full-disclosure - [ GLSA 200909-03 ] Apache Portable Runtime, APR Utility Library: Execution of arbitrary code

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Date: Wed, 9 Sep 2009 15:18:46 +0200
From: Alex Legler <a3li@...too.org>
To: gentoo-announce@...too.org
Cc: full-disclosure@...ts.grok.org.uk, bugtraq@...urityfocus.com,
	security-alerts@...uxsecurity.com
Subject: [ GLSA 200909-03 ] Apache Portable Runtime,
 APR Utility Library: Execution of arbitrary code

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Gentoo Linux Security Advisory                           GLSA 200909-03
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                                            http://security.gentoo.org/
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  Severity: Normal
     Title: Apache Portable Runtime, APR Utility Library: Execution of
            arbitrary code
      Date: September 09, 2009
      Bugs: #280514
        ID: 200909-03

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Synopsis
========

Multiple integer overflows in the Apache Portable Runtime and its
Utility Library might allow for the remote execution of arbitrary code.

Background
==========

The Apache Portable Runtime (aka APR) provides a set of APIs for
creating platform-independent applications. The Apache Portable Runtime
Utility Library (aka APR-Util) provides an interface to functionality
such as XML parsing, string matching and databases connections.

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

    -------------------------------------------------------------------
     Package            /  Vulnerable  /                    Unaffected
    -------------------------------------------------------------------
  1  dev-libs/apr            < 1.3.8                          >= 1.3.8
  2  dev-libs/apr-util       < 1.3.9                          >= 1.3.9
    -------------------------------------------------------------------
     2 affected packages on all of their supported architectures.
    -------------------------------------------------------------------

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

Matt Lewis reported multiple Integer overflows in the apr_rmm_malloc(),
apr_rmm_calloc(), and apr_rmm_realloc() functions in misc/apr_rmm.c of
APR-Util and in memory/unix/apr_pools.c of APR, both occurring when
aligning memory blocks.

Impact
======

A remote attacker could entice a user to connect to a malicious server
with software that uses the APR or act as a malicious client to a
server that uses the APR (such as Subversion or Apache servers),
possibly resulting in the execution of arbitrary code with the
privileges of the user running the application.

Workaround
==========

There is no known workaround at this time.

Resolution
==========

All Apache Portable Runtime users should upgrade to the latest version:

    # emerge --sync
    # emerge --ask --oneshot --verbose =dev-libs/apr-1.3.8

All APR Utility Library users should upgrade to the latest version:

    # emerge --sync
    # emerge --ask --oneshot --verbose =dev-libs/apr-util-1.3.9

References
==========

  [ 1 ] CVE-2009-2412
        http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2009-2412

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

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

  http://security.gentoo.org/glsa/glsa-200909-03.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
https://bugs.gentoo.org.

License
=======

Copyright 2009 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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