Vulnerabilities > CVE-2020-10696 - Path Traversal vulnerability in multiple products
Attack vector
NETWORK Attack complexity
LOW Privileges required
NONE Confidentiality impact
HIGH Integrity impact
HIGH Availability impact
HIGH Summary
A path traversal flaw was found in Buildah in versions before 1.14.5. This flaw allows an attacker to trick a user into building a malicious container image hosted on an HTTP(s) server and then write files to the user's system anywhere that the user has permissions.
Vulnerable Configurations
Common Weakness Enumeration (CWE)
Common Attack Pattern Enumeration and Classification (CAPEC)
- Relative Path Traversal An attacker exploits a weakness in input validation on the target by supplying a specially constructed path utilizing dot and slash characters for the purpose of obtaining access to arbitrary files or resources. An attacker modifies a known path on the target in order to reach material that is not available through intended channels. These attacks normally involve adding additional path separators (/ or \) and/or dots (.), or encodings thereof, in various combinations in order to reach parent directories or entirely separate trees of the target's directory structure.
- Directory Traversal An attacker with access to file system resources, either directly or via application logic, will use various file path specification or navigation mechanisms such as ".." in path strings and absolute paths to extend their range of access to inappropriate areas of the file system. The attacker attempts to either explore the file system for recon purposes or access directories and files that are intended to be restricted from their access. Exploring the file system can be achieved through constructing paths presented to directory listing programs, such as "ls" and 'dir', or through specially crafted programs that attempt to explore the file system. The attacker engaging in this type of activity is searching for information that can be used later in a more exploitive attack. Access to restricted directories or files can be achieved through modification of path references utilized by system applications.
- File System Function Injection, Content Based An attack of this type exploits the host's trust in executing remote content including binary files. The files are poisoned with a malicious payload (targeting the file systems accessible by the target software) by the attacker and may be passed through standard channels such as via email, and standard web content like PDF and multimedia files. The attacker exploits known vulnerabilities or handling routines in the target processes. Vulnerabilities of this type have been found in a wide variety of commercial applications from Microsoft Office to Adobe Acrobat and Apple Safari web browser. When the attacker knows the standard handling routines and can identify vulnerabilities and entry points they can be exploited by otherwise seemingly normal content. Once the attack is executed, the attackers' program can access relative directories such as C:\Program Files or other standard system directories to launch further attacks. In a worst case scenario, these programs are combined with other propagation logic and work as a virus.
- Using Slashes and URL Encoding Combined to Bypass Validation Logic This attack targets the encoding of the URL combined with the encoding of the slash characters. An attacker can take advantage of the multiple way of encoding an URL and abuse the interpretation of the URL. An URL may contain special character that need special syntax handling in order to be interpreted. Special characters are represented using a percentage character followed by two digits representing the octet code of the original character (%HEX-CODE). For instance US-ASCII space character would be represented with %20. This is often referred as escaped ending or percent-encoding. Since the server decodes the URL from the requests, it may restrict the access to some URL paths by validating and filtering out the URL requests it received. An attacker will try to craft an URL with a sequence of special characters which once interpreted by the server will be equivalent to a forbidden URL. It can be difficult to protect against this attack since the URL can contain other format of encoding such as UTF-8 encoding, Unicode-encoding, etc.
- Manipulating Input to File System Calls An attacker manipulates inputs to the target software which the target software passes to file system calls in the OS. The goal is to gain access to, and perhaps modify, areas of the file system that the target software did not intend to be accessible.
Nessus
NASL family Red Hat Local Security Checks NASL id REDHAT-RHSA-2020-1926.NASL description The remote Redhat Enterprise Linux 8 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2020:1926 advisory. - buildah: Crafted input tar file may lead to local file overwrite during image build process (CVE-2020-10696) Note that Nessus has not tested for this issue but has instead relied only on the application last seen 2020-05-21 modified 2020-04-29 plugin id 136064 published 2020-04-29 reporter This script is Copyright (C) 2020 and is owned by Tenable, Inc. or an Affiliate thereof. source https://www.tenable.com/plugins/nessus/136064 title RHEL 8 : container-tools:1.0 (RHSA-2020:1926) code # # (C) Tenable Network Security, Inc. # # The descriptive text and package checks in this plugin were # extracted from Red Hat Security Advisory RHSA-2020:1926. The text # itself is copyright (C) Red Hat, Inc. # include('compat.inc'); if (description) { script_id(136064); script_version("1.3"); script_set_attribute(attribute:"plugin_modification_date", value:"2020/05/20"); script_cve_id("CVE-2020-10696"); script_xref(name:"RHSA", value:"2020:1926"); script_name(english:"RHEL 8 : container-tools:1.0 (RHSA-2020:1926)"); script_summary(english:"Checks the rpm output for the updated packages"); script_set_attribute(attribute:"synopsis", value: "The remote Red Hat host is missing a security update."); script_set_attribute(attribute:"description", value: "The remote Redhat Enterprise Linux 8 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2020:1926 advisory. - buildah: Crafted input tar file may lead to local file overwrite during image build process (CVE-2020-10696) Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number."); script_set_attribute(attribute:"see_also", value:"https://cwe.mitre.org/data/definitions/22.html"); script_set_attribute(attribute:"see_also", value:"https://access.redhat.com/errata/RHSA-2020:1926"); script_set_attribute(attribute:"see_also", value:"https://access.redhat.com/security/cve/CVE-2020-10696"); script_set_attribute(attribute:"see_also", value:"https://bugzilla.redhat.com/1817651"); script_set_attribute(attribute:"solution", value: "Update the affected packages."); script_set_cvss_base_vector("CVSS2#AV:N/AC:M/Au:N/C:C/I:C/A:C"); script_set_cvss_temporal_vector("CVSS2#E:U/RL:OF/RC:C"); script_set_cvss3_base_vector("CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H"); script_set_cvss3_temporal_vector("CVSS:3.0/E:U/RL:O/RC:C"); script_set_attribute(attribute:"cvss_score_source", value:"CVE-2020-10696"); script_set_attribute(attribute:"exploitability_ease", value:"No known exploits are available"); script_cwe_id(22); script_set_attribute(attribute:"vuln_publication_date", value:"2020/03/31"); script_set_attribute(attribute:"patch_publication_date", value:"2020/04/28"); script_set_attribute(attribute:"plugin_publication_date", value:"2020/04/29"); script_set_attribute(attribute:"plugin_type", value:"local"); script_set_attribute(attribute:"cpe", value:"cpe:/a:redhat:enterprise_linux:8"); script_set_attribute(attribute:"cpe", value:"cpe:/a:redhat:enterprise_linux:8::appstream"); script_set_attribute(attribute:"cpe", value:"cpe:/o:redhat:enterprise_linux:8"); script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:buildah"); script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:buildah-debugsource"); script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:container-selinux"); script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:containernetworking-plugins"); script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:containernetworking-plugins-debugsource"); script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:containers-common"); script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:crit"); script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:criu"); script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:criu-debugsource"); script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:fuse-overlayfs"); script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:fuse-overlayfs-debugsource"); script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:oci-systemd-hook"); script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:oci-systemd-hook-debugsource"); script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:oci-umount"); script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:oci-umount-debugsource"); script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:podman"); script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:podman-debugsource"); script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:podman-docker"); script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:python3-criu"); script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:runc"); script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:runc-debugsource"); script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:skopeo"); script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:skopeo-debugsource"); script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:slirp4netns"); script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:slirp4netns-debugsource"); script_end_attributes(); script_category(ACT_GATHER_INFO); script_family(english:"Red Hat Local Security Checks"); script_copyright(english:"This script is Copyright (C) 2020 and is owned by Tenable, Inc. or an Affiliate thereof."); script_dependencies("ssh_get_info.nasl"); script_require_keys("Host/local_checks_enabled", "Host/RedHat/release", "Host/RedHat/rpm-list", "Host/cpu"); exit(0); } include('audit.inc'); include('global_settings.inc'); include('misc_func.inc'); include('rpm.inc'); if (!get_kb_item('Host/local_checks_enabled')) audit(AUDIT_LOCAL_CHECKS_NOT_ENABLED); release = get_kb_item('Host/RedHat/release'); if (isnull(release) || 'Red Hat' >!< release) audit(AUDIT_OS_NOT, 'Red Hat'); os_ver = pregmatch(pattern: "Red Hat Enterprise Linux.*release ([0-9]+(\.[0-9]+)?)", string:release); if (isnull(os_ver)) audit(AUDIT_UNKNOWN_APP_VER, 'Red Hat'); os_ver = os_ver[1]; if (! preg(pattern:"^8([^0-9]|$)", string:os_ver)) audit(AUDIT_OS_NOT, 'Red Hat 8.x', 'Red Hat ' + os_ver); if (!get_kb_item('Host/RedHat/rpm-list')) audit(AUDIT_PACKAGE_LIST_MISSING); cpu = get_kb_item('Host/cpu'); if (isnull(cpu)) audit(AUDIT_UNKNOWN_ARCH); if ('x86_64' >!< cpu && cpu !~ "^i[3-6]86$" && 's390' >!< cpu && 'aarch64' >!< cpu) audit(AUDIT_LOCAL_CHECKS_NOT_IMPLEMENTED, 'Red Hat', cpu); module_ver = get_kb_item('Host/RedHat/appstream/container-tools'); if (isnull(module_ver)) audit(AUDIT_PACKAGE_NOT_INSTALLED, 'Module container-tools:1.0'); if ('1.0' >!< module_ver) audit(AUDIT_PACKAGE_NOT_AFFECTED, 'Module container-tools:' + module_ver); appstreams = { 'container-tools:1.0': [ {'reference':'buildah-1.5-4.gite94b4f9.module+el8.2.0+6370+6fb6c8ca', 'cpu':'aarch64', 'release':'8'}, {'reference':'buildah-1.5-4.gite94b4f9.module+el8.2.0+6370+6fb6c8ca', 'cpu':'s390x', 'release':'8'}, {'reference':'buildah-1.5-4.gite94b4f9.module+el8.2.0+6370+6fb6c8ca', 'cpu':'x86_64', 'release':'8'}, {'reference':'buildah-debugsource-1.5-4.gite94b4f9.module+el8.2.0+6370+6fb6c8ca', 'cpu':'aarch64', 'release':'8'}, {'reference':'buildah-debugsource-1.5-4.gite94b4f9.module+el8.2.0+6370+6fb6c8ca', 'cpu':'s390x', 'release':'8'}, {'reference':'buildah-debugsource-1.5-4.gite94b4f9.module+el8.2.0+6370+6fb6c8ca', 'cpu':'x86_64', 'release':'8'}, {'reference':'container-selinux-2.124.0-1.gitf958d0c.module+el8.2.0+6370+6fb6c8ca', 'release':'8', 'epoch':'2'}, {'reference':'containernetworking-plugins-0.7.4-3.git9ebe139.module+el8.2.0+6370+6fb6c8ca', 'cpu':'aarch64', 'release':'8'}, {'reference':'containernetworking-plugins-0.7.4-3.git9ebe139.module+el8.2.0+6370+6fb6c8ca', 'cpu':'s390x', 'release':'8'}, {'reference':'containernetworking-plugins-0.7.4-3.git9ebe139.module+el8.2.0+6370+6fb6c8ca', 'cpu':'x86_64', 'release':'8'}, {'reference':'containernetworking-plugins-debugsource-0.7.4-3.git9ebe139.module+el8.2.0+6370+6fb6c8ca', 'cpu':'aarch64', 'release':'8'}, 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{'reference':'skopeo-debugsource-0.1.32-4.git1715c90.module+el8.2.0+6370+6fb6c8ca', 'cpu':'s390x', 'release':'8', 'epoch':'1'}, {'reference':'skopeo-debugsource-0.1.32-4.git1715c90.module+el8.2.0+6370+6fb6c8ca', 'cpu':'x86_64', 'release':'8', 'epoch':'1'}, {'reference':'slirp4netns-0.1-5.dev.gitc4e1bc5.module+el8.2.0+6370+6fb6c8ca', 'cpu':'aarch64', 'release':'8'}, {'reference':'slirp4netns-0.1-5.dev.gitc4e1bc5.module+el8.2.0+6370+6fb6c8ca', 'cpu':'s390x', 'release':'8'}, {'reference':'slirp4netns-0.1-5.dev.gitc4e1bc5.module+el8.2.0+6370+6fb6c8ca', 'cpu':'x86_64', 'release':'8'}, {'reference':'slirp4netns-debugsource-0.1-5.dev.gitc4e1bc5.module+el8.2.0+6370+6fb6c8ca', 'cpu':'aarch64', 'release':'8'}, {'reference':'slirp4netns-debugsource-0.1-5.dev.gitc4e1bc5.module+el8.2.0+6370+6fb6c8ca', 'cpu':'s390x', 'release':'8'}, {'reference':'slirp4netns-debugsource-0.1-5.dev.gitc4e1bc5.module+el8.2.0+6370+6fb6c8ca', 'cpu':'x86_64', 'release':'8'} ], }; flag = 0; appstreams_found = 0; foreach module (keys(appstreams)) { appstream = NULL; appstream_name = NULL; appstream_version = NULL; appstream_split = split(module, sep:':', keep:FALSE); if (!empty_or_null(appstream_split)) { appstream_name = appstream_split[0]; appstream_version = appstream_split[1]; appstream = get_kb_item('Host/RedHat/appstream/' + appstream_name); } if (!empty_or_null(appstream) && appstream_version == appstream || appstream_name == 'all') { appstreams_found++; foreach package_array ( appstreams[module] ) { reference = NULL; release = NULL; sp = NULL; cpu = NULL; el_string = NULL; rpm_spec_vers_cmp = NULL; epoch = NULL; if (!empty_or_null(package_array['reference'])) reference = package_array['reference']; if (!empty_or_null(package_array['release'])) release = 'RHEL' + package_array['release']; if (!empty_or_null(package_array['sp'])) sp = package_array['sp']; if (!empty_or_null(package_array['cpu'])) cpu = package_array['cpu']; if (!empty_or_null(package_array['el_string'])) el_string = package_array['el_string']; if (!empty_or_null(package_array['rpm_spec_vers_cmp'])) rpm_spec_vers_cmp = package_array['rpm_spec_vers_cmp']; if (!empty_or_null(package_array['epoch'])) epoch = package_array['epoch']; if (reference && release) { if (rpm_check(release:release, sp:sp, cpu:cpu, reference:reference, epoch:epoch, el_string:el_string, rpm_spec_vers_cmp:rpm_spec_vers_cmp)) flag++; } } } } if (!appstreams_found) audit(AUDIT_PACKAGE_NOT_INSTALLED, 'Module container-tools:1.0'); if (flag) { security_report_v4( port : 0, severity : SECURITY_HOLE, extra : rpm_report_get() + redhat_report_package_caveat() ); exit(0); } else { tested = pkg_tests_get(); if (tested) audit(AUDIT_PACKAGE_NOT_AFFECTED, tested); else audit(AUDIT_PACKAGE_NOT_INSTALLED, 'buildah / buildah-debugsource / container-selinux / etc'); }NASL family Red Hat Local Security Checks NASL id REDHAT-RHSA-2020-1401.NASL description The remote Redhat Enterprise Linux 8 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2020:1401 advisory. - buildah: crafted input tar file may lead to local file overwriting during image build process (CVE-2020-10696) Note that Nessus has not tested for this issue but has instead relied only on the application last seen 2020-04-23 modified 2020-04-14 plugin id 135414 published 2020-04-14 reporter This script is Copyright (C) 2020 and is owned by Tenable, Inc. or an Affiliate thereof. source https://www.tenable.com/plugins/nessus/135414 title RHEL 8 : OpenShift Container Platform 4.2.28 (RHSA-2020:1401) code # # (C) Tenable Network Security, Inc. # # The descriptive text and package checks in this plugin were # extracted from Red Hat Security Advisory RHSA-2020:1401. The text # itself is copyright (C) Red Hat, Inc. # include('compat.inc'); if (description) { script_id(135414); script_version("1.2"); script_set_attribute(attribute:"plugin_modification_date", value:"2020/04/21"); script_cve_id("CVE-2020-10696"); script_xref(name:"RHSA", value:"2020:1401"); script_name(english:"RHEL 8 : OpenShift Container Platform 4.2.28 (RHSA-2020:1401)"); script_summary(english:"Checks the rpm output for the updated packages"); script_set_attribute(attribute:"synopsis", value: "The remote Red Hat host is missing a security update."); script_set_attribute(attribute:"description", value: "The remote Redhat Enterprise Linux 8 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2020:1401 advisory. - buildah: crafted input tar file may lead to local file overwriting during image build process (CVE-2020-10696) Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number."); script_set_attribute(attribute:"see_also", value:"https://cwe.mitre.org/data/definitions/22.html"); script_set_attribute(attribute:"see_also", value:"https://access.redhat.com/errata/RHSA-2020:1401"); script_set_attribute(attribute:"see_also", value:"https://access.redhat.com/security/cve/CVE-2020-10696"); script_set_attribute(attribute:"solution", value: "Update the affected packages."); script_set_cvss_base_vector("CVSS2#AV:N/AC:M/Au:N/C:C/I:C/A:C"); script_set_cvss_temporal_vector("CVSS2#E:U/RL:OF/RC:C"); script_set_cvss3_base_vector("CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H"); script_set_cvss3_temporal_vector("CVSS:3.0/E:U/RL:O/RC:C"); script_set_attribute(attribute:"cvss_score_source", value:"CVE-2020-10696"); script_set_attribute(attribute:"exploitability_ease", value:"No known exploits are available"); script_cwe_id(22); script_set_attribute(attribute:"vuln_publication_date", value:"2020/03/31"); script_set_attribute(attribute:"patch_publication_date", value:"2020/04/14"); script_set_attribute(attribute:"plugin_publication_date", value:"2020/04/14"); script_set_attribute(attribute:"plugin_type", value:"local"); script_set_attribute(attribute:"cpe", value:"cpe:/a:redhat:openshift:4.2"); script_set_attribute(attribute:"cpe", value:"cpe:/a:redhat:openshift:4.2::el8"); script_set_attribute(attribute:"cpe", value:"cpe:/o:redhat:enterprise_linux:8"); script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:podman"); script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:podman-debugsource"); script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:podman-docker"); script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:podman-manpages"); script_end_attributes(); script_category(ACT_GATHER_INFO); script_family(english:"Red Hat Local Security Checks"); script_copyright(english:"This script is Copyright (C) 2020 and is owned by Tenable, Inc. or an Affiliate thereof."); script_dependencies("ssh_get_info.nasl"); script_require_keys("Host/local_checks_enabled", "Host/RedHat/release", "Host/RedHat/rpm-list", "Host/cpu"); exit(0); } include('audit.inc'); include('global_settings.inc'); include('misc_func.inc'); include('rpm.inc'); if (!get_kb_item('Host/local_checks_enabled')) audit(AUDIT_LOCAL_CHECKS_NOT_ENABLED); release = get_kb_item('Host/RedHat/release'); if (isnull(release) || 'Red Hat' >!< release) audit(AUDIT_OS_NOT, 'Red Hat'); os_ver = pregmatch(pattern: "Red Hat Enterprise Linux.*release ([0-9]+(\.[0-9]+)?)", string:release); if (isnull(os_ver)) audit(AUDIT_UNKNOWN_APP_VER, 'Red Hat'); os_ver = os_ver[1]; if (! preg(pattern:"^8([^0-9]|$)", string:os_ver)) audit(AUDIT_OS_NOT, 'Red Hat 8.x', 'Red Hat ' + os_ver); if (!get_kb_item('Host/RedHat/rpm-list')) audit(AUDIT_PACKAGE_LIST_MISSING); cpu = get_kb_item('Host/cpu'); if (isnull(cpu)) audit(AUDIT_UNKNOWN_ARCH); if ('x86_64' >!< cpu && cpu !~ "^i[3-6]86$" && 's390' >!< cpu && 'aarch64' >!< cpu) audit(AUDIT_LOCAL_CHECKS_NOT_IMPLEMENTED, 'Red Hat', cpu); pkgs = [ {'reference':'podman-1.4.2-6.rhaos4.2.el8', 'cpu':'s390x', 'release':'8'}, {'reference':'podman-1.4.2-6.rhaos4.2.el8', 'cpu':'x86_64', 'release':'8'}, {'reference':'podman-debugsource-1.4.2-6.rhaos4.2.el8', 'cpu':'s390x', 'release':'8'}, {'reference':'podman-debugsource-1.4.2-6.rhaos4.2.el8', 'cpu':'x86_64', 'release':'8'}, {'reference':'podman-docker-1.4.2-6.rhaos4.2.el8', 'release':'8'}, {'reference':'podman-manpages-1.4.2-6.rhaos4.2.el8', 'release':'8'} ]; flag = 0; foreach package_array ( pkgs ) { reference = NULL; release = NULL; sp = NULL; cpu = NULL; el_string = NULL; rpm_spec_vers_cmp = NULL; epoch = NULL; if (!empty_or_null(package_array['reference'])) reference = package_array['reference']; if (!empty_or_null(package_array['release'])) release = 'RHEL' + package_array['release']; if (!empty_or_null(package_array['sp'])) sp = package_array['sp']; if (!empty_or_null(package_array['cpu'])) cpu = package_array['cpu']; if (!empty_or_null(package_array['el_string'])) el_string = package_array['el_string']; if (!empty_or_null(package_array['rpm_spec_vers_cmp'])) rpm_spec_vers_cmp = package_array['rpm_spec_vers_cmp']; if (!empty_or_null(package_array['epoch'])) epoch = package_array['epoch']; if (reference && release) { if (rpm_spec_vers_cmp) { if (rpm_check(release:release, sp:sp, cpu:cpu, reference:reference, epoch:epoch, el_string:el_string, rpm_spec_vers_cmp:TRUE)) flag++; } else { if (rpm_check(release:release, sp:sp, cpu:cpu, reference:reference, epoch:epoch)) flag++; } } } if (flag) { security_report_v4( port : 0, severity : SECURITY_HOLE, extra : rpm_report_get() + redhat_report_package_caveat() ); exit(0); } else { tested = pkg_tests_get(); if (tested) audit(AUDIT_PACKAGE_NOT_AFFECTED, tested); else audit(AUDIT_PACKAGE_NOT_INSTALLED, 'podman / podman-debugsource / podman-docker / etc'); }NASL family Oracle Linux Local Security Checks NASL id ORACLELINUX_ELSA-2020-1931.NASL description From Red Hat Security Advisory 2020:1931 : The remote Redhat Enterprise Linux 8 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2020:1931 advisory. - buildah: Crafted input tar file may lead to local file overwrite during image build process (CVE-2020-10696) Note that Nessus has not tested for this issue but has instead relied only on the application last seen 2020-06-06 modified 2020-05-14 plugin id 136597 published 2020-05-14 reporter This script is Copyright (C) 2020 and is owned by Tenable, Inc. or an Affiliate thereof. source https://www.tenable.com/plugins/nessus/136597 title Oracle Linux 8 : container-tools:2.0 (ELSA-2020-1931) code # # (C) Tenable Network Security, Inc. # # The descriptive text and package checks in this plugin were # extracted from Red Hat Security Advisory RHSA-2020:1931 and # Oracle Linux Security Advisory ELSA-2020-1931 respectively. # include("compat.inc"); if (description) { script_id(136597); script_version("1.3"); script_set_attribute(attribute:"plugin_modification_date", value:"2020/06/05"); script_cve_id("CVE-2020-10696"); script_xref(name:"RHSA", value:"2020:1931"); script_name(english:"Oracle Linux 8 : container-tools:2.0 (ELSA-2020-1931)"); script_summary(english:"Checks rpm output for the updated packages"); script_set_attribute( attribute:"synopsis", value:"The remote Oracle Linux host is missing one or more security updates." ); script_set_attribute( attribute:"description", value: "From Red Hat Security Advisory 2020:1931 : The remote Redhat Enterprise Linux 8 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2020:1931 advisory. - buildah: Crafted input tar file may lead to local file overwrite during image build process (CVE-2020-10696) Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number." ); script_set_attribute( attribute:"see_also", value:"https://oss.oracle.com/pipermail/el-errata/2020-May/009915.html" ); script_set_attribute( attribute:"solution", value:"Update the affected container-tools:2.0 packages." ); script_set_cvss_base_vector("CVSS2#AV:N/AC:M/Au:N/C:C/I:C/A:C"); script_set_cvss_temporal_vector("CVSS2#E:U/RL:OF/RC:C"); script_set_cvss3_base_vector("CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H"); script_set_cvss3_temporal_vector("CVSS:3.0/E:U/RL:O/RC:C"); script_set_attribute(attribute:"exploitability_ease", value:"No known exploits are available"); script_set_attribute(attribute:"plugin_type", value:"local"); script_set_attribute(attribute:"cpe", value:"p-cpe:/a:oracle:linux:buildah"); script_set_attribute(attribute:"cpe", value:"p-cpe:/a:oracle:linux:buildah-tests"); script_set_attribute(attribute:"cpe", value:"p-cpe:/a:oracle:linux:cockpit-podman"); script_set_attribute(attribute:"cpe", value:"p-cpe:/a:oracle:linux:conmon"); script_set_attribute(attribute:"cpe", value:"p-cpe:/a:oracle:linux:container-selinux"); script_set_attribute(attribute:"cpe", value:"p-cpe:/a:oracle:linux:containernetworking-plugins"); script_set_attribute(attribute:"cpe", value:"p-cpe:/a:oracle:linux:containers-common"); script_set_attribute(attribute:"cpe", value:"p-cpe:/a:oracle:linux:crit"); script_set_attribute(attribute:"cpe", value:"p-cpe:/a:oracle:linux:criu"); script_set_attribute(attribute:"cpe", value:"p-cpe:/a:oracle:linux:fuse-overlayfs"); script_set_attribute(attribute:"cpe", value:"p-cpe:/a:oracle:linux:podman"); script_set_attribute(attribute:"cpe", value:"p-cpe:/a:oracle:linux:podman-docker"); script_set_attribute(attribute:"cpe", value:"p-cpe:/a:oracle:linux:podman-remote"); script_set_attribute(attribute:"cpe", value:"p-cpe:/a:oracle:linux:podman-tests"); script_set_attribute(attribute:"cpe", value:"p-cpe:/a:oracle:linux:python-podman-api"); script_set_attribute(attribute:"cpe", value:"p-cpe:/a:oracle:linux:python3-criu"); script_set_attribute(attribute:"cpe", value:"p-cpe:/a:oracle:linux:runc"); script_set_attribute(attribute:"cpe", value:"p-cpe:/a:oracle:linux:skopeo"); script_set_attribute(attribute:"cpe", value:"p-cpe:/a:oracle:linux:skopeo-tests"); script_set_attribute(attribute:"cpe", value:"p-cpe:/a:oracle:linux:slirp4netns"); script_set_attribute(attribute:"cpe", value:"p-cpe:/a:oracle:linux:udica"); script_set_attribute(attribute:"cpe", value:"cpe:/o:oracle:linux:8"); script_set_attribute(attribute:"vuln_publication_date", value:"2020/03/31"); script_set_attribute(attribute:"patch_publication_date", value:"2020/05/13"); script_set_attribute(attribute:"plugin_publication_date", value:"2020/05/14"); script_set_attribute(attribute:"generated_plugin", value:"current"); script_end_attributes(); script_category(ACT_GATHER_INFO); script_copyright(english:"This script is Copyright (C) 2020 and is owned by Tenable, Inc. or an Affiliate thereof."); script_family(english:"Oracle Linux Local Security Checks"); script_dependencies("ssh_get_info.nasl"); script_require_keys("Host/local_checks_enabled", "Host/OracleLinux", "Host/RedHat/release", "Host/RedHat/rpm-list"); exit(0); } include("audit.inc"); include("global_settings.inc"); include("rpm.inc"); if (!get_kb_item("Host/local_checks_enabled")) audit(AUDIT_LOCAL_CHECKS_NOT_ENABLED); if (!get_kb_item("Host/OracleLinux")) audit(AUDIT_OS_NOT, "Oracle Linux"); release = get_kb_item("Host/RedHat/release"); if (isnull(release) || !pregmatch(pattern: "Oracle (?:Linux Server|Enterprise Linux)", string:release)) audit(AUDIT_OS_NOT, "Oracle Linux"); os_ver = pregmatch(pattern: "Oracle (?:Linux Server|Enterprise Linux) .*release ([0-9]+(\.[0-9]+)?)", string:release); if (isnull(os_ver)) audit(AUDIT_UNKNOWN_APP_VER, "Oracle Linux"); os_ver = os_ver[1]; if (! preg(pattern:"^8([^0-9]|$)", string:os_ver)) audit(AUDIT_OS_NOT, "Oracle Linux 8", "Oracle Linux " + os_ver); if (!get_kb_item("Host/RedHat/rpm-list")) audit(AUDIT_PACKAGE_LIST_MISSING); cpu = get_kb_item("Host/cpu"); if (isnull(cpu)) audit(AUDIT_UNKNOWN_ARCH); if ("x86_64" >!< cpu && cpu !~ "^i[3-6]86$") audit(AUDIT_LOCAL_CHECKS_NOT_IMPLEMENTED, "Oracle Linux", cpu); if ("x86_64" >!< cpu) audit(AUDIT_ARCH_NOT, "x86_64", cpu); flag = 0; if (rpm_check(release:"EL8", cpu:"x86_64", reference:"buildah-1.11.6-7.0.1.module+el8.2.0+7618+3a616245")) flag++; if (rpm_check(release:"EL8", cpu:"x86_64", reference:"buildah-tests-1.11.6-7.0.1.module+el8.2.0+7618+3a616245")) flag++; if (rpm_check(release:"EL8", cpu:"x86_64", reference:"cockpit-podman-11-1.module+el8.2.0+7618+3a616245")) flag++; if (rpm_check(release:"EL8", cpu:"x86_64", reference:"conmon-2.0.6-1.0.1.module+el8.2.0+7618+3a616245")) flag++; if (rpm_check(release:"EL8", cpu:"x86_64", reference:"container-selinux-2.124.0-1.module+el8.2.0+7618+3a616245")) flag++; if (rpm_check(release:"EL8", cpu:"x86_64", reference:"containernetworking-plugins-0.8.3-4.0.1.module+el8.2.0+7618+3a616245")) flag++; if (rpm_check(release:"EL8", cpu:"x86_64", reference:"containers-common-0.1.40-9.0.1.module+el8.2.0+7618+3a616245")) flag++; if (rpm_check(release:"EL8", cpu:"x86_64", reference:"crit-3.12-9.module+el8.2.0+7618+3a616245")) flag++; if (rpm_check(release:"EL8", cpu:"x86_64", reference:"criu-3.12-9.module+el8.2.0+7618+3a616245")) flag++; if (rpm_check(release:"EL8", cpu:"x86_64", reference:"fuse-overlayfs-0.7.2-5.module+el8.2.0+7618+3a616245")) flag++; if (rpm_check(release:"EL8", cpu:"x86_64", reference:"podman-1.6.4-11.0.1.module+el8.2.0+7618+3a616245")) flag++; if (rpm_check(release:"EL8", cpu:"x86_64", reference:"podman-docker-1.6.4-11.0.1.module+el8.2.0+7618+3a616245")) flag++; if (rpm_check(release:"EL8", cpu:"x86_64", reference:"podman-remote-1.6.4-11.0.1.module+el8.2.0+7618+3a616245")) flag++; if (rpm_check(release:"EL8", cpu:"x86_64", reference:"podman-tests-1.6.4-11.0.1.module+el8.2.0+7618+3a616245")) flag++; if (rpm_check(release:"EL8", cpu:"x86_64", reference:"python-podman-api-1.2.0-0.2.gitd0a45fe.module+el8.2.0+7618+3a616245")) flag++; if (rpm_check(release:"EL8", cpu:"x86_64", reference:"python3-criu-3.12-9.module+el8.2.0+7618+3a616245")) flag++; if (rpm_check(release:"EL8", cpu:"x86_64", reference:"runc-1.0.0-64.rc10.module+el8.2.0+7618+3a616245")) flag++; if (rpm_check(release:"EL8", cpu:"x86_64", reference:"skopeo-0.1.40-9.0.1.module+el8.2.0+7618+3a616245")) flag++; if (rpm_check(release:"EL8", cpu:"x86_64", reference:"skopeo-tests-0.1.40-9.0.1.module+el8.2.0+7618+3a616245")) flag++; if (rpm_check(release:"EL8", cpu:"x86_64", reference:"slirp4netns-0.4.2-3.git21fdece.module+el8.2.0+7618+3a616245")) flag++; if (rpm_check(release:"EL8", cpu:"x86_64", reference:"udica-0.2.1-2.module+el8.2.0+7618+3a616245")) flag++; if (flag) { if (report_verbosity > 0) security_hole(port:0, extra:rpm_report_get()); else security_hole(0); exit(0); } else { tested = pkg_tests_get(); if (tested) audit(AUDIT_PACKAGE_NOT_AFFECTED, tested); else audit(AUDIT_PACKAGE_NOT_INSTALLED, "buildah / buildah-tests / cockpit-podman / conmon / etc"); }NASL family Red Hat Local Security Checks NASL id REDHAT-RHSA-2020-1449.NASL description The remote Redhat Enterprise Linux 8 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2020:1449 advisory. - buildah: Crafted input tar file may lead to local file overwrite during image build process (CVE-2020-10696) Note that Nessus has not tested for this issue but has instead relied only on the application last seen 2020-04-30 modified 2020-04-22 plugin id 135912 published 2020-04-22 reporter This script is Copyright (C) 2020 and is owned by Tenable, Inc. or an Affiliate thereof. source https://www.tenable.com/plugins/nessus/135912 title RHEL 8 : OpenShift Container Platform 4.1.41 (RHSA-2020:1449) NASL family Oracle Linux Local Security Checks NASL id ORACLELINUX_ELSA-2020-1926.NASL description From Red Hat Security Advisory 2020:1926 : The remote Redhat Enterprise Linux 8 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2020:1926 advisory. - buildah: Crafted input tar file may lead to local file overwrite during image build process (CVE-2020-10696) Note that Nessus has not tested for this issue but has instead relied only on the application last seen 2020-06-06 modified 2020-05-15 plugin id 136644 published 2020-05-15 reporter This script is Copyright (C) 2020 and is owned by Tenable, Inc. or an Affiliate thereof. source https://www.tenable.com/plugins/nessus/136644 title Oracle Linux 8 : container-tools:1.0 (ELSA-2020-1926) NASL family Red Hat Local Security Checks NASL id REDHAT-RHSA-2020-2116.NASL description The remote Redhat Enterprise Linux 7 host has a package installed that is affected by multiple vulnerabilities as referenced in the RHSA-2020:2116 advisory. - buildah: Crafted input tar file may lead to local file overwrite during image build process (CVE-2020-10696) - containers/image: Container images read entire image manifest into memory (CVE-2020-1702) Note that Nessus has not tested for this issue but has instead relied only on the application last seen 2020-05-15 modified 2020-05-12 plugin id 136521 published 2020-05-12 reporter This script is Copyright (C) 2020 and is owned by Tenable, Inc. or an Affiliate thereof. source https://www.tenable.com/plugins/nessus/136521 title RHEL 7 : buildah (RHSA-2020:2116) NASL family Oracle Linux Local Security Checks NASL id ORACLELINUX_ELSA-2020-1932.NASL description From Red Hat Security Advisory 2020:1932 : The remote Redhat Enterprise Linux 8 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2020:1932 advisory. - buildah: Crafted input tar file may lead to local file overwrite during image build process (CVE-2020-10696) Note that Nessus has not tested for this issue but has instead relied only on the application last seen 2020-06-06 modified 2020-05-14 plugin id 136598 published 2020-05-14 reporter This script is Copyright (C) 2020 and is owned by Tenable, Inc. or an Affiliate thereof. source https://www.tenable.com/plugins/nessus/136598 title Oracle Linux 8 : container-tools:ol8 (ELSA-2020-1932) NASL family Red Hat Local Security Checks NASL id REDHAT-RHSA-2020-2117.NASL description The remote Redhat Enterprise Linux 7 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2020:2117 advisory. - buildah: Crafted input tar file may lead to local file overwrite during image build process (CVE-2020-10696) - proglottis/gpgme: Use-after-free in GPGME bindings during container image pull (CVE-2020-8945) Note that Nessus has not tested for this issue but has instead relied only on the application last seen 2020-05-15 modified 2020-05-12 plugin id 136522 published 2020-05-12 reporter This script is Copyright (C) 2020 and is owned by Tenable, Inc. or an Affiliate thereof. source https://www.tenable.com/plugins/nessus/136522 title RHEL 7 : podman (RHSA-2020:2117) NASL family Red Hat Local Security Checks NASL id REDHAT-RHSA-2020-1932.NASL description The remote Redhat Enterprise Linux 8 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2020:1932 advisory. - buildah: Crafted input tar file may lead to local file overwrite during image build process (CVE-2020-10696) Note that Nessus has not tested for this issue but has instead relied only on the application last seen 2020-05-21 modified 2020-04-29 plugin id 136063 published 2020-04-29 reporter This script is Copyright (C) 2020 and is owned by Tenable, Inc. or an Affiliate thereof. source https://www.tenable.com/plugins/nessus/136063 title RHEL 8 : container-tools:rhel8 (RHSA-2020:1932) NASL family Red Hat Local Security Checks NASL id REDHAT-RHSA-2020-1931.NASL description The remote Redhat Enterprise Linux 8 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2020:1931 advisory. - buildah: Crafted input tar file may lead to local file overwrite during image build process (CVE-2020-10696) Note that Nessus has not tested for this issue but has instead relied only on the application last seen 2020-05-21 modified 2020-04-29 plugin id 136061 published 2020-04-29 reporter This script is Copyright (C) 2020 and is owned by Tenable, Inc. or an Affiliate thereof. source https://www.tenable.com/plugins/nessus/136061 title RHEL 8 : container-tools:2.0 (RHSA-2020:1931)
Redhat
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References
- https://access.redhat.com/security/cve/cve-2020-10696
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2020-10696
- https://github.com/containers/buildah/pull/2245
- https://access.redhat.com/security/cve/cve-2020-10696
- https://github.com/containers/buildah/pull/2245
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2020-10696