Vulnerabilities > CVE-2017-11124 - NULL Pointer Dereference vulnerability in XAR Project XAR 1.6.1
Attack vector
NETWORK Attack complexity
LOW Privileges required
NONE Confidentiality impact
HIGH Integrity impact
HIGH Availability impact
HIGH Summary
libxar.so in xar 1.6.1 has a NULL pointer dereference in the xar_unserialize function in archive.c.
Vulnerable Configurations
Part | Description | Count |
---|---|---|
Application | 1 |
Common Weakness Enumeration (CWE)
Nessus
NASL family Fedora Local Security Checks NASL id FEDORA_2020-BBD24DD0CF.NASL description - Use Apple upstream instead of non-fresh Github one - New upstream in 1.8 dev branch with 417.1 subversion - Close CVE-2018-17093 - Close CVE-2018-17094 - Close CVE-2017-11124 - Close CVE-2017-11125 - Close CVE-2010-3798 - Use license macro - Add OpenSSL To Configuration Note that Tenable Network Security has extracted the preceding description block directly from the Fedora update system website. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues. last seen 2020-06-01 modified 2020-06-02 plugin id 133429 published 2020-02-03 reporter This script is Copyright (C) 2020 and is owned by Tenable, Inc. or an Affiliate thereof. source https://www.tenable.com/plugins/nessus/133429 title Fedora 30 : xar (2020-bbd24dd0cf) code # # (C) Tenable Network Security, Inc. # # The descriptive text and package checks in this plugin were # extracted from Fedora Security Advisory FEDORA-2020-bbd24dd0cf. # include("compat.inc"); if (description) { script_id(133429); script_version("1.2"); script_cvs_date("Date: 2020/02/05"); script_cve_id("CVE-2010-3798", "CVE-2017-11124", "CVE-2017-11125", "CVE-2018-17093", "CVE-2018-17094"); script_xref(name:"FEDORA", value:"2020-bbd24dd0cf"); script_name(english:"Fedora 30 : xar (2020-bbd24dd0cf)"); script_summary(english:"Checks rpm output for the updated package."); script_set_attribute( attribute:"synopsis", value:"The remote Fedora host is missing a security update." ); script_set_attribute( attribute:"description", value: " - Use Apple upstream instead of non-fresh Github one - New upstream in 1.8 dev branch with 417.1 subversion - Close CVE-2018-17093 - Close CVE-2018-17094 - Close CVE-2017-11124 - Close CVE-2017-11125 - Close CVE-2010-3798 - Use license macro - Add OpenSSL To Configuration Note that Tenable Network Security has extracted the preceding description block directly from the Fedora update system website. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues." ); script_set_attribute( attribute:"see_also", value:"https://bodhi.fedoraproject.org/updates/FEDORA-2020-bbd24dd0cf" ); script_set_attribute(attribute:"solution", value:"Update the affected xar package."); 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:"plugin_type", value:"local"); script_set_attribute(attribute:"cpe", value:"p-cpe:/a:fedoraproject:fedora:xar"); script_set_attribute(attribute:"cpe", value:"cpe:/o:fedoraproject:fedora:30"); script_set_attribute(attribute:"vuln_publication_date", value:"2010/11/16"); script_set_attribute(attribute:"patch_publication_date", value:"2020/02/03"); script_set_attribute(attribute:"plugin_publication_date", value:"2020/02/03"); 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:"Fedora Local Security Checks"); script_dependencies("ssh_get_info.nasl"); script_require_keys("Host/local_checks_enabled", "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); release = get_kb_item("Host/RedHat/release"); if (isnull(release) || "Fedora" >!< release) audit(AUDIT_OS_NOT, "Fedora"); os_ver = pregmatch(pattern: "Fedora.*release ([0-9]+)", string:release); if (isnull(os_ver)) audit(AUDIT_UNKNOWN_APP_VER, "Fedora"); os_ver = os_ver[1]; if (! preg(pattern:"^30([^0-9]|$)", string:os_ver)) audit(AUDIT_OS_NOT, "Fedora 30", "Fedora " + os_ver); if (!get_kb_item("Host/RedHat/rpm-list")) audit(AUDIT_PACKAGE_LIST_MISSING); cpu = get_kb_item("Host/cpu"); if (isnull(cpu)) audit(AUDIT_UNKNOWN_ARCH); if ("x86_64" >!< cpu && cpu !~ "^i[3-6]86$") audit(AUDIT_LOCAL_CHECKS_NOT_IMPLEMENTED, "Fedora", cpu); flag = 0; if (rpm_check(release:"FC30", reference:"xar-1.8.0.417.1-1.fc30")) 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, "xar"); }
NASL family Fedora Local Security Checks NASL id FEDORA_2020-EDF53CD770.NASL description - Use Apple upstream instead of non-fresh Github one - New upstream in 1.8 dev branch with 417.1 subversion - Close CVE-2018-17093 - Close CVE-2018-17094 - Close CVE-2017-11124 - Close CVE-2017-11125 - Close CVE-2010-3798 - Use license macro - Add OpenSSL To Configuration Note that Tenable Network Security has extracted the preceding description block directly from the Fedora update system website. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues. last seen 2020-06-01 modified 2020-06-02 plugin id 133536 published 2020-02-07 reporter This script is Copyright (C) 2020 and is owned by Tenable, Inc. or an Affiliate thereof. source https://www.tenable.com/plugins/nessus/133536 title Fedora 31 : xar (2020-edf53cd770) code # # (C) Tenable Network Security, Inc. # # The descriptive text and package checks in this plugin were # extracted from Fedora Security Advisory FEDORA-2020-edf53cd770. # include("compat.inc"); if (description) { script_id(133536); script_version("1.2"); script_cvs_date("Date: 2020/02/12"); script_cve_id("CVE-2010-3798", "CVE-2017-11124", "CVE-2017-11125", "CVE-2018-17093", "CVE-2018-17094"); script_xref(name:"FEDORA", value:"2020-edf53cd770"); script_name(english:"Fedora 31 : xar (2020-edf53cd770)"); script_summary(english:"Checks rpm output for the updated package."); script_set_attribute( attribute:"synopsis", value:"The remote Fedora host is missing a security update." ); script_set_attribute( attribute:"description", value: " - Use Apple upstream instead of non-fresh Github one - New upstream in 1.8 dev branch with 417.1 subversion - Close CVE-2018-17093 - Close CVE-2018-17094 - Close CVE-2017-11124 - Close CVE-2017-11125 - Close CVE-2010-3798 - Use license macro - Add OpenSSL To Configuration Note that Tenable Network Security has extracted the preceding description block directly from the Fedora update system website. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues." ); script_set_attribute( attribute:"see_also", value:"https://bodhi.fedoraproject.org/updates/FEDORA-2020-edf53cd770" ); script_set_attribute(attribute:"solution", value:"Update the affected xar package."); 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:"plugin_type", value:"local"); script_set_attribute(attribute:"cpe", value:"p-cpe:/a:fedoraproject:fedora:xar"); script_set_attribute(attribute:"cpe", value:"cpe:/o:fedoraproject:fedora:31"); script_set_attribute(attribute:"vuln_publication_date", value:"2010/11/16"); script_set_attribute(attribute:"patch_publication_date", value:"2020/02/07"); script_set_attribute(attribute:"plugin_publication_date", value:"2020/02/07"); 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:"Fedora Local Security Checks"); script_dependencies("ssh_get_info.nasl"); script_require_keys("Host/local_checks_enabled", "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); release = get_kb_item("Host/RedHat/release"); if (isnull(release) || "Fedora" >!< release) audit(AUDIT_OS_NOT, "Fedora"); os_ver = pregmatch(pattern: "Fedora.*release ([0-9]+)", string:release); if (isnull(os_ver)) audit(AUDIT_UNKNOWN_APP_VER, "Fedora"); os_ver = os_ver[1]; if (! preg(pattern:"^31([^0-9]|$)", string:os_ver)) audit(AUDIT_OS_NOT, "Fedora 31", "Fedora " + os_ver); if (!get_kb_item("Host/RedHat/rpm-list")) audit(AUDIT_PACKAGE_LIST_MISSING); cpu = get_kb_item("Host/cpu"); if (isnull(cpu)) audit(AUDIT_UNKNOWN_ARCH); if ("x86_64" >!< cpu && cpu !~ "^i[3-6]86$") audit(AUDIT_LOCAL_CHECKS_NOT_IMPLEMENTED, "Fedora", cpu); flag = 0; if (rpm_check(release:"FC31", reference:"xar-1.8.0.417.1-1.fc31")) 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, "xar"); }
References
- https://blogs.gentoo.org/ago/2017/06/28/xar-null-pointer-dereference-in-xar_unserialize-archive-c/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/2S2KRIILUKBJHXDNYJQQX74TFUQRG5ND/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/YV6RF6VWM7AFYFTTS7VY5TNH26QUEEFC/