high
7.8
CWE
269
Advisory Published
Updated

CVE-2011-3349

First published: Tue Nov 19 2019(Updated: )

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.

Credit: secalert@redhat.com

Affected SoftwareAffected VersionHow to fix
debian/lightdm
1.26.0-7
1.26.0-8
1.32.0-6
LightDM<0.9.6

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Reference Links

Frequently Asked Questions

  • What is the severity of CVE-2011-3349?

    CVE-2011-3349 has a medium severity rating, due to its potential for local privilege escalation.

  • How do I fix CVE-2011-3349?

    To fix CVE-2011-3349, update LightDM to version 0.9.6 or above.

  • Who is affected by CVE-2011-3349?

    CVE-2011-3349 affects local users of LightDM versions prior to 0.9.6 on Debian systems.

  • What type of vulnerability is CVE-2011-3349?

    CVE-2011-3349 is a local privilege escalation vulnerability affecting the LightDM display manager.

  • Can CVE-2011-3349 be exploited remotely?

    No, CVE-2011-3349 can only be exploited locally by authenticated users.

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