What’s Vulnerable › Vulnerabilities

CVE-2011-4105

• Severity: low (CVSS 1.9 v2.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2012-02-17 · updated 2026-06-16
• Weakness: CWE-59

Description

LightDM before 1.0.6 allows local users to change ownership of arbitrary files via a symlink attack on ~/.Xauthority.

Affected products

• Robert Ancell Lightdm: through 1.0.5; 0.0.1, 0.0.2, 0.0.3, 0.0.4, 0.1.0, 0.1.1 (+32)

References

• http://lists.freedesktop.org/archives/lightdm/2011-November/000178.html
• http://www.openwall.com/lists/oss-security/2011/11/02/10
• http://www.openwall.com/lists/oss-security/2011/11/02/6
• http://www.openwall.com/lists/oss-security/2011/11/02/9
• http://www.ubuntu.com/usn/USN-1262-1
• http://lists.freedesktop.org/archives/lightdm/2011-November/000178.html
• http://www.openwall.com/lists/oss-security/2011/11/02/10
• http://www.openwall.com/lists/oss-security/2011/11/02/6
• http://www.openwall.com/lists/oss-security/2011/11/02/9
• http://www.ubuntu.com/usn/USN-1262-1

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