[gentoo-announce] [ GLSA 200908-10 ] Dillo: User-assisted execution of arbitrary code

[news 28]

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Gentoo Linux Security Advisory GLSA 200908-10

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http://security.gentoo.org/

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Severity: Normal

Title: Dillo: User-assisted execution of arbitrary code

Date: August 18, 2009

Bugs: #276432

ID: 200908-10

 

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Synopsis

========

 

An integer overflow in the PNG handling of Dillo might result in the

remote execution of arbitrary code.

 

Background

==========

 

Dillo is a graphical web browser known for its speed and small

footprint.

 

Affected packages

=================

 

-------------------------------------------------------------------

Package / Vulnerable / Unaffected

-------------------------------------------------------------------

1 www-client/dillo < 2.1.1 >= 2.1.1

 

Description

===========

 

Tilei Wang reported an integer overflow in the Png_datainfo_callback()

function, possibly leading to a heap-based buffer overflow.

 

Impact

======

 

A remote attacker could entice a user to open an HTML document

containing a specially crafted, large PNG image, possibly resulting in

the execution of arbitrary code with the privileges of the user running

the application.

 

Workaround

==========

 

There is no known workaround at this time.

 

Resolution

==========

 

All Dillo users should upgrade to the latest version:

 

# emerge --sync

# emerge --ask --oneshot --verbose =www-client/dillo-2.1.1

 

References

==========

 

[ 1 ] CVE-2009-2294

http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2009-2294

 

Availability

============

 

This GLSA and any updates to it are available for viewing at

the Gentoo Security Website:

 

http://security.gentoo.org/glsa/glsa-200908-10.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 ( -at -) gentoo.org or alternatively, you may file a bug at

https://bugs.gentoo.org.

 

License

=======

 

Copyright 2009 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.

 

http://creativecommons.org/licenses/by-sa/2.5