CVE-2013-4459

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Summary

CVECVE-2013-4459
StatePUBLISHED
Assignerredhat
Source PriorityCVE Program / NVD first with legacy fallback
Published2013-11-23 18:55:04 UTC
Updated2026-04-29 01:13:23 UTC
DescriptionLightDM 1.7.5 through 1.8.3 and 1.9.x before 1.9.2 does not apply the AppArmor profile to the Guest account, which allows local users to bypass intended restrictions by leveraging the Guest account.

Risk And Classification

Primary CVSS: v2.0 3.3 from [email protected]

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

EPSS: 0.000600000 probability, percentile 0.187060000 (date 2026-04-29)

Problem Types: CWE-264 | n/a

CVSS v2.0 Breakdown

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

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

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Operating System Canonical Ubuntu Linux 13.10 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 1.7.14 All All All
Application Robert Ancell Lightdm 1.7.15 All All All
Application Robert Ancell Lightdm 1.7.16 All All All
Application Robert Ancell Lightdm 1.7.17 All All All
Application Robert Ancell Lightdm 1.7.18 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
Application Robert Ancell Lightdm 1.8.0 All All All
Application Robert Ancell Lightdm 1.8.1 All All All
Application Robert Ancell Lightdm 1.8.2 All All All
Application Robert Ancell Lightdm 1.8.3 All All All
Application Robert Ancell Lightdm 1.9.0 All All All
Application Robert Ancell Lightdm 1.9.1 All All All

Vendor Declared Affected Products

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

References

ReferenceSourceLinkTags
[LightDM] lightdm 1.8.4 released af854a3a-2127-422b-91ae-364da2661108 lists.freedesktop.org
[LightDM] lightdm 1.9.2 released af854a3a-2127-422b-91ae-364da2661108 lists.freedesktop.org
Bug #1243339 “lightdm no longer runs guest session through wrapp...” : Bugs : lightdm package : Ubuntu af854a3a-2127-422b-91ae-364da2661108 bugs.launchpad.net Exploit
USN-2012-1: Light Display Manager vulnerability | Ubuntu af854a3a-2127-422b-91ae-364da2661108 www.ubuntu.com
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis
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