CVE-2011-4029
The MITRE CVE dictionary describes this issue as:
The LockServer function in os/utils.c in X.Org xserver before 1.11.2 allows local users to change the permissions of arbitrary files to 444, read those files, and possibly cause a denial of service (removed execution permission) via a symlink attack on a temporary lock file.
Find out more about CVE-2011-4029 from the MITRE CVE dictionary dictionary and NIST NVD.
CVSS v2 metrics
| Base Score | 4 |
|---|---|
| Base Metrics | AV:L/AC:H/Au:N/C:C/I:N/A:N |
| Access Vector | Local |
| Access Complexity | High |
| Authentication | None |
| Confidentiality Impact | Complete |
| Integrity Impact | None |
| Availability Impact | None |
Find out more about Red Hat support for the Common Vulnerability Scoring System (CVSS).
Red Hat Security Errata
| Platform | Errata | Release Date |
|---|---|---|
| Red Hat Enterprise Linux 6 (xorg-x11-server) | RHSA-2012:0939 | 2012-06-19 |
Affected Packages State
| Platform | Package | State |
|---|---|---|
| Red Hat Enterprise Linux 5 | xorg-x11-server | Not affected |
| Red Hat Enterprise Linux 4 | xorg-x11 | Will not fix |
Acknowledgements
Red Hat would like to thank researcher with a nickname vladz for reporting this issue.External References
CVE description copyright © 2017, The MITRE Corporation