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<?xml version="1.0" encoding="utf-8"?>
<!DOCTYPE glsa SYSTEM "http://www.gentoo.org/dtd/glsa.dtd">
<glsa id="200807-16">
<title>Python: Multiple vulnerabilities</title>
<synopsis>
Multiple vulnerabilities in Python may allow for the execution of arbitrary
code.
</synopsis>
<product type="ebuild">python</product>
<announced>2008-07-31</announced>
<revised count="02">2009-07-19</revised>
<bug>230640</bug>
<bug>232137</bug>
<access>remote</access>
<affected>
<package name="dev-lang/python" auto="yes" arch="*">
<unaffected range="rge">2.4.4-r14</unaffected>
<unaffected range="ge">2.5.2-r6</unaffected>
<unaffected range="rge">2.4.6</unaffected>
<vulnerable range="lt">2.5.2-r6</vulnerable>
</package>
</affected>
<background>
<p>
Python is an interpreted, interactive, object-oriented programming
language.
</p>
</background>
<description>
<p>
Multiple vulnerabilities were discovered in Python:
</p>
<ul>
<li>
David Remahl of Apple Product Security reported several integer
overflows in core modules such as stringobject, unicodeobject,
bufferobject, longobject, tupleobject, stropmodule, gcmodule,
mmapmodule (CVE-2008-2315).
</li>
<li>
David Remahl of Apple Product Security also reported an integer
overflow in the hashlib module, leading to unreliable cryptographic
digest results (CVE-2008-2316).
</li>
<li>
Justin Ferguson reported multiple buffer overflows in unicode string
processing that only affect 32bit systems (CVE-2008-3142).
</li>
<li>
The Google Security Team reported multiple integer overflows
(CVE-2008-3143).
</li>
<li>
Justin Ferguson reported multiple integer underflows and overflows in
the PyOS_vsnprintf() function, and an off-by-one error when passing
zero-length strings, leading to memory corruption (CVE-2008-3144).
</li>
</ul>
</description>
<impact type="normal">
<p>
A remote attacker could exploit these vulnerabilities in Python
applications or daemons that pass user-controlled input to vulnerable
functions. Exploitation might lead to the execution of arbitrary code
or a Denial of Service. Vulnerabilities within the hashlib might lead
to weakened cryptographic protection of data integrity or authenticity.
</p>
</impact>
<workaround>
<p>
There is no known workaround at this time.
</p>
</workaround>
<resolution>
<p>
All Python 2.4 users should upgrade to the latest version:
</p>
<code>
# emerge --sync
# emerge --ask --oneshot --verbose ">=dev-lang/python-2.4.4-r14"</code>
<p>
All Python 2.5 users should upgrade to the latest version:
</p>
<code>
# emerge --sync
# emerge --ask --oneshot --verbose ">=dev-lang/python-2.5.2-r6"</code>
<p>
Please note that Python 2.3 is masked since June 24, and we will not be
releasing updates to it. It will be removed from the tree in the near
future.
</p>
</resolution>
<references>
<uri link="https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2008-2315">CVE-2008-2315</uri>
<uri link="https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2008-2316">CVE-2008-2316</uri>
<uri link="https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2008-3142">CVE-2008-3142</uri>
<uri link="https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2008-3143">CVE-2008-3143</uri>
<uri link="https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2008-3144">CVE-2008-3144</uri>
</references>
<metadata tag="submitter" timestamp="2008-07-31T15:42:37Z">
rbu
</metadata>
<metadata tag="bugReady" timestamp="2008-07-31T15:45:02Z">
rbu
</metadata>
</glsa>
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