bugtraq - SonicBB version 1.0 XSS Attack Vulnerabilities

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Date: 14 May 2007 12:25:24 -0000
From: securityresearch@...vigilance.com
To: bugtraq@...urityfocus.com
Subject: SonicBB version 1.0 XSS Attack Vulnerabilities

	netVigilance Security Advisory #20

SonicBB version 1.0 XSS Attack Vulnerabilities 

Description:
SonicBB is a user-friendly and fully customizable bulletin board package. SonicBB is compatible with any web server/operating system combo with PHP 4.x or higher installed.SonicBB is the ideal community software for all sites.

This vulnerabilities can be exploited only when PHP magic_quotes_gpc = Off.

External References: 
Mitre CVE:  CVE-2007-1903
NVD NIST: CVE-2007-1903
OSVDB: 34042

Summary: 
SonicBB is a user-friendly and fully customizable bulletin board package. SonicBB is compatible with any web server/operating system combo with PHP 4.x or higher installed. SonicBB is the ideal community software for all sites.  
Security problem in the product allows attackers to commit XSS attacks.

Advisory URL: 
http://www.netvigilance.com/advisory0020

Release Date:
05/14/2007 

Severity:
Risk: Medium

CVSS Metrics
Access Vector: Remote
Access Complexity: High
Authentication: Not-required
Confidentiality Impact: Partial
Integrity Impact: Partial
Availability Impact: Partial
Impact Bias: Normal
CVSS Base Score: 5.6

Target Distribution on Internet: Low

Exploitability: Functional Exploit
Remediation Level: Workaround
Report Confidence: Confirmed

Vulnerability Impact: Attack
Host Impact: XSS Attack.

SecureScout Testcase ID:
TC 17944
Vulnerable Systems:
SonicBB version 1.0

Vulnerability Type:
XSS (Cross-Site Scripting) to force a web-site to display malicious contents to the target, by sending a specially crafted request to the web-site. The vulnerable web-site is not the target of attack but is used as a tool for the hacker in the attack of the victim.

Vendor:
iScripts
Vendor Status: 
Contact with the Vendor was established and draft of the security advisory was provided on 10 April  2007, the vendor promised to fix the issue but stopped responding to our emails on 10 April  2007. There is no official fix at the release of this Security Advisory 
Workaround:
Modify in the php.ini file following line: magic_quotes_gpc = Off.
Example: 
REQUEST:
http://[TARGET]/[PRODUCT-DIRECTORY]/search.php?query=1&part=post`<> '' UNION SELECT `id`,'<script>alert(document.cookie)</script>',1,1,1,1,`username` FROM `users` WHERE id=1%23
REPLY:
Will execute <script>alert(document.cookie)</script>
Credits: 
Jesper Jurcenoks
Co-founder netVigilance, Inc
www.netvigilance.com