sbb-xss.txt

` 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  
  
  
`