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Amazon Linux 2 : emacs, emacs-common, emacs-devel (ALAS-2023-1928)

high Nessus Plugin ID 171048

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Synopsis

The remote Amazon Linux 2 host is missing a security update.

Description

It is, therefore, affected by a vulnerability as referenced in the ALAS2-2023-1928 advisory.

 GNU Emacs through 28.2 allows attackers to execute commands via shell metacharacters in the name of a source-code file, because lib-src/etags.c uses the system C library function in its implementation of the ctags program. For example, a victim may use the ctags * command (suggested in the ctags documentation) in a situation where the current working directory has contents that depend on untrusted input.
 (CVE-2022-45939)

Tenable has extracted the preceding description block directly from the tested product security advisory.

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

Solution

pkg_manager = 'yum'Run ' update emacs' to update your system.

See Also

https://alas.aws.amazon.com/AL2/ALAS-2023-1928.html

https://alas.aws.amazon.com/cve/html/CVE-2022-45939.html

Plugin Details

Severity: High

ID: 171048

File Name: al2_ALAS-2023-1928.nasl

Version: 1.1

Type: local

Agent: unix

Published: 2/6/2023

Updated: 12/11/2024

Supported Sensors: Agentless Assessment, Continuous Assessment, Frictionless Assessment Agent, Frictionless Assessment AWS, Nessus Agent, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 5.9

CVSS v2

Risk Factor: High

Base Score: 7.2

Temporal Score: 5.3

Vector: CVSS2#AV:L/AC:L/Au:N/C:C/I:C/A:C

CVSS Score Source: CVE-2022-45939

CVSS v3

Risk Factor: High

Base Score: 7.8

Temporal Score: 6.8

Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/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:emacs-debuginfo, p-cpe:/a:amazon:linux:emacs-filesystem, p-cpe:/a:amazon:linux:emacs, p-cpe:/a:amazon:linux:emacs-devel, p-cpe:/a:amazon:linux:emacs-common, cpe:/o:amazon:linux:2, p-cpe:/a:amazon:linux:emacs-terminal, p-cpe:/a:amazon:linux:emacs-nox, p-cpe:/a:amazon:linux:emacs-lucid

Required KB Items: Host/local_checks_enabled, Host/AmazonLinux/release, Host/AmazonLinux/rpm-list

Exploit Ease: No known exploits are available

Patch Publication Date: 1/30/2023

Vulnerability Publication Date: 11/28/2022

Reference Information

CVE: CVE-2022-45939