CVE-2012-0943

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Summary

CVECVE-2012-0943
StatePUBLISHED
Assignercanonical
Source PriorityCVE Program / NVD first with legacy fallback
Published2014-05-22 23:55:02 UTC
Updated2026-05-06 22:30:45 UTC
Descriptiondebian/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.

Risk And Classification

Primary CVSS: v2.0 2.1 from [email protected]

AV:L/AC:L/Au:N/C:N/I:N/A:P

Problem Types: CWE-264 | n/a

CVSS v2.0 Breakdown

Access Vector
Local
Access Complexity
Low
Authentication
None
Confidentiality
None
Integrity
None
Availability
Partial

AV:L/AC:L/Au:N/C:N/I:N/A:P

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Operating System Canonical Ubuntu Linux 11.10 All All All
Application Robert Ancell Lightdm 1.0.0 All All All
Application Robert Ancell Lightdm 1.0.1 All All All
Application Robert Ancell Lightdm 1.0.2 All All All
Application Robert Ancell Lightdm 1.0.3 All All All
Application Robert Ancell Lightdm 1.0.4 All All All
Application Robert Ancell Lightdm 1.0.5 All All All
Application Robert Ancell Lightdm 1.1.0 All All All
Application Robert Ancell Lightdm 1.1.1 All All All
Application Robert Ancell Lightdm 1.1.2 All All All
Application Robert Ancell Lightdm 1.1.3 All All All
Application Robert Ancell Lightdm 1.1.4 All All All
Application Robert Ancell Lightdm 1.1.5 All All All
Application Robert Ancell Lightdm 1.1.6 All All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Na N/a affected n/a Not specified

References

ReferenceSourceLinkTags
launchpadlibrarian.net/96471251/lightdm.secure-cleanup.debdiff af854a3a-2127-422b-91ae-364da2661108 launchpadlibrarian.net
Bug #953044 “Guest session clean up can remove other user's file...” : Bugs : lightdm package : Ubuntu af854a3a-2127-422b-91ae-364da2661108 bugs.launchpad.net
USN-1399-2: Light Display Manager vulnerability | Ubuntu af854a3a-2127-422b-91ae-364da2661108 www.ubuntu.com Patch, Vendor Advisory
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis
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