GLSA 201801-04: LibXcursor: User-assisted execution of arbitrary code

Severity:normal
Title:LibXcursor: User-assisted execution of arbitrary code
Date:01/07/2018
Bugs: #639062
ID:201801-04

Synopsis

A vulnerability in LibXcursor might allow remote attackers to execute arbitrary code.

Background

X.Org X11 libXcursor runtime library.

Affected packages

Package Vulnerable Unaffected Architecture(s)
x11-libs/libXcursor < 1.1.15 >= 1.1.15 All supported architectures

Description

It was discovered that libXcursor is prone to several heap overflows when parsing malicious files.

Impact

A remote attacker, by enticing a user to process a specially crafted cursor file, could possibly execute arbitrary code with the privileges of the process or cause a Denial of Service condition.

Workaround

There is no known workaround at this time.

Resolution

All LibXcursor users should upgrade to the latest version:

      # emerge --sync
      # emerge --ask --oneshot --verbose ">=x11-libs/libXcursor-1.1.15"
    

References

Availability

This GLSA and any updates to it are available for viewing at the Gentoo Security Website: http://security.gentoo.org/glsa/glsa-201801-04.xml

Concerns?

Security is a primary focus of Gentoo Linux and ensuring the confidentiality and security of our users machines is of utmost importance to us. Any security concerns should be addressed to security@gentoo.org or alternatively, you may file a bug at https://bugs.gentoo.org.

License

Copyright 2010 Gentoo Foundation, Inc; referenced text belongs to its owner(s). The contents of this document are licensed under the Creative Commons - Attribution / Share Alike license.

Thank you!