[ GLSA 200802-10 ] Python: PCRE Integer overflow

2008-02-2600:00:00

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Gentoo Linux Security Advisory GLSA 200802-10

                                        http://security.gentoo.org/

Severity: Normal
Title: Python: PCRE Integer overflow
Date: February 23, 2008
Bugs: #198373
ID: 200802-10

Synopsis

A vulnerability within Python's copy of PCRE might lead to the
execution of arbitrary code.

Background

Python is an interpreted, interactive, object-oriented programming
language.

Affected packages

-------------------------------------------------------------------
 Package          /  Vulnerable  /                      Unaffected
-------------------------------------------------------------------

1 dev-lang/python < 2.3.6-r4 >= 2.3.6-r4

Description

Python 2.3 includes a copy of PCRE which is vulnerable to an integer
overflow vulnerability, leading to a buffer overflow.

Impact

An attacker could exploit the vulnerability by tricking a vulnerable
Python application to compile a regular expressions, which could
possibly lead to the execution of arbitrary code, a Denial of Service
or the disclosure of sensitive information.

Workaround

There is no known workaround at this time.

Resolution

All Python 2.3 users should upgrade to the latest version:

# emerge --sync
# emerge --ask --oneshot --verbose &quot;&gt;=dev-lang/python-2.3.6-r4&quot;

References

[ 1 ] CVE-2006-7228
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2006-7228
[ 2 ] GLSA 200711-30
http://www.gentoo.org/security/en/glsa/glsa-200711-30.xml

Availability

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

http://security.gentoo.org/glsa/glsa-200802-10.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
[email protected] or alternatively, you may file a bug at
http://bugs.gentoo.org.