CVE-2012-0943

Light Display Manager <1.0.6, <1.1.7 - Info Disclosure

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2012-0943. PoCs published by Ryan Lortie.

AI-analyzed exploit summary The exploit describes a local arbitrary-file-deletion vulnerability in LightDM due to improper handling of filenames with spaces in the cleanup script. An attacker can create a file with a space in its name to trick the script into deleting unintended files.

Description

debian/guest-account in Light Display Manager (lightdm) 1.0.x before 1.0.6 and 1.1.x before 1.1.7, as used in Ubuntu Linux 11.10, allows local users to delete arbitrary files via a space in the name of a file in /tmp. NOTE: this identifier was SPLIT per ADT1/ADT2 due to different codebases and affected versions. CVE-2012-6648 has been assigned for the gdm-guest-session issue.

Exploits (1)

exploitdb WRITEUP VERIFIED
by Ryan Lortie · textlocallinux
https://www.exploit-db.com/exploits/36966

The exploit describes a local arbitrary-file-deletion vulnerability in LightDM due to improper handling of filenames with spaces in the cleanup script. An attacker can create a file with a space in its name to trick the script into deleting unintended files.

Classification
Writeup 90%
Attack Type
Other
Complexity
Trivial
Reliability
Reliable
Target: Light Display Manager (LightDM) 1.0.6
Auth required
Prerequisites: Local access to the system · Ability to create files in /tmp
mistral-large-3 · analyzed Feb 16, 2026 Full analysis →

References (3)

Core 3
Core References
Patch, Vendor Advisory vendor-advisory x_refsource_ubuntu
http://www.ubuntu.com/usn/USN-1399-2

Scores

EPSS 0.0076
EPSS Percentile 51.0%

Details

CWE
CWE-264
Status published
Products (14)
canonical/ubuntu_linux 11.10
robert_ancell/lightdm 1.0.0
robert_ancell/lightdm 1.0.1
robert_ancell/lightdm 1.0.2
robert_ancell/lightdm 1.0.3
robert_ancell/lightdm 1.0.4
robert_ancell/lightdm 1.0.5
robert_ancell/lightdm 1.1.0
robert_ancell/lightdm 1.1.1
robert_ancell/lightdm 1.1.2
... and 4 more
Published May 22, 2014
Tracked Since Feb 18, 2026