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[DSECRG-09-008] JOnAS (Java Open Application Server) 4.10.3 - Linked XSS Vulnerability

JOnAS is a leading edge Open Source implementation by OW2 of the Java EE specification.

Linked XSS vulnerability found in JOnAS engine.
Using this vulnerability attacker can steal administrator's cookie and then authenticate as administrator or perform certain administrative actions.

Application: JOnAS (Java Open Application Server)
Versions Affected: JOnAS(4.10.3) / Apache Tomcat (5.5.26)
Vendor URL:
Bugs: Linked XSS
Exploits: YES
Reported: 21.01.2009
Vendor response: NONE
Second Reported: 29.01.2009
Vendor response: NONE
Date of Public Advisory: 25.02.2009
Author: Digital Security Research Group [DSecRG] (research [at] dsecrg [dot] com)


Linked XSS vulnerabilities found in script vulnerable parameter select.

In normal case "select" parameter looks like this:


when we try to include another variable with te same name, for example like this:


So we will see the error page which will tell us that "j2eeType" variable are also defined.
When we include javascipt code into variable name it will appear in error page:





No patches aviable.
We did not get any response from vendor for more than 2 weeks.


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

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