Vulnerabilities > CVE-2019-3817 - Use After Free vulnerability in RPM Libcomps
Attack vector
NETWORK Attack complexity
LOW Privileges required
NONE Confidentiality impact
HIGH Integrity impact
HIGH Availability impact
HIGH Summary
A use-after-free flaw has been discovered in libcomps before version 0.1.10 in the way ObjMRTrees are merged. An attacker, who is able to make an application read a crafted comps XML file, may be able to crash the application or execute malicious code.
Vulnerable Configurations
| Part | Description | Count |
|---|---|---|
| Application | 10 |
Common Weakness Enumeration (CWE)
Nessus
NASL family Huawei Local Security Checks NASL id EULEROS_SA-2020-1293.NASL description According to the versions of the libcomps packages installed, the EulerOS installation on the remote host is affected by the following vulnerabilities : - A use-after-free flaw has been discovered in libcomps before version 0.1.10 in the way ObjMRTrees are merged. An attacker, who is able to make an application read a crafted comps XML file, may be able to crash the application or execute malicious code.(CVE-2019-3817) - libseccomp before 2.4.0 did not correctly generate 64-bit syscall argument comparisons using the arithmetic operators (LT, GT, LE, GE), which might able to lead to bypassing seccomp filters and potential privilege escalations.(CVE-2019-9893) Note that Tenable Network Security has extracted the preceding description block directly from the EulerOS security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues. last seen 2020-05-03 modified 2020-03-23 plugin id 134785 published 2020-03-23 reporter This script is Copyright (C) 2020 and is owned by Tenable, Inc. or an Affiliate thereof. source https://www.tenable.com/plugins/nessus/134785 title EulerOS 2.0 SP8 : libcomps (EulerOS-SA-2020-1293) code # # (C) Tenable Network Security, Inc. # include("compat.inc"); if (description) { script_id(134785); script_version("1.3"); script_set_attribute(attribute:"plugin_modification_date", value:"2020/05/01"); script_cve_id( "CVE-2019-3817", "CVE-2019-9893" ); script_name(english:"EulerOS 2.0 SP8 : libcomps (EulerOS-SA-2020-1293)"); script_summary(english:"Checks the rpm output for the updated packages."); script_set_attribute(attribute:"synopsis", value: "The remote EulerOS host is missing multiple security updates."); script_set_attribute(attribute:"description", value: "According to the versions of the libcomps packages installed, the EulerOS installation on the remote host is affected by the following vulnerabilities : - A use-after-free flaw has been discovered in libcomps before version 0.1.10 in the way ObjMRTrees are merged. An attacker, who is able to make an application read a crafted comps XML file, may be able to crash the application or execute malicious code.(CVE-2019-3817) - libseccomp before 2.4.0 did not correctly generate 64-bit syscall argument comparisons using the arithmetic operators (LT, GT, LE, GE), which might able to lead to bypassing seccomp filters and potential privilege escalations.(CVE-2019-9893) Note that Tenable Network Security has extracted the preceding description block directly from the EulerOS security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues."); # https://developer.huaweicloud.com/ict/en/site-euleros/euleros/security-advisories/EulerOS-SA-2020-1293 script_set_attribute(attribute:"see_also", value:"http://www.nessus.org/u?b1f2522c"); script_set_attribute(attribute:"solution", value: "Update the affected libcomps packages."); script_set_cvss_base_vector("CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:P"); 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:N/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:"patch_publication_date", value:"2020/03/23"); script_set_attribute(attribute:"plugin_publication_date", value:"2020/03/23"); script_set_attribute(attribute:"plugin_type", value:"local"); script_set_attribute(attribute:"cpe", value:"p-cpe:/a:huawei:euleros:libcomps"); script_set_attribute(attribute:"cpe", value:"p-cpe:/a:huawei:euleros:libcomps-devel"); script_set_attribute(attribute:"cpe", value:"p-cpe:/a:huawei:euleros:python2-libcomps"); script_set_attribute(attribute:"cpe", value:"p-cpe:/a:huawei:euleros:python3-libcomps"); script_set_attribute(attribute:"cpe", value:"cpe:/o:huawei:euleros:2.0"); script_set_attribute(attribute:"generated_plugin", value:"current"); script_end_attributes(); script_category(ACT_GATHER_INFO); script_family(english:"Huawei 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/EulerOS/release", "Host/EulerOS/rpm-list", "Host/EulerOS/sp"); script_exclude_keys("Host/EulerOS/uvp_version"); 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); release = get_kb_item("Host/EulerOS/release"); if (isnull(release) || release !~ "^EulerOS") audit(AUDIT_OS_NOT, "EulerOS"); if (release !~ "^EulerOS release 2\.0(\D|$)") audit(AUDIT_OS_NOT, "EulerOS 2.0"); sp = get_kb_item("Host/EulerOS/sp"); if (isnull(sp) || sp !~ "^(8)$") audit(AUDIT_OS_NOT, "EulerOS 2.0 SP8"); uvp = get_kb_item("Host/EulerOS/uvp_version"); if (!empty_or_null(uvp)) audit(AUDIT_OS_NOT, "EulerOS 2.0 SP8", "EulerOS UVP " + uvp); if (!get_kb_item("Host/EulerOS/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$" && "aarch64" >!< cpu) audit(AUDIT_LOCAL_CHECKS_NOT_IMPLEMENTED, "EulerOS", cpu); if ("aarch64" >!< cpu) audit(AUDIT_ARCH_NOT, "aarch64", cpu); flag = 0; pkgs = ["libcomps-0.1.8-14.h1.eulerosv2r8", "libcomps-devel-0.1.8-14.h1.eulerosv2r8", "python2-libcomps-0.1.8-14.h1.eulerosv2r8", "python3-libcomps-0.1.8-14.h1.eulerosv2r8"]; foreach (pkg in pkgs) if (rpm_check(release:"EulerOS-2.0", sp:"8", reference:pkg)) flag++; if (flag) { security_report_v4( port : 0, severity : SECURITY_HOLE, extra : rpm_report_get() ); exit(0); } else { tested = pkg_tests_get(); if (tested) audit(AUDIT_PACKAGE_NOT_AFFECTED, tested); else audit(AUDIT_PACKAGE_NOT_INSTALLED, "libcomps"); }NASL family SuSE Local Security Checks NASL id OPENSUSE-2019-323.NASL description This update for libcomps fixes the following issue: 	 Security issue fixed : - CVE-2019-3817: Fixed a use-after-free vulnerability in comps_objmradix.c:comps_objmrtree_unite() function where could allow to application crash or code execution (bsc#1122841). last seen 2020-06-01 modified 2020-06-02 plugin id 122772 published 2019-03-12 reporter This script is Copyright (C) 2019-2020 and is owned by Tenable, Inc. or an Affiliate thereof. source https://www.tenable.com/plugins/nessus/122772 title openSUSE Security Update : libcomps (openSUSE-2019-323) code # # (C) Tenable Network Security, Inc. # # The descriptive text and package checks in this plugin were # extracted from openSUSE Security Update openSUSE-2019-323. # # The text description of this plugin is (C) SUSE LLC. # include("compat.inc"); if (description) { script_id(122772); script_version("1.3"); script_cvs_date("Date: 2020/02/05"); script_cve_id("CVE-2019-3817"); script_name(english:"openSUSE Security Update : libcomps (openSUSE-2019-323)"); script_summary(english:"Check for the openSUSE-2019-323 patch"); script_set_attribute( attribute:"synopsis", value:"The remote openSUSE host is missing a security update." ); script_set_attribute( attribute:"description", value: "This update for libcomps fixes the following issue: 	 Security issue fixed : - CVE-2019-3817: Fixed a use-after-free vulnerability in comps_objmradix.c:comps_objmrtree_unite() function where could allow to application crash or code execution (bsc#1122841)." ); script_set_attribute( attribute:"see_also", value:"https://bugzilla.opensuse.org/show_bug.cgi?id=1122841" ); script_set_attribute( attribute:"solution", value:"Update the affected libcomps packages." ); script_set_cvss_base_vector("CVSS2#AV:N/AC:M/Au:N/C:P/I:P/A:P"); 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:novell:opensuse:libcomps-debuginfo"); script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:opensuse:libcomps-debugsource"); script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:opensuse:libcomps-devel"); script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:opensuse:libcomps0_1_6"); script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:opensuse:libcomps0_1_6-debuginfo"); script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:opensuse:python2-libcomps"); script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:opensuse:python2-libcomps-debuginfo"); script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:opensuse:python3-libcomps"); script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:opensuse:python3-libcomps-debuginfo"); script_set_attribute(attribute:"cpe", value:"cpe:/o:novell:opensuse:15.0"); script_set_attribute(attribute:"vuln_publication_date", value:"2019/03/27"); script_set_attribute(attribute:"patch_publication_date", value:"2019/03/23"); script_set_attribute(attribute:"plugin_publication_date", value:"2019/03/12"); script_set_attribute(attribute:"generated_plugin", value:"current"); script_end_attributes(); script_category(ACT_GATHER_INFO); script_copyright(english:"This script is Copyright (C) 2019-2020 and is owned by Tenable, Inc. or an Affiliate thereof."); script_family(english:"SuSE Local Security Checks"); script_dependencies("ssh_get_info.nasl"); script_require_keys("Host/local_checks_enabled", "Host/SuSE/release", "Host/SuSE/rpm-list", "Host/cpu"); 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); release = get_kb_item("Host/SuSE/release"); if (isnull(release) || release =~ "^(SLED|SLES)") audit(AUDIT_OS_NOT, "openSUSE"); if (release !~ "^(SUSE15\.0)$") audit(AUDIT_OS_RELEASE_NOT, "openSUSE", "15.0", release); if (!get_kb_item("Host/SuSE/rpm-list")) audit(AUDIT_PACKAGE_LIST_MISSING); ourarch = get_kb_item("Host/cpu"); if (!ourarch) audit(AUDIT_UNKNOWN_ARCH); if (ourarch !~ "^(x86_64)$") audit(AUDIT_ARCH_NOT, "x86_64", ourarch); flag = 0; if ( rpm_check(release:"SUSE15.0", reference:"libcomps-debuginfo-0.1.8-lp150.2.3.1") ) flag++; if ( rpm_check(release:"SUSE15.0", reference:"libcomps-debugsource-0.1.8-lp150.2.3.1") ) flag++; if ( rpm_check(release:"SUSE15.0", reference:"libcomps-devel-0.1.8-lp150.2.3.1") ) flag++; if ( rpm_check(release:"SUSE15.0", reference:"libcomps0_1_6-0.1.8-lp150.2.3.1") ) flag++; if ( rpm_check(release:"SUSE15.0", reference:"libcomps0_1_6-debuginfo-0.1.8-lp150.2.3.1") ) flag++; if ( rpm_check(release:"SUSE15.0", reference:"python2-libcomps-0.1.8-lp150.2.3.1") ) flag++; if ( rpm_check(release:"SUSE15.0", reference:"python2-libcomps-debuginfo-0.1.8-lp150.2.3.1") ) flag++; if ( rpm_check(release:"SUSE15.0", reference:"python3-libcomps-0.1.8-lp150.2.3.1") ) flag++; if ( rpm_check(release:"SUSE15.0", reference:"python3-libcomps-debuginfo-0.1.8-lp150.2.3.1") ) flag++; if (flag) { if (report_verbosity > 0) security_warning(port:0, extra:rpm_report_get()); else security_warning(0); exit(0); } else { tested = pkg_tests_get(); if (tested) audit(AUDIT_PACKAGE_NOT_AFFECTED, tested); else audit(AUDIT_PACKAGE_NOT_INSTALLED, "libcomps-debuginfo / libcomps-debugsource / libcomps-devel / etc"); }NASL family Red Hat Local Security Checks NASL id REDHAT-RHSA-2019-3898.NASL description An update for libcomps is now available for Red Hat Enterprise Linux 7 Extras. Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section. Libcomps is library for structure-like manipulation with content of comps XML files. Supports read/write XML file, structure(s) modification. Security Fix(es) : * libcomps: use after free when merging two objmrtrees (CVE-2019-3817) For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section. last seen 2020-06-01 modified 2020-06-02 plugin id 131152 published 2019-11-20 reporter This script is Copyright (C) 2019 and is owned by Tenable, Inc. or an Affiliate thereof. source https://www.tenable.com/plugins/nessus/131152 title RHEL 7 : libcomps (RHSA-2019:3898) code # # (C) Tenable Network Security, Inc. # # The descriptive text and package checks in this plugin were # extracted from Red Hat Security Advisory RHSA-2019:3898. The text # itself is copyright (C) Red Hat, Inc. # include("compat.inc"); if (description) { script_id(131152); script_version("1.2"); script_cvs_date("Date: 2019/12/09"); script_cve_id("CVE-2019-3817"); script_xref(name:"RHSA", value:"2019:3898"); script_name(english:"RHEL 7 : libcomps (RHSA-2019:3898)"); script_summary(english:"Checks the rpm output for the updated packages"); script_set_attribute( attribute:"synopsis", value:"The remote Red Hat host is missing one or more security updates." ); script_set_attribute( attribute:"description", value: "An update for libcomps is now available for Red Hat Enterprise Linux 7 Extras. Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section. Libcomps is library for structure-like manipulation with content of comps XML files. Supports read/write XML file, structure(s) modification. Security Fix(es) : * libcomps: use after free when merging two objmrtrees (CVE-2019-3817) For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section." ); script_set_attribute( attribute:"see_also", value:"https://access.redhat.com/errata/RHSA-2019:3898" ); script_set_attribute( attribute:"see_also", value:"https://access.redhat.com/security/cve/cve-2019-3817" ); script_set_attribute(attribute:"solution", value:"Update the affected packages."); script_set_cvss_base_vector("CVSS2#AV:N/AC:M/Au:N/C:P/I:P/A:P"); 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:redhat:enterprise_linux:libcomps"); script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:libcomps-debuginfo"); script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:libcomps-devel"); script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:libcomps-doc"); script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:python-libcomps-doc"); script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:python2-libcomps"); script_set_attribute(attribute:"cpe", value:"cpe:/o:redhat:enterprise_linux:7"); script_set_attribute(attribute:"vuln_publication_date", value:"2019/03/27"); script_set_attribute(attribute:"patch_publication_date", value:"2019/11/18"); script_set_attribute(attribute:"plugin_publication_date", value:"2019/11/20"); script_set_attribute(attribute:"generated_plugin", value:"current"); script_end_attributes(); script_category(ACT_GATHER_INFO); script_copyright(english:"This script is Copyright (C) 2019 and is owned by Tenable, Inc. or an Affiliate thereof."); script_family(english:"Red Hat Local Security Checks"); 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:"^7([^0-9]|$)", string:os_ver)) audit(AUDIT_OS_NOT, "Red Hat 7.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) audit(AUDIT_LOCAL_CHECKS_NOT_IMPLEMENTED, "Red Hat", cpu); yum_updateinfo = get_kb_item("Host/RedHat/yum-updateinfo"); if (!empty_or_null(yum_updateinfo)) { rhsa = "RHSA-2019:3898"; yum_report = redhat_generate_yum_updateinfo_report(rhsa:rhsa); if (!empty_or_null(yum_report)) { security_report_v4( port : 0, severity : SECURITY_WARNING, extra : yum_report ); exit(0); } else { audit_message = "affected by Red Hat security advisory " + rhsa; audit(AUDIT_OS_NOT, audit_message); } } else { flag = 0; if (rpm_check(release:"RHEL7", cpu:"s390x", reference:"libcomps-0.1.8-13.el7")) flag++; if (rpm_check(release:"RHEL7", cpu:"x86_64", reference:"libcomps-0.1.8-13.el7")) flag++; if (rpm_check(release:"RHEL7", cpu:"s390x", reference:"libcomps-debuginfo-0.1.8-13.el7")) flag++; if (rpm_check(release:"RHEL7", cpu:"x86_64", reference:"libcomps-debuginfo-0.1.8-13.el7")) flag++; if (rpm_check(release:"RHEL7", cpu:"s390x", reference:"libcomps-devel-0.1.8-13.el7")) flag++; if (rpm_check(release:"RHEL7", cpu:"x86_64", reference:"libcomps-devel-0.1.8-13.el7")) flag++; if (rpm_check(release:"RHEL7", reference:"libcomps-doc-0.1.8-13.el7")) flag++; if (rpm_check(release:"RHEL7", reference:"python-libcomps-doc-0.1.8-13.el7")) flag++; if (rpm_check(release:"RHEL7", cpu:"s390x", reference:"python2-libcomps-0.1.8-13.el7")) flag++; if (rpm_check(release:"RHEL7", cpu:"x86_64", reference:"python2-libcomps-0.1.8-13.el7")) flag++; if (flag) { security_report_v4( port : 0, severity : SECURITY_WARNING, 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, "libcomps / libcomps-debuginfo / libcomps-devel / libcomps-doc / etc"); } }NASL family Red Hat Local Security Checks NASL id REDHAT-RHSA-2019-3583.NASL description An update for yum is now available for Red Hat Enterprise Linux 8. Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section. Yum is a command-line utility that allows the user to check for updates and automatically download and install updated RPM packages. Yum automatically obtains and downloads dependencies, prompting the user for permission as necessary. The following packages have been upgraded to a later upstream version: dnf (4.2.7), dnf-plugins-core (4.0.8), libcomps (0.1.11), libdnf (0.35.1), librepo (1.10.3), libsolv (0.7.4). (BZ#1690288, BZ#1690289, BZ#1690299, BZ#1692402, BZ# 1694019, BZ#1697946) Security Fix(es) : * libcomps: use after free when merging two objmrtrees (CVE-2019-3817) * libsolv: illegal address access in pool_whatprovides in src/pool.h (CVE-2018-20534) For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section. Additional Changes : For detailed information on changes in this release, see the Red Hat Enterprise Linux 8.1 Release Notes linked from the References section. last seen 2020-06-01 modified 2020-06-02 plugin id 130555 published 2019-11-06 reporter This script is Copyright (C) 2019 and is owned by Tenable, Inc. or an Affiliate thereof. source https://www.tenable.com/plugins/nessus/130555 title RHEL 8 : yum (RHSA-2019:3583) code # # (C) Tenable Network Security, Inc. # # The descriptive text and package checks in this plugin were # extracted from Red Hat Security Advisory RHSA-2019:3583. The text # itself is copyright (C) Red Hat, Inc. # include("compat.inc"); if (description) { script_id(130555); script_version("1.2"); script_cvs_date("Date: 2019/12/17"); script_cve_id("CVE-2018-20534", "CVE-2019-3817"); script_xref(name:"RHSA", value:"2019:3583"); script_name(english:"RHEL 8 : yum (RHSA-2019:3583)"); script_summary(english:"Checks the rpm output for the updated packages"); script_set_attribute( attribute:"synopsis", value:"The remote Red Hat host is missing one or more security updates." ); script_set_attribute( attribute:"description", value: "An update for yum is now available for Red Hat Enterprise Linux 8. Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section. Yum is a command-line utility that allows the user to check for updates and automatically download and install updated RPM packages. Yum automatically obtains and downloads dependencies, prompting the user for permission as necessary. The following packages have been upgraded to a later upstream version: dnf (4.2.7), dnf-plugins-core (4.0.8), libcomps (0.1.11), libdnf (0.35.1), librepo (1.10.3), libsolv (0.7.4). (BZ#1690288, BZ#1690289, BZ#1690299, BZ#1692402, BZ# 1694019, BZ#1697946) Security Fix(es) : * libcomps: use after free when merging two objmrtrees (CVE-2019-3817) * libsolv: illegal address access in pool_whatprovides in src/pool.h (CVE-2018-20534) For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section. Additional Changes : For detailed information on changes in this release, see the Red Hat Enterprise Linux 8.1 Release Notes linked from the References section." ); # https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/8/ script_set_attribute( attribute:"see_also", value:"http://www.nessus.org/u?774148ae" ); script_set_attribute( attribute:"see_also", value:"https://access.redhat.com/errata/RHSA-2019:3583" ); script_set_attribute( attribute:"see_also", value:"https://access.redhat.com/security/cve/cve-2018-20534" ); script_set_attribute( attribute:"see_also", value:"https://access.redhat.com/security/cve/cve-2019-3817" ); script_set_attribute(attribute:"solution", value:"Update the affected packages."); script_set_cvss_base_vector("CVSS2#AV:N/AC:M/Au:N/C:P/I:P/A:P"); 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"); 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script_set_attribute(attribute:"generated_plugin", value:"current"); script_end_attributes(); script_category(ACT_GATHER_INFO); script_copyright(english:"This script is Copyright (C) 2019 and is owned by Tenable, Inc. or an Affiliate thereof."); script_family(english:"Red Hat Local Security Checks"); 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); 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if (rpm_check(release:"RHEL8", cpu:"s390x", reference:"libcomps-debuginfo-0.1.11-2.el8")) flag++; if (rpm_check(release:"RHEL8", cpu:"x86_64", reference:"libcomps-debuginfo-0.1.11-2.el8")) flag++; if (rpm_check(release:"RHEL8", cpu:"i686", reference:"libcomps-debugsource-0.1.11-2.el8")) flag++; if (rpm_check(release:"RHEL8", cpu:"s390x", reference:"libcomps-debugsource-0.1.11-2.el8")) flag++; if (rpm_check(release:"RHEL8", cpu:"x86_64", reference:"libcomps-debugsource-0.1.11-2.el8")) flag++; if (rpm_check(release:"RHEL8", cpu:"i686", reference:"libcomps-devel-0.1.11-2.el8")) flag++; if (rpm_check(release:"RHEL8", cpu:"s390x", reference:"libcomps-devel-0.1.11-2.el8")) flag++; if (rpm_check(release:"RHEL8", cpu:"x86_64", reference:"libcomps-devel-0.1.11-2.el8")) flag++; if (rpm_check(release:"RHEL8", cpu:"i686", reference:"libdnf-0.35.1-8.el8")) flag++; if (rpm_check(release:"RHEL8", cpu:"s390x", reference:"libdnf-0.35.1-8.el8")) flag++; if (rpm_check(release:"RHEL8", cpu:"x86_64", reference:"libdnf-0.35.1-8.el8")) flag++; if (rpm_check(release:"RHEL8", cpu:"i686", reference:"libdnf-debuginfo-0.35.1-8.el8")) flag++; if (rpm_check(release:"RHEL8", cpu:"s390x", reference:"libdnf-debuginfo-0.35.1-8.el8")) flag++; if (rpm_check(release:"RHEL8", cpu:"x86_64", reference:"libdnf-debuginfo-0.35.1-8.el8")) flag++; if (rpm_check(release:"RHEL8", cpu:"i686", reference:"libdnf-debugsource-0.35.1-8.el8")) flag++; if (rpm_check(release:"RHEL8", cpu:"s390x", reference:"libdnf-debugsource-0.35.1-8.el8")) flag++; if (rpm_check(release:"RHEL8", cpu:"x86_64", reference:"libdnf-debugsource-0.35.1-8.el8")) flag++; if (rpm_check(release:"RHEL8", cpu:"i686", reference:"librepo-1.10.3-3.el8")) flag++; if (rpm_check(release:"RHEL8", cpu:"s390x", reference:"librepo-1.10.3-3.el8")) flag++; if (rpm_check(release:"RHEL8", cpu:"x86_64", reference:"librepo-1.10.3-3.el8")) flag++; if (rpm_check(release:"RHEL8", cpu:"i686", reference:"librepo-debuginfo-1.10.3-3.el8")) flag++; if (rpm_check(release:"RHEL8", cpu:"s390x", reference:"librepo-debuginfo-1.10.3-3.el8")) flag++; if (rpm_check(release:"RHEL8", cpu:"x86_64", reference:"librepo-debuginfo-1.10.3-3.el8")) flag++; if (rpm_check(release:"RHEL8", cpu:"i686", reference:"librepo-debugsource-1.10.3-3.el8")) flag++; if (rpm_check(release:"RHEL8", cpu:"s390x", reference:"librepo-debugsource-1.10.3-3.el8")) flag++; if (rpm_check(release:"RHEL8", cpu:"x86_64", reference:"librepo-debugsource-1.10.3-3.el8")) flag++; if (rpm_check(release:"RHEL8", cpu:"i686", reference:"librhsm-0.0.3-3.el8")) flag++; if (rpm_check(release:"RHEL8", cpu:"s390x", reference:"librhsm-0.0.3-3.el8")) flag++; if (rpm_check(release:"RHEL8", cpu:"x86_64", reference:"librhsm-0.0.3-3.el8")) flag++; if (rpm_check(release:"RHEL8", cpu:"i686", reference:"librhsm-debuginfo-0.0.3-3.el8")) flag++; if (rpm_check(release:"RHEL8", cpu:"s390x", reference:"librhsm-debuginfo-0.0.3-3.el8")) flag++; if (rpm_check(release:"RHEL8", cpu:"x86_64", reference:"librhsm-debuginfo-0.0.3-3.el8")) flag++; if (rpm_check(release:"RHEL8", cpu:"i686", reference:"librhsm-debugsource-0.0.3-3.el8")) flag++; 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if (rpm_check(release:"RHEL8", cpu:"i686", reference:"libsolv-demo-debuginfo-0.7.4-3.el8")) flag++; if (rpm_check(release:"RHEL8", cpu:"s390x", reference:"libsolv-demo-debuginfo-0.7.4-3.el8")) flag++; if (rpm_check(release:"RHEL8", cpu:"x86_64", reference:"libsolv-demo-debuginfo-0.7.4-3.el8")) flag++; if (rpm_check(release:"RHEL8", cpu:"i686", reference:"libsolv-tools-debuginfo-0.7.4-3.el8")) flag++; if (rpm_check(release:"RHEL8", cpu:"s390x", reference:"libsolv-tools-debuginfo-0.7.4-3.el8")) flag++; if (rpm_check(release:"RHEL8", cpu:"x86_64", reference:"libsolv-tools-debuginfo-0.7.4-3.el8")) flag++; if (rpm_check(release:"RHEL8", cpu:"s390x", reference:"microdnf-3.0.1-3.el8")) flag++; if (rpm_check(release:"RHEL8", cpu:"x86_64", reference:"microdnf-3.0.1-3.el8")) flag++; if (rpm_check(release:"RHEL8", cpu:"s390x", reference:"microdnf-debuginfo-3.0.1-3.el8")) flag++; if (rpm_check(release:"RHEL8", cpu:"x86_64", reference:"microdnf-debuginfo-3.0.1-3.el8")) flag++; if (rpm_check(release:"RHEL8", cpu:"s390x", reference:"microdnf-debugsource-3.0.1-3.el8")) flag++; if (rpm_check(release:"RHEL8", cpu:"x86_64", reference:"microdnf-debugsource-3.0.1-3.el8")) flag++; if (rpm_check(release:"RHEL8", cpu:"i686", reference:"perl-solv-debuginfo-0.7.4-3.el8")) flag++; if (rpm_check(release:"RHEL8", cpu:"s390x", reference:"perl-solv-debuginfo-0.7.4-3.el8")) flag++; if (rpm_check(release:"RHEL8", cpu:"x86_64", reference:"perl-solv-debuginfo-0.7.4-3.el8")) flag++; if (rpm_check(release:"RHEL8", cpu:"s390x", reference:"python3-createrepo_c-0.11.0-3.el8")) flag++; if (rpm_check(release:"RHEL8", cpu:"x86_64", reference:"python3-createrepo_c-0.11.0-3.el8")) flag++; if (rpm_check(release:"RHEL8", cpu:"i686", reference:"python3-createrepo_c-debuginfo-0.11.0-3.el8")) flag++; if (rpm_check(release:"RHEL8", cpu:"s390x", reference:"python3-createrepo_c-debuginfo-0.11.0-3.el8")) flag++; if (rpm_check(release:"RHEL8", cpu:"x86_64", reference:"python3-createrepo_c-debuginfo-0.11.0-3.el8")) flag++; if (rpm_check(release:"RHEL8", reference:"python3-dnf-4.2.7-6.el8")) flag++; if (rpm_check(release:"RHEL8", reference:"python3-dnf-plugin-versionlock-4.0.8-3.el8")) flag++; if (rpm_check(release:"RHEL8", reference:"python3-dnf-plugins-core-4.0.8-3.el8")) flag++; if (rpm_check(release:"RHEL8", cpu:"s390x", reference:"python3-hawkey-0.35.1-8.el8")) flag++; if (rpm_check(release:"RHEL8", cpu:"x86_64", reference:"python3-hawkey-0.35.1-8.el8")) flag++; if (rpm_check(release:"RHEL8", cpu:"i686", reference:"python3-hawkey-debuginfo-0.35.1-8.el8")) flag++; if (rpm_check(release:"RHEL8", cpu:"s390x", reference:"python3-hawkey-debuginfo-0.35.1-8.el8")) flag++; if (rpm_check(release:"RHEL8", cpu:"x86_64", reference:"python3-hawkey-debuginfo-0.35.1-8.el8")) flag++; if (rpm_check(release:"RHEL8", cpu:"s390x", reference:"python3-libcomps-0.1.11-2.el8")) flag++; if (rpm_check(release:"RHEL8", cpu:"x86_64", reference:"python3-libcomps-0.1.11-2.el8")) flag++; if (rpm_check(release:"RHEL8", cpu:"i686", reference:"python3-libcomps-debuginfo-0.1.11-2.el8")) flag++; if (rpm_check(release:"RHEL8", cpu:"s390x", reference:"python3-libcomps-debuginfo-0.1.11-2.el8")) flag++; if (rpm_check(release:"RHEL8", cpu:"x86_64", reference:"python3-libcomps-debuginfo-0.1.11-2.el8")) flag++; if (rpm_check(release:"RHEL8", cpu:"s390x", reference:"python3-libdnf-0.35.1-8.el8")) flag++; if (rpm_check(release:"RHEL8", cpu:"x86_64", reference:"python3-libdnf-0.35.1-8.el8")) flag++; if (rpm_check(release:"RHEL8", cpu:"i686", reference:"python3-libdnf-debuginfo-0.35.1-8.el8")) flag++; if (rpm_check(release:"RHEL8", cpu:"s390x", reference:"python3-libdnf-debuginfo-0.35.1-8.el8")) flag++; if (rpm_check(release:"RHEL8", cpu:"x86_64", reference:"python3-libdnf-debuginfo-0.35.1-8.el8")) flag++; if (rpm_check(release:"RHEL8", cpu:"s390x", reference:"python3-librepo-1.10.3-3.el8")) flag++; if (rpm_check(release:"RHEL8", cpu:"x86_64", reference:"python3-librepo-1.10.3-3.el8")) flag++; if (rpm_check(release:"RHEL8", cpu:"i686", reference:"python3-librepo-debuginfo-1.10.3-3.el8")) flag++; if (rpm_check(release:"RHEL8", cpu:"s390x", reference:"python3-librepo-debuginfo-1.10.3-3.el8")) flag++; if (rpm_check(release:"RHEL8", cpu:"x86_64", reference:"python3-librepo-debuginfo-1.10.3-3.el8")) flag++; if (rpm_check(release:"RHEL8", cpu:"i686", reference:"python3-solv-debuginfo-0.7.4-3.el8")) flag++; if (rpm_check(release:"RHEL8", cpu:"s390x", reference:"python3-solv-debuginfo-0.7.4-3.el8")) flag++; if (rpm_check(release:"RHEL8", cpu:"x86_64", reference:"python3-solv-debuginfo-0.7.4-3.el8")) flag++; if (rpm_check(release:"RHEL8", cpu:"i686", reference:"ruby-solv-debuginfo-0.7.4-3.el8")) flag++; if (rpm_check(release:"RHEL8", cpu:"s390x", reference:"ruby-solv-debuginfo-0.7.4-3.el8")) flag++; if (rpm_check(release:"RHEL8", cpu:"x86_64", reference:"ruby-solv-debuginfo-0.7.4-3.el8")) flag++; if (rpm_check(release:"RHEL8", reference:"yum-4.2.7-6.el8")) flag++; if (rpm_check(release:"RHEL8", reference:"yum-utils-4.0.8-3.el8")) flag++; if (flag) { security_report_v4( port : 0, severity : SECURITY_WARNING, 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, "createrepo_c / createrepo_c-debuginfo / createrepo_c-debugsource / etc"); } }
Redhat
| advisories |
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References
- https://github.com/rpm-software-management/libcomps/issues/41
- https://github.com/rpm-software-management/libcomps/commit/e3a5d056633677959ad924a51758876d415e7046
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-3817
- https://access.redhat.com/errata/RHSA-2019:3583
- https://access.redhat.com/errata/RHSA-2019:3898