Gentoo: Axel Vulnerability in HTTP redirection handling
Posted by Benjamin D. Thomas   
Gentoo A buffer overflow vulnerability has been found in Axel which could lead to the execution of arbitrary code.
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Gentoo Linux Security Advisory                           GLSA 200504-09
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                                            http://security.gentoo.org/
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  Severity: Normal
     Title: Axel: Vulnerability in HTTP redirection handling
      Date: April 12, 2005
      Bugs: #88264
        ID: 200504-09

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Synopsis
========

A buffer overflow vulnerability has been found in Axel which could lead
to the execution of arbitrary code.

Background
==========

Axel is a console-based FTP/HTTP download accelerator.

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

    -------------------------------------------------------------------
     Package        /  Vulnerable  /                        Unaffected
    -------------------------------------------------------------------
  1  net-misc/axel       < 1.0b                                >= 1.0b

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

A possible buffer overflow has been reported in the HTTP redirection
handling code in conn.c.

Impact
======

A remote attacker could exploit this vulnerability by setting up a
malicious site and enticing a user to connect to it. This could
possibly lead to the execution of arbitrary code with the permissions
of the user running Axel.

Workaround
==========

There is no known workaround at this time.

Resolution
==========

All Axel users should upgrade to the latest version:

    # emerge --sync
    # emerge --ask --oneshot --verbose ">=net-misc/axel-1.0b"

References
==========

  [ 1 ] CAN-2005-0390
        http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2005-0390

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

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

  http://security.gentoo.org/glsa/glsa-200504-09.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 2005 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/2.0