National Cyber Awareness System
Vulnerability Summary for CVE-2013-0254
Original release date:02/06/2013
Last revised:05/15/2013
Source:
US-CERT/NIST
Overview
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.
Impact
CVSS Severity (version 2.0):
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
References to Advisories, Solutions, and Tools
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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: CONFIRM
Name: https://bugzilla.redhat.com/show_bug.cgi?id=907425
External Source: REDHAT
Name: RHSA-2013:0669
External Source: SUSE
Name: openSUSE-SU-2013:0411
External Source: SUSE
Name: openSUSE-SU-2013:0404
External Source: SUSE
Name: openSUSE-SU-2013:0403
Technical Details
- Permissions, Privileges, and Access Control (CWE-264)
