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<?xml version="1.0" encoding="utf-8"?>
<glsa id="200801-11">
<title>CherryPy: Directory traversal vulnerability</title>
CherryPy is vulnerable to a directory traversal that could allow attackers
to read and write arbitrary files.
<product type="ebuild">cherrypy</product>
<announced>January 27, 2008</announced>
<revised>January 27, 2008: 01</revised>
<package name="dev-python/cherrypy" auto="yes" arch="*">
<unaffected range="rge">2.2.1-r2</unaffected>
<unaffected range="ge">3.0.2-r1</unaffected>
<vulnerable range="lt">3.0.2-r1</vulnerable>
CherryPy is a Python-based, object-oriented web development framework.
CherryPy does not sanitize the session id, provided as a cookie value,
in the FileSession._get_file_path() function before using it as part of
the file name.
<impact type="normal">
A remote attacker could exploit this vulnerability to read and possibly
write arbitrary files on the web server, or to hijack valid sessions,
by providing a specially crafted session id. This only affects
applications using file-based sessions.
Disable the "FileSession" functionality by using "PostgresqlSession" or
"RamSession" session management in your CherryPy application.
All CherryPy 2.2 users should upgrade to the latest version:
# emerge --sync
# emerge --ask --oneshot --verbose &quot;&gt;=dev-python/cherrypy-2.2.1-r2&quot;</code>
All CherryPy 3.0 users should upgrade to the latest version:
# emerge --sync
# emerge --ask --oneshot --verbose &quot;&gt;=dev-python/cherrypy-3.0.2-r1&quot;</code>
<uri link="">CVE-2008-0252</uri>
<metadata tag="requester" timestamp="Thu, 10 Jan 2008 20:11:50 +0000">
<metadata tag="submitter" timestamp="Sun, 20 Jan 2008 02:16:18 +0000">
<metadata tag="bugReady" timestamp="Sat, 26 Jan 2008 19:16:48 +0000">