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<?xml version="1.0" encoding="utf-8"?>
<!DOCTYPE glsa SYSTEM "http://www.gentoo.org/dtd/glsa.dtd">
<glsa id="200509-08">
<title>Python: Heap overflow in the included PCRE library</title>
<synopsis>
The "re" Python module is vulnerable to a heap overflow, possibly leading
to the execution of arbitrary code.
</synopsis>
<product type="ebuild">Python</product>
<announced>September 12, 2005</announced>
<revised>September 12, 2005: 01</revised>
<bug>104009</bug>
<access>remote</access>
<affected>
<package name="dev-lang/python" auto="yes" arch="*">
<unaffected range="ge">2.3.5-r2</unaffected>
<vulnerable range="lt">2.3.5-r2</vulnerable>
</package>
</affected>
<background>
<p>
Python is an interpreted, interactive, object-oriented,
cross-platform programming language. The "re" Python module provides
regular expression functions.
</p>
</background>
<description>
<p>
The "re" Python module makes use of a private copy of libpcre
which is subject to an integer overflow leading to a heap overflow (see
GLSA 200508-17).
</p>
</description>
<impact type="normal">
<p>
An attacker could target a Python-based web application (or SUID
application) that would use untrusted data as regular expressions,
potentially resulting in the execution of arbitrary code (or privilege
escalation).
</p>
</impact>
<workaround>
<p>
Python users that don't run any Python web application or SUID
application (or that run one that wouldn't use untrusted inputs as
regular expressions) are not affected by this issue.
</p>
</workaround>
<resolution>
<p>
All Python users should upgrade to the latest version:
</p>
<code>
# emerge --sync
# emerge --ask --oneshot --verbose &quot;&gt;=dev-lang/python-2.3.5-r2&quot;</code>
</resolution>
<references>
<uri link="http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2005-2491">CAN-2005-2491</uri>
<uri link="/security/en/glsa/glsa-200508-17.xml">GLSA 200508-17</uri>
</references>
<metadata tag="requester" timestamp="Sat, 10 Sep 2005 18:18:03 +0000">
koon
</metadata>
<metadata tag="bugReady" timestamp="Sun, 11 Sep 2005 15:37:16 +0000">
koon
</metadata>
<metadata tag="submitter" timestamp="Sun, 11 Sep 2005 18:47:02 +0000">
koon
</metadata>
</glsa>