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Last updated: 2/8/2016 2:06:56 PM

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National Cyber Awareness System

Vulnerability Summary for CVE-2013-0254

Original release date: 02/06/2013
Last revised: 05/14/2013


The QSharedMemory class in Qt 5.0.0, 4.8.x before 4.8.5, 4.7.x before 4.7.6, and other versions including 4.4.0 uses weak permissions (world-readable and world-writable) for shared memory segments, which allows local users to read sensitive information or modify critical program data, as demonstrated by reading a pixmap being sent to an X server.


CVSS Severity (version 2.0):
CVSS v2 Base Score: 3.6 (LOW) (AV:L/AC:L/Au:N/C:P/I:P/A:N) (legend)
Impact Subscore: 4.9
Exploitability Subscore: 3.9
CVSS Version 2 Metrics:
Access Vector: Locally exploitable
Access Complexity: Low
Authentication: Not required to exploit
Impact Type: Allows unauthorized disclosure of information; Allows unauthorized modification

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External Source: CONFIRM
Name: https://bugzilla.redhat.com/show_bug.cgi?id=907425
External Source: SUSE
Name: openSUSE-SU-2013:0411
External Source: SUSE
Name: openSUSE-SU-2013:0404
External Source: MLIST
Name: [qt-announce] 20130205 [Announce] [CVE-2013-0254] Qt Project Security Advisory: System V shared memory segments created world-writeable
Type: Advisory; Patch Information
External Source: SUSE
Name: openSUSE-SU-2013:0403
External Source: REDHAT
Name: RHSA-2013:0669

Vulnerable software and versions

+ Configuration 1
+ OR
* cpe:/a:digia:qt:2.0.0
* cpe:/a:digia:qt:2.0.1
* cpe:/a:digia:qt:2.0.2
+ Configuration 2
+ OR
* cpe:/a:digia:qt:4.8.0
* cpe:/a:digia:qt:4.8.1
* cpe:/a:digia:qt:4.8.2
* cpe:/a:digia:qt:4.8.3
* cpe:/a:digia:qt:4.8.4
* cpe:/a:digia:qt:4.8.5
+ Configuration 3
+ OR
* cpe:/a:digia:qt:4.4.0
* cpe:/a:digia:qt:4.4.1
* cpe:/a:digia:qt:4.4.2
* cpe:/a:digia:qt:4.4.3
+ Configuration 4
+ OR
* cpe:/a:digia:qt:3.3.0
* cpe:/a:digia:qt:3.3.1
* cpe:/a:digia:qt:3.3.2
* cpe:/a:digia:qt:3.3.3
* cpe:/a:digia:qt:3.3.4
* cpe:/a:digia:qt:3.3.5
* cpe:/a:digia:qt:3.3.6
+ Configuration 5
+ OR
* cpe:/a:digia:qt:4.2.0
* cpe:/a:digia:qt:4.2.1
* cpe:/a:digia:qt:4.2.3
+ Configuration 6
+ OR
* cpe:/a:digia:qt:4.5.0
* cpe:/a:digia:qt:4.5.1
* cpe:/a:digia:qt:4.5.2
* cpe:/a:digia:qt:4.5.3
+ Configuration 7
+ OR
* cpe:/a:digia:qt:4.7.0
* cpe:/a:digia:qt:4.7.1
* cpe:/a:digia:qt:4.7.2
* cpe:/a:digia:qt:4.7.3
* cpe:/a:digia:qt:4.7.4
* cpe:/a:digia:qt:4.7.5
* cpe:/a:digia:qt:4.7.6
+ Configuration 8
+ OR
* cpe:/a:digia:qt:5.0.0
* cpe:/a:digia:qt:5.0.1
+ Configuration 9
+ OR
* cpe:/a:digia:qt:4.6.0
* cpe:/a:digia:qt:4.6.1
* cpe:/a:digia:qt:4.6.2
* cpe:/a:digia:qt:4.6.3
* cpe:/a:digia:qt:4.6.4
* cpe:/a:digia:qt:4.6.5
+ Configuration 10
+ OR
* cpe:/a:digia:qt:4.0.0
* cpe:/a:digia:qt:4.0.1
* cpe:/a:digia:qt:4.1.0
* cpe:/a:digia:qt:4.1.1
* cpe:/a:digia:qt:4.1.2
* cpe:/a:digia:qt:4.1.3
* cpe:/a:digia:qt:4.1.4
* cpe:/a:digia:qt:4.1.5
+ Configuration 11
+ OR
* cpe:/a:digia:qt:1.41
* cpe:/a:digia:qt:1.42
* cpe:/a:digia:qt:1.43
* cpe:/a:digia:qt:1.44
* cpe:/a:digia:qt:1.45
+ Configuration 12
+ OR
* cpe:/a:digia:qt:4.3.0
* cpe:/a:digia:qt:4.3.1
* cpe:/a:digia:qt:4.3.2
* cpe:/a:digia:qt:4.3.3
* cpe:/a:digia:qt:4.3.4
* cpe:/a:digia:qt:4.3.5

* Denotes Vulnerable Software
Changes related to vulnerability configurations

Technical Details

Vulnerability Type (View All)
  • Permissions, Privileges, and Access Control (CWE-264)