CVE-2011-3349

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.

Category

7.8
CVSS
Severity: High
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.11%
Third-Party Advisory debian.org Third-Party Advisory launchpad.net Third-Party Advisory seclists.org Third-Party Advisory debian.org Third-Party Advisory securityfocus.com
Affected: lightdm lightdm
Published at:
Updated at:

References

Link Tags
https://security-tracker.debian.org/tracker/CVE-2011-3349 third party advisory
https://access.redhat.com/security/cve/cve-2011-3349 broken link
https://www.securityfocus.com/bid/50506 vdb entry third party advisory
https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=639151 third party advisory mailing list
https://bugs.launchpad.net/debian/+source/lightdm/+bug/834079 third party advisory
https://seclists.org/oss-sec/2011/q3/393 third party advisory mailing list

Frequently Asked Questions

What is the severity of CVE-2011-3349?
CVE-2011-3349 has been scored as a high severity vulnerability.
How to fix CVE-2011-3349?
To fix CVE-2011-3349, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2011-3349 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2011-3349 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2011-3349?
CVE-2011-3349 affects lightdm lightdm.
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