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CVE-2020-27347

tmux stack buffer overflow in function input_csi_dispatch_sgr_colon

Published: Nov 6, 2020Updated: Nov 21, 2024 Sources: CVE List NVDCWE-121
NVD MITRE
8.8CVSSHIGH
EPSS Score
0.6%
Top 54.8%
CISA KEV
Not in KEV
Exploits
1 Known
Remediation
Patch Available

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.

CVSS Vector Breakdown

AV:LAC:LPR:LUI:NS:CC:HI:HA:H
Exploitability
AV:LAttack Vector
Local
AC:LAttack Complexity
Low
PR:LPrivileges Required
Low
UI:NUser Interaction
None
Scope
S:CScope
Changed
Impact
C:HConfidentiality
High
I:HIntegrity
High
A:HAvailability
High
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Weaknesses

CWE-121CWE-787

Affected Products

tmuxtmux
On-prem
Operating Systems / unix-bsd
tmuxUbuntu
On-prem
Operating Systems / linux-distro
tmuxtmux project
On-prem
Operating Systems / unix-bsd
tmuxoss-projectOperating Systemsaka tmux project
ubuntucommercialGBOperating Systemsaka ubuntu linux
tmux projectoss-projectOperating Systems

Attack Graph

Products CVE Techniques Tactics

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Exploitability

1 exploit source identified

Exploit details including PoC links, Metasploit modules, and scanner templates are available after registration.

View exploit details
Official Patch Available

MITRE ATT&CK

2 techniques
Initial Access
Privilege Escalation
View detailed technique mapping

References

https://github.com/tmux/tmux/commit/a868bacb46e3c900530bed47a1c6f85b0fbe701c
github.com
https://www.openwall.com/lists/oss-security/2020/11/05/3
openwall.com
https://security.gentoo.org/glsa/202011-10
security.gentoo.org
and 1 more references View all →

Timeline

Published
Nov 6, 2020
Last Updated
Nov 21, 2024

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