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Re: CVE Request -- DokuWiki: XSS and CSRF due improper escaping of 'target' parameter in preprocessing edit form data
From: Kurt Seifried <kseifried () redhat com>
Date: Sun, 22 Apr 2012 22:46:26 -0600

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On 04/22/2012 11:24 AM, Jan Lieskovsky wrote:
Hello Kurt, Steve, vendors,

a cross-site scripting (XSS) and cross-site request forgery (CSRF) 
flaws were found in the way DokuWiki, a standards compliant, simple
to use Wiki, performed sanitization of the 'target' parameter when
preprocessing edit form data. A remote attacker could provide a
specially-crafted URL, which once visited by a valid DokuWiki user
would lead to arbitrary HTML or web script execution in the context
of logged in DokuWiki user.

References: [1] https://secunia.com/advisories/48848/ [2]
http://ircrash.com/uploads/dokuwiki.txt [3]
https://bugs.gentoo.org/show_bug.cgi?id=412891 [4]
http://bugs.dokuwiki.org/index.php?do=details&task_id=2487 
(upstream bug report for the XSS issue)

Please use CVE-2012-2129 for this issue.

[5] http://bugs.dokuwiki.org/index.php?do=details&task_id=2488 
(upstream bug report for the CSRF issue)

Please use CVE-2012-2128 for this issue

[6] https://bugzilla.redhat.com/show_bug.cgi?id=815122 (Red Hat
bugzilla entry)

Discovered by : Khashayar Fereidani

Proof of Concept URL: 
http://sitename/doku.php?do=edit&id=S9F8W2A&target=<script>alert(123)</script>



Could you allocate a 2012 CVE id for this issue? (one is enough
because only 'target' parameter isn't properly escaped, leading to
XSS or CSRF {see [2] for further examples})

Under ADT2:     Are X and Y different bug types? (e.g. buffer overflow,
SQL injection, NULL pointer dereference?) Yes: SPLIT them.

Thank you && Regards, Jan. -- Jan iankko Lieskovsky / Red Hat
Security Response Team


- -- 
Kurt Seifried Red Hat Security Response Team (SRT)
PGP: 0x5E267993 A90B F995 7350 148F 66BF 7554 160D 4553 5E26 7993

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