GLSA 200405-13: neon heap-based buffer overflow
Posted on: 05/21/2004 01:21 AM

A neon update is available for Gentoo Linux

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Gentoo Linux Security Advisory GLSA 200405-13
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http://security.gentoo.org/
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Severity: Normal
Title: neon heap-based buffer overflow
Date: May 20, 2004
Bugs: #51490
ID: 200405-13

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Synopsis
=======

A vulnerability potentially allowing remote execution of arbitrary code has been discovered in the neon library.

Background
=========

neon provides an HTTP and WebDAV client library.

Affected packages
================

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Package / Vulnerable / Unaffected
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1 net-misc/neon <= 0.24.5 >= 0.24.6

Description
==========

Stefan Esser discovered a vulnerability in the code of the neon library: if a malicious date string is passed to the ne_rfc1036_parse() function, it can trigger a string overflow into static heap variables.

Impact
=====

Depending on the application linked against libneon and when connected to a malicious WebDAV server, this vulnerability could allow execution of arbitrary code with the rights of the user running that application.

Workaround
=========

There is no known workaround at this time. All users are advised to upgrade to the latest available version of neon.

Resolution
=========

All users of neon should upgrade to the latest stable version:

# emerge sync

# emerge -pv ">=net-misc/neon-0.24.6"
# emerge ">=net-misc/neon-0.24.6"

References
=========

[ 1 ] E-matters advisory 06/2004
http://security.e-matters.de/advisories/062004.html
[ 2 ] CAN-2004-0398
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2004-0398

Availability
===========

This GLSA and any updates to it are available for viewing at the Gentoo Security Website:

http://security.gentoo.org/glsa/glsa-200405-13.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 http://bugs.gentoo.org.

License
======

Copyright 2004 Gentoo Technologies, 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/1.0


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