CVE-2020-27347

Published: Nov 6, 2020

Modified: Sep 17, 2024

PUBLISHED

CVSS v3.1

8.8

HIGH

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.

Vendor	Product	Versions
tmux	tmux	affected `unspecified - < 3.1c`
Ubuntu	tmux	affected `3.1b - < 3.1b-1ubuntu0.1` affected `3.0a - < 3.0a-2ubuntu0.2`

Weaknesses (CWE)

CWE-121

CVSS v3.1 Details

CVSS v3.1 Vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

Attack Vector

Local

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Changed

Confidentiality

High

Integrity

High

Availability

High

References

https://github.com/tmux/tmux/commit/a868bacb46e3c900530bed47a1c6f85b0fbe701c

x_refsource_MISC

https://www.openwall.com/lists/oss-security/2020/11/05/3

x_refsource_MISC

GLSA-202011-10

vendor-advisory

x_refsource_GENTOO

https://raw.githubusercontent.com/tmux/tmux/3.1c/CHANGES

x_refsource_CONFIRM

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CVE-2020-27347

Description

Affected Products

Weaknesses (CWE)

CVSS v3.1 Details

References