CVE-2011-1496
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.
02 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.
03 Exploitation and scoring
- Exploitation
- Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
- SSVC decision
- Not assessed by CISA
- EPSS probability
- 0.95% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 61.0% of scored records. A rank, not a probability.
- NVD base score
- The NVD has published no score for this record
- NVD CVSS vector
- No NVD score to derive
- NVD analysis status
- Modified. NVD last modified this record on 2026-06-16.
- Red Hat severity
- No Red Hat rating. Red Hat rates the CVEs that affect its products.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
04 Metadata
- Published
- 2011-04-18 18:00Z15 YR AGO
- Last updated
- 2024-08-06 22:28Z2 YR AGO
- Reserved
- 2011-03-21
- Assigning CNA
- redhat
- Record state
- PUBLISHED
- Severity
- Not rated by the issuing CNA
- CNA CVSS vector
- Not published by the issuing CNA
- Weaknesses
- Data version
- 5.1
- Document digest
- 4e2e478855056a14681db69e0f1d842c45639d1b51578191e90c6d89bb81ed46
05 Affected products
06 References
- www.vupen.comADV-2011-1015http://www.vupen.com/english/advisories/2011/1015
- secunia.com44081http://secunia.com/advisories/44081
- secunia.com44239http://secunia.com/advisories/44239
- www.exploit-db.com17147http://www.exploit-db.com/exploits/17147
- lists.fedoraproject.orgFEDORA-2011-5156http://lists.fedoraproject.org/pipermail/package-announce/2011-April/058452.html
- www.securityfocus.com47283http://www.securityfocus.com/bid/47283
- www.debian.orgDSA-2212http://www.debian.org/security/2011/dsa-2212
- www.vupen.comADV-2011-0897http://www.vupen.com/english/advisories/2011/0897
- www.vupen.comADV-2011-1002http://www.vupen.com/english/advisories/2011/1002
- lists.fedoraproject.orgFEDORA-2011-5486http://lists.fedoraproject.org/pipermail/package-announce/2011-April/058548.html
- lists.fedoraproject.orgFEDORA-2011-5167http://lists.fedoraproject.org/pipermail/package-announce/2011-April/058367.html
- exchange.xforce.ibmcloud.comtmux-setgid-privilege-escalation(66693)https://exchange.xforce.ibmcloud.com/vulnerabilities/66693
07 Fixed in
Debian 12
- tmux Fixed in 1.4-6
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 13
- tmux Fixed in 1.4-6
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 14
- tmux Fixed in 1.4-6
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
A release or ecosystem missing from this list has no record here. It may be unaffected or not covered by the source. Source notices and licences.