Illegal WEB-INF read vulnerability in Allair JRUN

Source: Internet
Author: User

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Illegal WEB-INF read vulnerability in Allair JRUN

A serious security vulnerability exists in Allaire JRUN server 2.3. It allows an attacker to view the WEB-INF directory on the JRun 3.0 server.

If a user makes a URL malformed by attaching a '/' when submitting a URL request, all subdirectories under the WEB-INF will be exposed. Attackers can exploit this vulnerability to gain remote access to all files in the WEB-INF directory of the target host system.

For example, using the following URL exposes all files under the WEB-INF:
Http://site.running.jrun: 8100 // WEB-INF/

Affected Systems:
Allaire JRun 3.0

Download and install the patch:
Allaire patch jr233p_ASB00_28_29
Windows 95/98/NT/2000 and Windows NT Alpha

Allaire patch jr233p_ASB00_28_29tar
UNIX/Linux patch-GNU gzip/tar

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