GLSA-202011-10 : tmux: Buffer overflow

high Nessus Plugin ID 142834

Synopsis

The remote Gentoo host is missing one or more security-related patches.

Description

The remote host is affected by the vulnerability described in GLSA-202011-10 (tmux: Buffer overflow)

A flaw in tmux’s handling of escape characters was discovered which may allow a buffer overflow.
Impact :

A remote attacker could possibly execute arbitrary code with the privileges of the process, or cause a Denial of Service condition.
Workaround :

There is no known workaround at this time.

Solution

All tmux users should upgrade to the latest version:
# emerge --sync # emerge --ask --oneshot --verbose '>=app-misc/tmux-3.1c'

See Also

https://security.gentoo.org/glsa/202011-10

Plugin Details

Severity: High

ID: 142834

File Name: gentoo_GLSA-202011-10.nasl

Version: 1.4

Type: local

Published: 11/12/2020

Updated: 2/8/2024

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 6.7

CVSS v2

Risk Factor: Medium

Base Score: 4.6

Temporal Score: 3.6

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

CVSS Score Source: CVE-2020-27347

CVSS v3

Risk Factor: High

Base Score: 7.8

Temporal Score: 7

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:P/RL:O/RC:C

Vulnerability Information

CPE: p-cpe:/a:gentoo:linux:tmux, cpe:/o:gentoo:linux

Required KB Items: Host/local_checks_enabled, Host/Gentoo/release, Host/Gentoo/qpkg-list

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 11/11/2020

Vulnerability Publication Date: 11/6/2020

Reference Information

CVE: CVE-2020-27347

GLSA: 202011-10