CVE-2011-3349

Name: CVE-2011-3349
Creator: NVD / NIST
Published: 2019-11-19T22:15:11.007+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.8/10EPSS 0.36%

Last modified Jun 16, 2026

CVE-2011-3349 is a high-severity vulnerability rated 7.8/10 on the CVSS scale. 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.. EPSS estimates a 0.36% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

7.8/10

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

EPSS Probability

0.36%

28.1th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-269

Affected Software

Vendor	Product	Versions
Lightdm Project	Lightdm	< 0.9.6

References

https://access.redhat.com/security/cve/cve-2011-3349Broken Link
https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=639151Mailing List, Third Party Advisory
https://bugs.launchpad.net/debian/+source/lightdm/+bug/834079Third Party Advisory
https://seclists.org/oss-sec/2011/q3/393Mailing List, Third Party Advisory
https://security-tracker.debian.org/tracker/CVE-2011-3349Third Party Advisory
https://www.securityfocus.com/bid/50506Third Party Advisory, VDB Entry
https://access.redhat.com/security/cve/cve-2011-3349Broken Link
https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=639151Mailing List, Third Party Advisory
https://bugs.launchpad.net/debian/+source/lightdm/+bug/834079Third Party Advisory
https://seclists.org/oss-sec/2011/q3/393Mailing List, Third Party Advisory
https://security-tracker.debian.org/tracker/CVE-2011-3349Third Party Advisory
https://www.securityfocus.com/bid/50506Third Party Advisory, VDB Entry

Timeline

Published: Nov 19, 2019
Last Modified: Jun 16, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2011-3349?

How severe is CVE-2011-3349?

CVE-2011-3349 has a CVSS score of 7.8/10 (HIGH severity). The EPSS model estimates a 0.36% probability of exploitation in the next 30 days.

How do I fix CVE-2011-3349?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2011-3349?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST