Vulnerability CVE-2011-4105
Published: 2012-02-17   Modified: 2012-02-18

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

Type:

CWE-59

 (Improper Link Resolution Before File Access ('Link Following'))

CVSS2 => (AV:L/AC:M/Au:N/C:N/I:P/A:N)

CVSS Base Score
Impact Subscore
Exploitability Subscore
1.9/10
2.9/10
3.4/10
Exploit range
Attack complexity
Authentication
Local
Medium
No required
Confidentiality impact
Integrity impact
Availability impact
None
Partial
None
Affected software
Robert ancell -> Lightdm 

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