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Last updated: 4/1/2015 11:14:53 PM

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Vulnerability Summary for CVE-2013-1981

Original release date: 06/15/2013
Last revised: 11/30/2013


Multiple integer overflows in X.org libX11 (1.6 RC1) and earlier allow X servers to trigger allocation of insufficient memory and a buffer overflow via vectors related to the (1) XQueryFont, (2) _XF86BigfontQueryFont, (3) XListFontsWithInfo, (4) XGetMotionEvents, (5) XListHosts, (6) XGetModifierMapping, (7) XGetPointerMapping, (8) XGetKeyboardMapping, (9) XGetWindowProperty, (10) XGetImage, (11) LoadColornameDB, (12) XrmGetFileDatabase, (13) _XimParseStringFile, or (14) TransFileName functions.


Additional products added per http://www.ubuntu.com/usn/USN-1854-1/


CVSS Severity (version 2.0):
CVSS v2 Base Score: 6.8 (MEDIUM) (AV:N/AC:M/Au:N/C:P/I:P/A:P) (legend)
Impact Subscore: 6.4
Exploitability Subscore: 8.6
CVSS Version 2 Metrics:
Access Vector: Network exploitable
Access Complexity: Medium
Authentication: Not required to exploit
Impact Type: Allows unauthorized disclosure of information; Allows unauthorized modification; Allows disruption of service

References to Advisories, Solutions, and Tools

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External Source: MLIST
Name: [oss-security] 20130523 Fwd: [ANNOUNCE] X.Org Security Advisory: Protocol handling issues in X Window System client libraries
External Source: UBUNTU
Name: USN-1854-1
Type: Advisory
External Source: CONFIRM
Name: http://www.x.org/wiki/Development/Security/Advisory-2013-05-23
Type: Advisory
External Source: FEDORA
Name: FEDORA-2013-9079
External Source: DEBIAN
Name: DSA-2693
Type: Advisory

Technical Details

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