Debian DSA-5314-1 : emacs - security update

high Nessus Plugin ID 169946

Synopsis

The remote Debian host is missing a security-related update.

Description

The remote Debian 11 host has packages installed that are affected by a vulnerability as referenced in the dsa-5314 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)

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

Solution

Upgrade the emacs packages.

For the stable distribution (bullseye), this problem has been fixed in version 1

See Also

https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1025009

https://security-tracker.debian.org/tracker/source-package/emacs

https://www.debian.org/security/2023/dsa-5314

https://security-tracker.debian.org/tracker/CVE-2022-45939

https://packages.debian.org/source/bullseye/emacs

Plugin Details

Severity: High

ID: 169946

File Name: debian_DSA-5314.nasl

Version: 1.0

Type: local

Agent: unix

Published: 1/12/2023

Updated: 1/12/2023

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

Risk Information

VPR

Risk Factor: Medium

Score: 6.7

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:debian:debian_linux:emacs, p-cpe:/a:debian:debian_linux:emacs-bin-common, p-cpe:/a:debian:debian_linux:emacs-common, p-cpe:/a:debian:debian_linux:emacs-el, p-cpe:/a:debian:debian_linux:emacs-gtk, p-cpe:/a:debian:debian_linux:emacs-lucid, p-cpe:/a:debian:debian_linux:emacs-nox, cpe:/o:debian:debian_linux:11.0

Required KB Items: Host/local_checks_enabled, Host/Debian/release, Host/Debian/dpkg-l

Exploit Ease: No known exploits are available

Patch Publication Date: 1/11/2023

Vulnerability Publication Date: 11/28/2022

Reference Information

CVE: CVE-2022-45939