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[ GLSA 200405-25 ] tla: Heap-based buffer overflow in included libneon
From: Thierry Carrez <koon () gentoo org>
Date: Sun, 30 May 2004 23:09:08 +0200

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Gentoo Linux Security Advisory                           GLSA 200405-25
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                                            http://security.gentoo.org/
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  Severity: Normal
     Title: tla: Heap-based buffer overflow in included libneon
      Date: May 30, 2004
      Bugs: #51586
        ID: 200405-25

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Synopsis
========

tla includes a vulnerable version of the neon library.

Background
==========

GNU Arch (tla) is a revision control system suited for widely
distributed development.

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

    -------------------------------------------------------------------
     Package       /    Vulnerable    /                     Unaffected
    -------------------------------------------------------------------
  1  dev-util/tla      < 1.2.1_pre1                      >= 1.2.1_pre1

Description
===========

Stefan Esser discovered a vulnerability in the code of the neon library
(GLSA 200405-13): if a malicious date string is passed to the
ne_rfc1036_parse() function, it can trigger a string overflow into
static heap variables. tla includes it's own version of the library.

Impact
======

When connected to a malicious WebDAV server, this vulnerability could
allow execution of arbitrary code with the rights of the user running
tla.

Workaround
==========

There is no known workaround at this time.

Resolution
==========

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

    # emerge sync

    # emerge -pv ">=dev-util/tla-1.2.1_pre1"
    # emerge ">=dev-util/tla-1.2.1_pre1"

References
==========

  [ 1 ] GLSA 200405-13
        http://www.gentoo.org/security/en/glsa/glsa-200405-13.xml

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

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

     http://security.gentoo.org/glsa/glsa-200405-25.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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