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CVE-2011-3349

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Date: November 19, 2019

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.

Language: C

Severity Score

Related Resources (9)

https://nvd.nist.gov/vuln/detail/CVE-2011-3349
https://access.redhat.com/security/cve/cve-2011-3349
https://security-tracker.debian.org/tracker/CVE-2011-3349
https://seclists.org/oss-sec/2011/q3/393
https://www.securityfocus.com/bid/50506
https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=639151
https://bugs.launchpad.net/debian/+source/lightdm/+bug/834079
https://people.canonical.com/~ubuntu-security/cve/CVE-2011-3349
https://www.mend.io/vulnerability-database/CVE-2011-3349

Severity Score

Weakness Type (CWE)

Improper Privilege Management

CWE-269

Top Fix

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CVSS v3.1

Base Score:
Attack Vector (AV): LOCAL
Attack Complexity (AC): LOW
Privileges Required (PR): LOW
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): HIGH
Integrity (I): HIGH
Availability (A): HIGH

CVSS v2

Base Score:
Access Vector (AV): LOCAL
Access Complexity (AC): LOW
Authentication (AU): NONE
Confidentiality (C): COMPLETE
Integrity (I): COMPLETE
Availability (A): COMPLETE
Additional information:

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