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Fencer Intel
medium 4.6

CVE-2012-1111 json

lightdm before 1.0.9 does not properly close file descriptors before opening a child process, which allows local users to write to the ligh…

published 2014-10-27 12 y ago modified 2026-06-16 4 mo ago also EUVD-2012-1145

cvss
4.6
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
0.5%
EPSS 0.5% chance of exploitation in 30 days, percentile 40%
public exploits
0
none known

Summary

lightdm before 1.0.9 does not properly close file descriptors before opening a child process, which allows local users to write to the lightdm log or have other unspecified impact.

Patch / fix

  • lightdm Debian 14, Debian 13, Debian 12 1.0.9-1

debian advisories DEBIAN-CVE-2012-1111

  • lightdm openSUSE Tumbleweed 1.21.1-1.1

opensuse advisories openSUSE-SU-2024:10033-1

Exploit prediction

0.47% chance of exploitation in the next 30 days, higher than 40% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

  • bugs.launchpad.net https://bugs.launchpad.net/ubuntu/+source/lightdm/+bug/927060 referenced PoC, tagged "exploit" by a source, unverified
  • bugzilla.novell.com https://bugzilla.novell.com/show_bug.cgi?id=745339 referenced PoC, tagged "exploit" by a source, unverified
  • seclists.org http://seclists.org/oss-sec/2012/q1/566 referenced PoC, tagged "exploit" by a source, unverified
  • seclists.org http://seclists.org/oss-sec/2012/q1/557 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 2.0 4.6 AV:L/AC:L/Au:N/C:P/I:P/A:P

Classification

Weakness
  • CWE-200 Exposure of Sensitive Information to an Unauthorized Actor

References

Sources

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.