CVE-2011-3349 Information

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 Vector

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

Reference

https://access.redhat.com/security/cve/cve-2011-3349 https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=639151 https://bugs.launchpad.net/debian/+source/lightdm/+bug/834079 https://seclists.org/oss-sec/2011/q3/393 https://security-tracker.debian.org/tracker/CVE-2011-3349 https://www.securityfocus.com/bid/50506

Attack Complexity

LOW

Privileges Required

LOW

User Interaction Required

LOW

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

7.8