Vulnerability CVE-2012-0943
Published: 2014-05-22   Modified: 2014-05-23

Description:
debian/guest-account in Light Display Manager (lightdm) 1.0.x before 1.0.6 and 1.1.x before 1.1.7, as used in Ubuntu Linux 11.10, allows local users to delete arbitrary files via a space in the name of a file in /tmp. NOTE: this identifier was SPLIT per ADT1/ADT2 due to different codebases and affected versions. CVE-2012-6648 has been assigned for the gdm-guest-session issue.

Type:

CWE-264

 (Permissions, Privileges, and Access Controls)

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

CVSS Base Score
Impact Subscore
Exploitability Subscore
2.1/10
2.9/10
3.9/10
Exploit range
Attack complexity
Authentication
Local
Low
No required
Confidentiality impact
Integrity impact
Availability impact
None
None
Partial
Affected software
Robert ancell -> Lightdm 
Canonical -> Ubuntu linux 

 References:
http://www.ubuntu.com/usn/USN-1399-2
https://launchpadlibrarian.net/96471251/lightdm.secure-cleanup.debdiff
https://bugs.launchpad.net/ubuntu/%2Bsource/lightdm/%2Bbug/953044
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