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CERT Coordination Center

Macromedia JRun Server contains an information disclosure vulnerability

Vulnerability Note VU#977440

Original Release Date: 2004-10-12 | Last Revised: 2004-10-12


An information disclosure vulnerability exists in the Macromedia JRun that may allow an attacker to view the source code of files in the web root directory.


Macromedia JRun is an application server that works with most popular web servers such as Apache and IIS. Macromedia states that JRun is deployed at over 10,000 organizations worldwide. JRun Server 4.0 contains an information disclosure vulnerability. A malicious user may be able to view the source code of a file by crafting a URL with the string ";.cfm" appended to it. According to Macromedia only the Microsoft IIS connector is affected by this vulnerability.


A remote attacker may be able to view the source code of any file.


Apply Patch

For JRun versions 3.0 / 3.1 a patch is available at:

JRun version 4.0 apply the latest updater:

Vendor Information


Macromedia Inc. Affected

Notified:  September 29, 2004 Updated: October 11, 2004



Vendor Statement

We have not received a statement from the vendor.

Vendor Information

The vendor has not provided us with any further information regarding this vulnerability.


The CERT/CC has no additional comments at this time.

If you have feedback, comments, or additional information about this vulnerability, please send us email.

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This vulnerability was reported in Macromedia Security Bulliten MPSB04-08.Macromedia credits iDefense for helping to discover and report this issue.

This document was written by Jeff Gennari.

Other Information

CVE IDs: None
Severity Metric: 2.79
Date Public: 2004-09-23
Date First Published: 2004-10-12
Date Last Updated: 2004-10-12 19:22 UTC
Document Revision: 55

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