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

Medium Nessus Plugin ID 142501

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VPR Score: 5.9


The remote Ubuntu host is missing a security update.


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.


Update the affected tmux package.

See Also


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