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SUSE SLED15 / SLES15 Security Update : libxml2 (SUSE-SU-2021:1523-1)
high Nessus Plugin ID 149347
Language:
Synopsis
The remote SUSE host is missing one or more security updates.Description
This update for libxml2 fixes the following issues :CVE-2021-3518: Fixed a use after free in xinclude.c:xmlXIncludeDoProcess (bsc#1185408).
CVE-2021-3517: Fixed a heap-based buffer overflow in entities.c:xmlEncodeEntitiesInternal (bsc#1185410).
CVE-2021-3516: Fixed a use after free in entities.c:xmlEncodeEntitiesInternal (bsc#1185409).
Note that Tenable Network Security has extracted the preceding description block directly from the SUSE security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.
Solution
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or 'zypper patch'.Alternatively you can run the command listed for your product :
SUSE MicroOS 5.0 :
zypper in -t patch SUSE-SUSE-MicroOS-5.0-2021-1523=1
SUSE Linux Enterprise Module for Python2 15-SP3 :
zypper in -t patch SUSE-SLE-Module-Python2-15-SP3-2021-1523=1
SUSE Linux Enterprise Module for Python2 15-SP2 :
zypper in -t patch SUSE-SLE-Module-Python2-15-SP2-2021-1523=1
SUSE Linux Enterprise Module for Basesystem 15-SP3 :
zypper in -t patch SUSE-SLE-Module-Basesystem-15-SP3-2021-1523=1
SUSE Linux Enterprise Module for Basesystem 15-SP2 :
zypper in -t patch SUSE-SLE-Module-Basesystem-15-SP2-2021-1523=1
See Also
https://bugzilla.suse.com/show_bug.cgi?id=1185408
https://bugzilla.suse.com/show_bug.cgi?id=1185409
https://bugzilla.suse.com/show_bug.cgi?id=1185410
https://www.suse.com/security/cve/CVE-2021-3516/
https://www.suse.com/security/cve/CVE-2021-3517/
Plugin Details
Severity: High
ID: 149347
File Name: suse_SU-2021-1523-1.nasl
Version: 1.5
Type: local
Agent: unix
Family: SuSE Local Security Checks
Published: 5/7/2021
Updated: 1/2/2024
Supported Sensors: Frictionless Assessment AWS, Frictionless Assessment Azure, Frictionless Assessment Agent, Nessus Agent, Agentless Assessment, Continuous Assessment, Nessus
Risk Information
VPR
Risk Factor: Medium
Score: 6.7
CVSS v2
Risk Factor: High
Base Score: 7.5
Temporal Score: 5.9
Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:P
CVSS Score Source: CVE-2021-3517
CVSS v3
Risk Factor: High
Base Score: 8.8
Temporal Score: 7.9
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Temporal Vector: CVSS:3.0/E:P/RL:O/RC:C
CVSS Score Source: CVE-2021-3518
Vulnerability Information
CPE: p-cpe:/a:novell:suse_linux:python2-libxml2-python, p-cpe:/a:novell:suse_linux:python3-libxml2-python, p-cpe:/a:novell:suse_linux:libxml2-tools-debuginfo, p-cpe:/a:novell:suse_linux:python-libxml2-python-debugsource, p-cpe:/a:novell:suse_linux:python2-libxml2-python-debuginfo, p-cpe:/a:novell:suse_linux:libxml2-tools, cpe:/o:novell:suse_linux:15, p-cpe:/a:novell:suse_linux:libxml2-2-32bit-debuginfo, p-cpe:/a:novell:suse_linux:libxml2-debugsource, p-cpe:/a:novell:suse_linux:libxml2-devel, p-cpe:/a:novell:suse_linux:libxml2, p-cpe:/a:novell:suse_linux:python3-libxml2-python-debuginfo, p-cpe:/a:novell:suse_linux:libxml2-2, p-cpe:/a:novell:suse_linux:libxml2-2-debuginfo
Required KB Items: Host/local_checks_enabled, Host/cpu, Host/SuSE/release, Host/SuSE/rpm-list
Exploit Available: true
Exploit Ease: Exploits are available
Patch Publication Date: 5/5/2021
Vulnerability Publication Date: 5/18/2021