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Gentoo Linux Security Advisory                           GLSA 200804-07
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                                            http://security.gentoo.org/
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  Severity: High
     Title: PECL APC: Buffer Overflow
      Date: April 09, 2008
      Bugs: #214576
        ID: 200804-07

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Synopsis
========

A buffer overflow vulnerability in PECL APC might allow for the remote
execution of arbitrary code.

Background
==========

PECL Alternative PHP Cache (PECL APC) is a free, open, and robust
framework for caching and optimizing PHP intermediate code.

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

    -------------------------------------------------------------------
     Package            /   Vulnerable   /                  Unaffected
    -------------------------------------------------------------------
  1  dev-php5/pecl-apc      < 3.0.16-r1                   >= 3.0.16-r1

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

Daniel Papasian discovered a stack-based buffer overflow in the
apc_search_paths() function in the file apc.c when processing long
filenames.

Impact
======

A remote attacker could exploit this vulnerability to execute arbitrary
code in PHP applications that pass user-controlled input to the
include() function.

Workaround
==========

There is no known workaround at this time.

Resolution
==========

All PECL APC users should upgrade to the latest version:

    # emerge --sync
    # emerge --ask --oneshot --verbose
 ">=dev-php5/pecl-apc-3.0.16-r1"

References
==========

  [ 1 ] CVE-2008-1488
        http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2008-1488

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

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

  http://security.gentoo.org/glsa/glsa-200804-07.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 2008 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/2.5

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