Detections
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Amazon Linux 2023 : libX11, libX11-common, libX11-devel (ALAS2023-2023-383)
high Nessus Plugin ID 183823
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Synopsis
The remote Amazon Linux 2023 host is missing a security update.Description
It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2023-2023-383 advisory.libX11: out-of-bounds memory access in _XkbReadKeySyms() (CVE-2023-43785)
A vulnerability was found in libX11 due to an infinite loop within the PutSubImage() function. This flaw allows a local user to consume all available system resources and cause a denial of service condition.
(CVE-2023-43786)
libX11: integer overflow in XCreateImage() leading to a heap overflow. (CVE-2023-43787)
Tenable has extracted the preceding description block directly from the tested product security advisory.
Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.
Solution
Run 'dnf update libX11 --releasever 2023.2.20231018' to update your system.See Also
https://alas.aws.amazon.com/AL2023/ALAS-2023-383.html
https://alas.aws.amazon.com/cve/html/CVE-2023-43785.html
https://alas.aws.amazon.com/cve/html/CVE-2023-43786.html
Plugin Details
Severity: High
ID: 183823
File Name: al2023_ALAS2023-2023-383.nasl
Version: 1.1
Type: local
Agent: unix
Published: 10/24/2023
Updated: 12/11/2024
Supported Sensors: Frictionless Assessment AWS, Frictionless Assessment Agent, Nessus Agent, Agentless Assessment, Continuous Assessment, Nessus
Risk Information
VPR
Risk Factor: Medium
Score: 6.7
CVSS v2
Risk Factor: Medium
Base Score: 6.8
Temporal Score: 5
Vector: CVSS2#AV:L/AC:L/Au:S/C:C/I:C/A:C
CVSS Score Source: CVE-2023-43787
CVSS v3
Risk Factor: High
Base Score: 7.8
Temporal Score: 6.8
Vector: CVSS:3.0/AV:L/AC:L/PR:L/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:amazon:linux:libx11-debuginfo, p-cpe:/a:amazon:linux:libx11, p-cpe:/a:amazon:linux:libx11-xcb-debuginfo, p-cpe:/a:amazon:linux:libx11-common, p-cpe:/a:amazon:linux:libx11-xcb, p-cpe:/a:amazon:linux:libx11-debugsource, p-cpe:/a:amazon:linux:libx11-devel, cpe:/o:amazon:linux:2023
Required KB Items: Host/local_checks_enabled, Host/AmazonLinux/release, Host/AmazonLinux/rpm-list
Exploit Ease: No known exploits are available
Patch Publication Date: 10/12/2023
Vulnerability Publication Date: 10/4/2023