Bug: XSS in Microsoft SharePoint ( Ascii Version )

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XSS in Microsoft SharePoint

Published
Credit
Risk
2007.05.12
ville solarius
Low
CWE
CVE
Local
Remote
CWE-79
CVE-2007-2581
No
Yes

CVSS Base Score
Impact Subscore
Exploitability Subscore
4.3/10
2.9/10
8.6/10
Exploit range
Attack complexity
Authentication
Remote
Medium
No required
Confidentiality impact
Integrity impact
Availability impact
None
Partial
None

Tried and failed.
Exactly how have you configured your test SP site?

-----Original Message-----
From: ville.solarius (at) gmail (dot) com [email concealed] [mailto:ville.solarius (at) gmail (dot) com [email
concealed]]
Sent: Friday, May 04, 2007 3:01 PM
To: bugtraq (at) securityfocus (dot) com [email concealed]
Subject: XSS in Microsoft SharePoint

Hi!
I think this is a XSS in MS SharePoint, you can reproduce it in
SharePoint test server using for example following url:

http://www.example.com/sharepoint/default.aspx/%22);}if(true){alert(%22q

wertytis

This is due a lack of string stripping when putting the path into
javascript.

It seems to work at least on every main page.

I tried to check for this in the web, but I didn't found this hole
anywhere.

--
Regards,
Solarius - http://www.solarius.name

All mail to and from this domain is GFI-scanned.

See this note in TXT Version

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Ascii Version