Vulnerability Description
lightdm before 0.9.6 writes in .dmrc and Xauthority files using root permissions while the files are in user controlled folders. A local user can overwrite root-owned files via a symlink, which can allow possible privilege escalation.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Lightdm Project | Lightdm | < 0.9.6 |
Related Weaknesses (CWE)
References
- https://access.redhat.com/security/cve/cve-2011-3349Broken Link
- https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=639151Mailing ListThird Party Advisory
- https://bugs.launchpad.net/debian/+source/lightdm/+bug/834079Third Party Advisory
- https://seclists.org/oss-sec/2011/q3/393Mailing ListThird Party Advisory
- https://security-tracker.debian.org/tracker/CVE-2011-3349Third Party Advisory
- https://www.securityfocus.com/bid/50506Third Party AdvisoryVDB Entry
- https://access.redhat.com/security/cve/cve-2011-3349Broken Link
- https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=639151Mailing ListThird Party Advisory
- https://bugs.launchpad.net/debian/+source/lightdm/+bug/834079Third Party Advisory
- https://seclists.org/oss-sec/2011/q3/393Mailing ListThird Party Advisory
- https://security-tracker.debian.org/tracker/CVE-2011-3349Third Party Advisory
- https://www.securityfocus.com/bid/50506Third Party AdvisoryVDB Entry
FAQ
What is CVE-2011-3349?
CVE-2011-3349 is a vulnerability with a CVSS score of 7.8 (HIGH). lightdm before 0.9.6 writes in .dmrc and Xauthority files using root permissions while the files are in user controlled folders. A local user can overwrite root-owned files via a symlink, which can al...
How severe is CVE-2011-3349?
CVE-2011-3349 has been rated HIGH with a CVSS base score of 7.8/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2011-3349?
Check the references section above for vendor advisories and patch information. Affected products include: Lightdm Project Lightdm.