CVE-2011-1496

Severity: medium (CVSS 4.6 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.0% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2011-04-18 · updated 2026-06-16
Weakness: CWE-264

Description

tmux 1.3 and 1.4 does not properly drop group privileges, which allows local users to gain utmp group privileges via a filename to the -S command-line option.

Affected products

Nicholas Marriott Tmux: 1.3, 1.4

References

http://lists.fedoraproject.org/pipermail/package-announce/2011-April/058367.html
http://lists.fedoraproject.org/pipermail/package-announce/2011-April/058452.html
http://lists.fedoraproject.org/pipermail/package-announce/2011-April/058548.html
http://secunia.com/advisories/44081
http://secunia.com/advisories/44239
http://www.debian.org/security/2011/dsa-2212
http://www.exploit-db.com/exploits/17147
http://www.securityfocus.com/bid/47283
http://www.vupen.com/english/advisories/2011/0897
http://www.vupen.com/english/advisories/2011/1002
http://www.vupen.com/english/advisories/2011/1015
https://exchange.xforce.ibmcloud.com/vulnerabilities/66693

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