Vulnerability CVE-2013-7439
Published: 2015-04-16

Description:
Multiple off-by-one errors in the (1) MakeBigReq and (2) SetReqLen macros in include/X11/Xlibint.h in X11R6.x and libX11 before 1.6.0 allow remote attackers to have unspecified impact via a crafted request, which triggers a buffer overflow.

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

CVSS Base Score
Impact Subscore
Exploitability Subscore
7.5/10
6.4/10
10/10
Exploit range
Attack complexity
Authentication
Remote
Low
No required
Confidentiality impact
Integrity impact
Availability impact
Partial
Partial
Partial
Affected software
X.org -> Libx11 
X.org -> X11 
Debian -> Debian linux 
Canonical -> Ubuntu linux 

 References:
http://lists.x.org/archives/xorg-announce/2015-April/002561.html
http://seclists.org/oss-sec/2015/q2/81
http://www.debian.org/security/2015/dsa-3224
http://www.securityfocus.com/bid/73962
http://www.ubuntu.com/usn/USN-2568-1
https://bugs.freedesktop.org/show_bug.cgi?id=56508
Copyright 2024, cxsecurity.com

 

Back to Top