oss-sec mailing list archives

CVE request: XSS in python paste


From: Raphael Geissert <geissert () debian org>
Date: Tue, 29 Jun 2010 18:21:55 -0500

Hi,

Quoting [1]:

Paste 1.7.4 is released.  The only real change is to paste.httpexceptions, 
which was using insecure quoting of some parameters and allowed an XSS 
hole, 
most specifically with its 404 messages.  The most notably WSGI 
application 
using this is paste.urlparse.StaticURLParser and PkgResourcesParser.  By 
directing someone to an appropriately formed URL an attacker can execute 
arbitrary Javascript on the victim's client.  paste.urlmap.URLMap is also 
affected, but only if you have no application attached to /.  Other 
applications using paste.httpexceptions may be effected (especially 
HTTPNotFound).  WebOb/webob.exc.HTTPNotFound is not affected. 

The commit fixing this bug appears to be:
http://bitbucket.org/ianb/paste/changeset/fcae59df8b56
Homepage:
http://pythonpaste.org/

Could a CVE be assigned?

Thanks in advance.

[1] http://groups.google.com/group/paste-
users/browse_thread/thread/3b3fff3dadd0b1e5?pli=1

Regards,
-- 
Raphael Geissert - Debian Developer
www.debian.org - get.debian.net



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