Vulnerability CVE-2013-1981


Published: 2013-06-15

Description:
Multiple integer overflows in X.org libX11 1.5.99.901 (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.

CVSS2 => (AV:N/AC:M/Au:N/C:P/I:P/A:P)

CVSS Base Score
Impact Subscore
Exploitability Subscore
6.8/10
6.4/10
8.6/10
Exploit range
Attack complexity
Authentication
Remote
Medium
No required
Confidentiality impact
Integrity impact
Availability impact
Partial
Partial
Partial
Affected software
X.org -> Libx11 
X -> Libx11 
Canonical -> Ubuntu linux 

 References:
http://lists.fedoraproject.org/pipermail/package-announce/2013-May/106781.html
http://www.debian.org/security/2013/dsa-2693
http://www.openwall.com/lists/oss-security/2013/05/23/3
http://www.securityfocus.com/bid/60120
http://www.ubuntu.com/usn/USN-1854-1
http://www.x.org/wiki/Development/Security/Advisory-2013-05-23

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