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PECL APC: Buffer Overflow



PECL APC: Buffer Overflow
PECL APC: Buffer Overflow



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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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