Vulnerability found:
11 June 2007

Vendor informed:
18 June 2007

Severity level:

Jan Fry and Adrian Pastor of ProCheckUp Ltd ( ProCheckUp thanks Sun for working with us.

Sun Java System Identity Manager login page is vulnerable to XSS within the "lang" parameter processed by the "/idm/login.jsp" server-side script.


An attacker may be able to cause execution of malicious scripting code in the browser of a user who clicks on a link to Sun Java System Identity Manager.
This type of attack can result in non-persistent defacement of the target site, or the redirection of confidential information to unauthorised third parties.
Note: the victim user does

Server environment

Sun Java System Identity Manager 6.0 (20061212 SP 2)


Apache Tomcat/5.0.28


need to be authenticated for this vulnerability to be exploitable.

Client environment

Microsoft Internet Explorer 7.0.5730.11
Sun has confirmed the following products to be affected by this issue:
Sun Java System Identity Manager 6.0, Sun Java System Identity Manager 7.0, Sun Java System Identity Manager 7.1



Proof of concept:
The provided PoC URL forwards the victim user's cookie to a third-party site ( in this case).
Injected payload:

How to fix:


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