Date: Tue, 27 Jan 2004 16:41:33 +0000
From: Tim Yamin <plasmaroo@gentoo.org>
To: bugtraq@securityfocus.com, full-disclosure@lists.netsys.com,
Subject: [ GLSA 200401-03 ] Apache mod_python Denial of Service vulnerability
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Gentoo Linux Security Advisory GLSA 200401-03
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~ http://security.gentoo.org
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~ Severity: Low
~ Title: Apache mod_python Denial of Service vulnerability
~ Date: January 27, 2004
~ Bugs: #39154
~ ID: 200401-03
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Synopsis
========
Apache's mod_python module could crash the httpd process if a specific,
malformed query string was sent.
Background
==========
Mod_python is an Apache module that embeds the Python interpreter within
the server allowing Python-based web-applications to be created.
Description
===========
The Apache Foundation has reported that mod_python may be prone to
Denial of Service attacks when handling a malformed query. Mod_python
2.7.9 was released to fix the vulnerability, however, because the
vulnerability has not been fully fixed, version 2.7.10 has been released.
Users of mod_python 3.0.4 are not affected by this vulnerability.
Impact
======
Although there are no known public exploits known for this exploit,
users are recommended to upgrade mod_python to ensure the security of
their infrastructure.
Workaround
==========
Mod_python 2.7.10 has been released [ the release announcement is at
http://www.modpython.org/pipermail/mod_python/2004-January/014879.html ]
to solve this issue; there is no immediate workaround.
Resolution
==========
All users using mod_python 2.7.9 or below are recommended to update
their mod_python installation:
~ $> emerge sync
~ $> emerge -pv ">=dev-python/mod_python-2.7.10"
~ $> emerge ">=dev-python/mod_python-2.7.10"
~ $> /etc/init.d/apache restart
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.
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