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SUSE SLED15 / SLES15 Security Update : libX11 (SUSE-SU-2018:2955-1)
critical Nessus Plugin ID 120113
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Synopsis
The remote SUSE host is missing one or more security updates.Description
This update for libX11 fixes the following security issues :CVE-2018-14599: The function XListExtensions was vulnerable to an off-by-one error caused by malicious server responses, leading to DoS or possibly unspecified other impact (bsc#1102062)
CVE-2018-14600: The function XListExtensions interpreted a variable as signed instead of unsigned, resulting in an out-of-bounds write (of up to 128 bytes), leading to DoS or remote code execution (bsc#1102068)
CVE-2018-14598: A malicious server could have sent a reply in which the first string overflows, causing a variable to be set to NULL that will be freed later on, leading to DoS (segmentation fault) (bsc#1102073)
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 Linux Enterprise Module for Basesystem 15:zypper in -t patch SUSE-SLE-Module-Basesystem-15-2018-2082=1
See Also
https://bugzilla.suse.com/show_bug.cgi?id=1102062
https://bugzilla.suse.com/show_bug.cgi?id=1102068
https://bugzilla.suse.com/show_bug.cgi?id=1102073
https://www.suse.com/security/cve/CVE-2018-14598/
https://www.suse.com/security/cve/CVE-2018-14599/
Plugin Details
Severity: Critical
ID: 120113
File Name: suse_SU-2018-2955-1.nasl
Version: 1.4
Type: local
Agent: unix
Family: SuSE Local Security Checks
Published: 1/2/2019
Updated: 7/10/2024
Supported Sensors: Agentless Assessment, Continuous Assessment, Frictionless Assessment Agent, Frictionless Assessment AWS, Frictionless Assessment Azure, Nessus Agent, Nessus
Risk Information
VPR
Risk Factor: Medium
Score: 5.9
CVSS v2
Risk Factor: High
Base Score: 7.5
Temporal Score: 5.5
Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:P
CVSS Score Source: CVE-2018-14600
CVSS v3
Risk Factor: Critical
Base Score: 9.8
Temporal Score: 8.5
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C
Vulnerability Information
CPE: p-cpe:/a:novell:suse_linux:libx11-xcb1-32bit-debuginfo, p-cpe:/a:novell:suse_linux:libx11-6-debuginfo, p-cpe:/a:novell:suse_linux:libx11-xcb1, p-cpe:/a:novell:suse_linux:libx11-6-32bit-debuginfo, cpe:/o:novell:suse_linux:15, p-cpe:/a:novell:suse_linux:libx11-debugsource, p-cpe:/a:novell:suse_linux:libx11-xcb1-debuginfo, p-cpe:/a:novell:suse_linux:libx11, p-cpe:/a:novell:suse_linux:libx11-devel, p-cpe:/a:novell:suse_linux:libx11-6
Required KB Items: Host/local_checks_enabled, Host/cpu, Host/SuSE/release, Host/SuSE/rpm-list
Exploit Ease: No known exploits are available
Patch Publication Date: 9/30/2018
Vulnerability Publication Date: 8/24/2018