CVE-2011-3349

Publication date 19 November 2019

Last updated 25 August 2025

Ubuntu priority

Medium

Why this priority?

Cvss 3 Severity Score

7.8 · High

Score breakdown

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.

Read the notes from the security team

Status

Package Ubuntu Release Status
lightdm 12.10 quantal
Not affected
12.04 LTS precise
Not affected
11.10 oneiric
Fixed 0.9.5-0ubuntu2
11.04 natty Ignored end of life
10.10 maverick Not in release
10.04 LTS lucid Not in release
8.04 LTS hardy Not in release

Notes

tyhicks

The code is quite different, but it looks like the version in natty is affected

Severity score breakdown

CVSS version: CVSS v3.0

Base score 7.8 · High

Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

References

Other references

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