full-disclosure - [ GLSA 200406-22 ] Pavuk: Remote buffer overflow

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Message-ID: <20040630003556.GR18023@mail.lieber.org>
From: klieber at gentoo.org (Kurt Lieber)
Subject: [ GLSA 200406-22 ] Pavuk: Remote buffer overflow

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Gentoo Linux Security Advisory                           GLSA 200406-22
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                                            http://security.gentoo.org/
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  Severity: High
     Title: Pavuk: Remote buffer overflow
      Date: June 30, 2004
        ID: 200406-22

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Synopsis
========

Pavuk contains a bug potentially allowing an attacker to run arbitrary
code.

Background
==========

Pavuk is web spider and website mirroring tool.

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

    -------------------------------------------------------------------
     Package         /    Vulnerable    /                   Unaffected
    -------------------------------------------------------------------
  1  net-misc/pavuk      <= 0.9.28-r1                     >= 0.9.28-r2

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

When Pavuk connects to a web server and the server sends back the HTTP
status code 305 (Use Proxy), Pavuk copies data from the HTTP Location
header in an unsafe manner.

Impact
======

An attacker could cause a stack-based buffer overflow which could lead
to arbitrary code execution with the rights of the user running Pavuk.

Workaround
==========

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

Resolution
==========

All Pavuk users should upgrade to the latest stable version:

    # emerge sync

    # emerge -pv ">=net-misc/pavuk-0.9.28-r2"
    # emerge ">="net-misc/pavuk-0.9.28-r2

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

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

     http://security.gentoo.org/glsa/glsa-200406-22.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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