Ubuntu 20.04 LTS / 20.10 : tmux vulnerability (USN-4618-1)

Medium Nessus Plugin ID 142501

New! Vulnerability Priority Rating (VPR)

Tenable calculates a dynamic VPR for every vulnerability. VPR combines vulnerability information with threat intelligence and machine learning algorithms to predict which vulnerabilities are most likely to be exploited in attacks. Read more about what VPR is and how it's different from CVSS.

VPR Score: 5.9

Synopsis

The remote Ubuntu host is missing a security update.

Description

The remote Ubuntu 20.04 LTS / 20.10 host has a package installed that is affected by a vulnerability as referenced in the USN-4618-1 advisory.

- The function input_csi_dispatch_sgr_colon() in file input.c contained a stack-based buffer-overflow that can be exploited by terminal output. (CVE-2020-27347)

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-4618-1

Plugin Details

Severity: Medium

ID: 142501

File Name: ubuntu_USN-4618-1.nasl

Version: 1.2

Type: local

Agent: unix

Published: 2020/11/06

Updated: 2020/11/06

Dependencies: 12634

Risk Information

Risk Factor: Medium

VPR Score: 5.9

Vulnerability Information

CPE: cpe:/o:canonical:ubuntu_linux:20.04:-:lts, cpe:/o:canonical:ubuntu_linux:20.10, p-cpe:/a:canonical:ubuntu_linux:tmux

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

Patch Publication Date: 2020/11/05

Vulnerability Publication Date: 2020/11/06

Reference Information

CVE: CVE-2020-27347

USN: 4618-1