high
7.5
CWE
189 119
Advisory Published
Updated

CVE-2013-7439: Buffer Overflow

First published: Thu Apr 16 2015(Updated: )

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.

Credit: security@ubuntu.com

Affected SoftwareAffected VersionHow to fix
SUSE LibX11-6 (32-bit)=1.0.1
SUSE LibX11-6 (32-bit)=1.0.2
SUSE LibX11-6 (32-bit)=1.0.3
SUSE LibX11-6 (32-bit)=1.1
SUSE LibX11-6 (32-bit)=1.1-rc1
SUSE LibX11-6 (32-bit)=1.1-rc2
SUSE LibX11-6 (32-bit)=1.1.4
SUSE LibX11-6 (32-bit)=1.1.5
SUSE LibX11-6 (32-bit)=1.1.6
SUSE LibX11-6 (32-bit)=1.1.99.1
SUSE LibX11-6 (32-bit)=1.1.99.2
SUSE LibX11-6 (32-bit)=1.2
SUSE LibX11-6 (32-bit)=1.2.1
SUSE LibX11-6 (32-bit)=1.2.2
SUSE LibX11-6 (32-bit)=1.3
SUSE LibX11-6 (32-bit)=1.3.1
SUSE LibX11-6 (32-bit)=1.3.2
SUSE LibX11-6 (32-bit)=1.3.3
SUSE LibX11-6 (32-bit)=1.3.4
SUSE LibX11-6 (32-bit)=1.3.5
SUSE LibX11-6 (32-bit)=1.3.6
SUSE LibX11-6 (32-bit)=1.3.99.901
SUSE LibX11-6 (32-bit)=1.3.99.902
SUSE LibX11-6 (32-bit)=1.3.99.903
SUSE LibX11-6 (32-bit)=1.4.0
SUSE LibX11-6 (32-bit)=1.4.1
SUSE LibX11-6 (32-bit)=1.4.2
SUSE LibX11-6 (32-bit)=1.4.3
SUSE LibX11-6 (32-bit)=1.4.4
SUSE LibX11-6 (32-bit)=1.4.99.901
SUSE LibX11-6 (32-bit)=1.4.99.902
SUSE LibX11-6 (32-bit)=1.5.0
SUSE LibX11-6 (32-bit)=1.5.99.901
SUSE LibX11-6 (32-bit)=1.5.99.902
Ubuntu=12.04
Ubuntu=14.04
Ubuntu=14.10
Debian=7.0
Oracle Xorg-x11-drv-void=6.0
Oracle Xorg-x11-drv-void=6.1
Oracle Xorg-x11-drv-void=6.3
Oracle Xorg-x11-drv-void=6.4
Oracle Xorg-x11-drv-void=6.5.1
Oracle Xorg-x11-drv-void=6.6
Oracle Xorg-x11-drv-void=6.7
Oracle Xorg-x11-drv-void=6.8.0
Oracle Xorg-x11-drv-void=6.8.1
Oracle Xorg-x11-drv-void=6.8.2
Oracle Xorg-x11-drv-void=6.9

Remedy

http://lists.x.org/archives/xorg-announce/2015-April/002561.html

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Reference Links

Frequently Asked Questions

  • What is the severity of CVE-2013-7439?

    CVE-2013-7439 is considered to have a high severity due to its potential to cause buffer overflow vulnerabilities.

  • How do I fix CVE-2013-7439?

    To mitigate CVE-2013-7439, update libX11 to version 1.6.0 or later, or apply available patches for the affected versions.

  • What are the affected versions for CVE-2013-7439?

    CVE-2013-7439 affects libX11 versions prior to 1.6.0, including specific versions like 1.0.1 to 1.5.99.902.

  • Can CVE-2013-7439 be exploited remotely?

    Yes, CVE-2013-7439 can be exploited remotely by sending crafted requests to the vulnerable application.

  • What applications use libX11 and may be affected by CVE-2013-7439?

    Applications that rely on X.Org's libX11 for graphical user interface functionality may be affected by CVE-2013-7439.

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