CVE-2020-27347

tmux stack buffer overflow in function input_csi_dispatch_sgr_colon

State: Published
Severity: 8.8 High
Published: Nov 6, 2020
Updated: Sep 17, 2024
Reserved: Oct 20, 2020

Description

In tmux before version 3.1c the function input_csi_dispatch_sgr_colon() in file input.c contained a stack-based buffer-overflow that can be exploited by terminal output.

Scores

CVSS	Score	Vector	Source
3.1	8.8 High	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H	canonical

Weaknesses

CWE-121 Stack-based Buffer Overflow

Affected Products

Product	Versions
tmuxtmux	before 3.1cAffected
tmuxUbuntu	3.1b to before 3.1b-1ubuntu0.1Affected 3.0a to before 3.0a-2ubuntu0.2Affected

References

https://github.com/tmux/tmux/commit/a868bacb46e3c900530bed47a1c6f85b0fbe701c
https://www.openwall.com/lists/oss-security/2020/11/05/3
GLSA-202011-10vendor-advisory
https://raw.githubusercontent.com/tmux/tmux/3.1c/CHANGES

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