CVE-2013-7439

Impact:
Low
Public Date:
2013-03-09
CWE:
CWE-119
Bugzilla:
1209943: CVE-2013-7439 libX11: buffer overflow in MakeBigReq macro

The MITRE CVE dictionary describes this issue as:

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.

Find out more about CVE-2013-7439 from the MITRE CVE dictionary dictionary and NIST NVD.

Statement

This issue does not affect the version of libX11 package as shipped with Red Hat Enterprise Linux 7.

This issue was was fixed in Red Hat Enterprise Linux 6 via the following security advisory:

https://rhn.redhat.com/errata/RHSA-2014-1436.html

This issue affects the version of libX11 package as shipped with Red Hat Enterprise Linux 5. Red Hat Enterprise Linux 5 is now in Extended Life Cycle phase of the support and maintenance life cycle. This issue is not currently planned to be addressed in future updates.

CVSS v2 metrics

Base Score 2.9
Base Metrics AV:A/AC:H/Au:S/C:P/I:N/A:P
Access Vector Adjacent Network
Access Complexity High
Authentication Single
Confidentiality Impact Partial
Integrity Impact None
Availability Impact Partial

Find out more about Red Hat support for the Common Vulnerability Scoring System (CVSS).

Red Hat Security Errata

Platform Errata Release Date
Red Hat Enterprise Linux 6 (libX11) RHSA-2014:1436 2014-10-13

Affected Packages State

Platform Package State
Red Hat Enterprise Linux 7 libX11 Not affected
Red Hat Enterprise Linux 5 libX11 Will not fix

Last Modified

CVE description copyright © 2017, The MITRE Corporation

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