full-disclosure - [ GLSA 200405-25 ] tla: Heap-based buffer overflow in included libneon

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From: koon at gentoo.org (Thierry Carrez)
Subject: [ GLSA 200405-25 ] tla: Heap-based buffer overflow in included libneon

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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@...too.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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