Access Restriction Bypass Affecting tmux package, versions <1.4-6


Severity

Recommended
0.0
medium
0
10

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Threat Intelligence

Exploit Maturity
Proof of Concept
EPSS
0.95% (57th percentile)

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  • Snyk IDSNYK-DEBIANUNSTABLE-TMUX-268026
  • published18 Apr 2011
  • disclosed18 Apr 2011

Introduced: 18 Apr 2011

CVE-2011-1496  (opens in a new tab)
CWE-264  (opens in a new tab)

How to fix?

Upgrade Debian:unstable tmux to version 1.4-6 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream tmux package and not the tmux package as distributed by Debian. See How to fix? for Debian:unstable relevant fixed versions and status.

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.

CVSS Base Scores

version 3.1