CVE-2011-3349 json
lightdm before 0.9.6 writes in .dmrc and Xauthority files using root permissions while the files are in user controlled folders.
published 2019-11-19 6 y ago modified 2026-06-16 4 mo ago also EUVD-2011-3313
- cvss
- 7.8
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.4%
- EPSS 0.4% chance of exploitation in 30 days, percentile 30%
- public exploits
- 0
- none known
Summary
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.
Patch / fix
- lightdm_project lightdm 0.9.6
- lightdm Debian 14, Debian 13, Debian 12 0.9.6-1
debian advisories DEBIAN-CVE-2011-3349
- lightdm openSUSE Tumbleweed 1.21.1-1.1
opensuse advisories openSUSE-SU-2024:10033-1
Exploit prediction
0.36% chance of exploitation in the next 30 days, higher than 30% of all scored CVEs (FIRST EPSS, 2026-11-09).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 7.8 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
| NVD | 2.0 | 7.2 | AV:L/AC:L/Au:N/C:C/I:C/A:C |
Affected products
- lightdm lightdm
Classification
- Weakness
-
- CWE-269 Improper Privilege Management
References
-
security-tracker.debian.org
/tracker/CVE-2011-3349
third-party-advisory
-
access.redhat.com
/security/cve/cve-2011-3349
broken-link
-
securityfocus.com
/bid/50506
third-party-advisory, vdb-entry
-
bugs.debian.org
/cgi-bin/bugreport.cgi?bug=639151
mailing-list, third-party-advisory
-
bugs.launchpad.net
/debian/+source/lightdm/+bug/834079
third-party-advisory
-
seclists.org
/oss-sec/2011/q3/393
mailing-list, third-party-advisory
Sources
- CVE List CVE-2011-3349
- NVD CVE-2011-3349
Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.