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Ubuntu 16.04 ESM / 18.04 LTS / 20.04 LTS / 22.04 LTS : tmux vulnerability (USN-5843-1)

critical Nessus Plugin ID 171056

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Synopsis

The remote Ubuntu host is missing a security update.

Description

The remote Ubuntu 16.04 ESM / 18.04 LTS / 20.04 LTS / 22.04 LTS / 22.10 host has a package installed that is affected by a vulnerability as referenced in the USN-5843-1 advisory.

 - A null pointer dereference issue was discovered in function window_pane_set_event in window.c in tmux 3.0 thru 3.3 and later, allows attackers to cause denial of service or other unspecified impacts.
 (CVE-2022-47016)

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

Solution

Update the affected tmux package.

See Also

https://ubuntu.com/security/notices/USN-5843-1

Plugin Details

Severity: Critical

ID: 171056

File Name: ubuntu_USN-5843-1.nasl

Version: 1.2

Type: local

Agent: unix

Published: 2/7/2023

Updated: 10/16/2023

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

Risk Information

CVSS v2

Risk Factor: Medium

Base Score: 6.4

Temporal Score: 4.7

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

CVSS Score Source: CVE-2022-47016

CVSS v3

Risk Factor: Critical

Base Score: 9.1

Temporal Score: 7.9

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

Vulnerability Information

CPE: cpe:/o:canonical:ubuntu_linux:16.04:-:esm, cpe:/o:canonical:ubuntu_linux:18.04:-:lts, cpe:/o:canonical:ubuntu_linux:20.04:-:lts, cpe:/o:canonical:ubuntu_linux:22.04:-:lts, p-cpe:/a:canonical:ubuntu_linux:tmux

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

Exploit Ease: No known exploits are available

Patch Publication Date: 2/6/2023

Vulnerability Publication Date: 1/20/2023

Reference Information

CVE: CVE-2022-47016

USN: 5843-1