CVE-2011-4028
The LockServer function in os/utils.c in X.Org xserver before 1.11.2 allows local users to determine the existence of arbitrary files via a symlink attack on a temporary lock file, which is handled
02 Description
The LockServer function in os/utils.c in X.Org xserver before 1.11.2 allows local users to determine the existence of arbitrary files via a symlink attack on a temporary lock file, which is handled
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
- 0.37% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 30.8% 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
- Low. Red Hat's rating for its own products, not a CVSS rating.
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
- 2012-07-03 19:00Z14 YR AGO
- Last updated
- 2024-09-16 18:54Z2 YR AGO
- Reserved
- 2011-10-09
- Assigning CNA
- mitre
- Record state
- PUBLISHED
- Severity
- Not rated by the issuing CNA
- CNA CVSS vector
- Not published by the issuing CNA
- Weaknesses
- CWE-59Improper Link Resolution Before File Access ('Link Following')Base
- Data version
- 5.1
- Document digest
- 0c747acfe07aecc983114a643c86a941762f5c501ea48af98c4e4ddeaf362318
05 Affected products
06 References
- cgit.freedesktop.orghttp://cgit.freedesktop.org/xorg/xserver/commit/?id=6ba44b91e37622ef8c146d8f2ac92d708a18ed34
- lists.freedesktop.org[xorg] 20111018 X.Org security advisory: xserver locking code issueshttp://lists.freedesktop.org/archives/xorg/2011-October/053680.html
- secunia.com46460http://secunia.com/advisories/46460
- rhn.redhat.comRHSA-2012:0939http://rhn.redhat.com/errata/RHSA-2012-0939.html
- secunia.com49579http://secunia.com/advisories/49579
07 Fixed in
Debian 12
- xorg-server Fixed in 2:1.11.1.901-2
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 13
- xorg-server Fixed in 2:1.11.1.901-2
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 14
- xorg-server Fixed in 2:1.11.1.901-2
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.