CVE-2013-4331

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Summary

CVECVE-2013-4331
StatePUBLISHED
Assignerredhat
Source PriorityCVE Program / NVD first with legacy fallback
Published2014-02-02 00:55:04 UTC
Updated2026-04-29 01:13:23 UTC
DescriptionLight Display Manager (aka LightDM) 1.4.x before 1.4.3, 1.6.x before 1.6.2, and 1.7.x before 1.7.14 uses 0664 permissions for the temporary .Xauthority file, which allows local users to obtain sensitive information by reading the file.

Risk And Classification

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

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

EPSS: 0.000430000 probability, percentile 0.129770000 (date 2026-05-04)

Problem Types: CWE-264 | n/a

CVSS v2.0 Breakdown

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

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

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Application Robert Ancell Lightdm 1.4.0 All All All
Application Robert Ancell Lightdm 1.4.1 All All All
Application Robert Ancell Lightdm 1.4.2 All All All
Application Robert Ancell Lightdm 1.6.0 All All All
Application Robert Ancell Lightdm 1.6.1 All All All
Application Robert Ancell Lightdm 1.7.0 All All All
Application Robert Ancell Lightdm 1.7.1 All All All
Application Robert Ancell Lightdm 1.7.10 All All All
Application Robert Ancell Lightdm 1.7.11 All All All
Application Robert Ancell Lightdm 1.7.12 All All All
Application Robert Ancell Lightdm 1.7.13 All All All
Application Robert Ancell Lightdm 1.7.2 All All All
Application Robert Ancell Lightdm 1.7.3 All All All
Application Robert Ancell Lightdm 1.7.4 All All All
Application Robert Ancell Lightdm 1.7.5 All All All
Application Robert Ancell Lightdm 1.7.6 All All All
Application Robert Ancell Lightdm 1.7.7 All All All
Application Robert Ancell Lightdm 1.7.8 All All All
Application Robert Ancell Lightdm 1.7.9 All All All

Vendor Declared Affected Products

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

References

ReferenceSourceLinkTags
Bug #685212 “wrong permission on xauthority file” : Bugs : Light Display Manager af854a3a-2127-422b-91ae-364da2661108 bugs.launchpad.net
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis
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