CVE-2011-4613

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Summary

CVECVE-2011-4613
StatePUBLISHED
Assignerredhat
Source PriorityCVE Program / NVD first with legacy fallback
Published2014-02-05 19:55:28 UTC
Updated2026-04-29 01:13:23 UTC
DescriptionThe X.Org X wrapper (xserver-wrapper.c) in Debian GNU/Linux and Ubuntu Linux does not properly verify the TTY of a user who is starting X, which allows local users to bypass intended access restrictions by associating stdin with a file that is misinterpreted as the console TTY.

Risk And Classification

Primary CVSS: v2.0 4.6 from [email protected]

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

EPSS: 0.000810000 probability, percentile 0.235390000 (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
Partial
Availability
Partial

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

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Operating System Canonical Ubuntu Linux 10.04 - lts All
Operating System Canonical Ubuntu Linux 10.10 All All All
Operating System Canonical Ubuntu Linux 11.04 All All All
Operating System Canonical Ubuntu Linux 11.10 All All All
Operating System Debian Debian Linux All All All All
Operating System Ubuntu Linux All All All All
Application X.org X Server - All All All

Vendor Declared Affected Products

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

References

ReferenceSourceLinkTags
#652249 - bypass default security level of the X wrapper - Debian Bug report logs af854a3a-2127-422b-91ae-364da2661108 bugs.debian.org Vendor Advisory
USN-1349-1: X.Org vulnerability | Ubuntu af854a3a-2127-422b-91ae-364da2661108 www.ubuntu.com Vendor Advisory
Debian -- Security Information -- DSA-2364-1 xorg af854a3a-2127-422b-91ae-364da2661108 www.debian.org Vendor Advisory
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

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