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Red Hat Bugzilla – Attachment 290919 Details for
Bug 427664
CVE-2008-0252 CherryPy: Malicious cookies may allow access to files outside the session directory
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[patch]
Backported fix
cherrypy-2.2.1-security-sessionfilter.patch (text/plain), 716 bytes, created by
Toshio Kuratomi
on 2008-01-06 17:08:43 UTC
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Description:
Backported fix
Filename:
MIME Type:
Creator:
Toshio Kuratomi
Created:
2008-01-06 17:08:43 UTC
Size:
716 bytes
patch
obsolete
>diff -up CherryPy-2.2.1/cherrypy/filters/sessionfilter.py.sessionfix CherryPy-2.2.1/cherrypy/filters/sessionfilter.py >--- CherryPy-2.2.1/cherrypy/filters/sessionfilter.py.sessionfix 2008-01-06 08:54:39.000000000 -0800 >+++ CherryPy-2.2.1/cherrypy/filters/sessionfilter.py 2008-01-06 08:55:31.000000000 -0800 >@@ -326,6 +326,8 @@ class FileStorage: > raise SessionStoragePathNotConfiguredError() > fileName = self.SESSION_PREFIX + id > file_path = os.path.join(storage_path, fileName) >+ if not os.path.normpath(filePath).startswith(storagePath): >+ raise cherrypy.HTTPError(400, "Invalid session id in cookie.") > return file_path > > def _lock_file(self, path):
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bug 427664
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