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If through a vulnerability assessment, a network security issue is detected for the vulnerability below, applying the appropriate security patches in a timely matter is very important. If you have detected that your system has already been compromised, following CERT's Network Security recovery document will assist with recommended steps for system recovery.

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Vulnerability Assessment Details

IMP Content-Type XSS Vulnerability

Vulnerability Assessment Summary
Checks for Content-Type XSS Vulnerability in IMP

Detailed Explanation for this Vulnerability Assessment

The remote server is running at least one instance of IMP whose version
number is between 2.0 and 3.2.3 inclusive. Such versions are vulnerable
to a cross-scripting attack whereby a possible hacker may be able to cause a
victim to unknowingly run arbitrary Javascript code simply by reading a
MIME message with a specially crafted Content-Type header.

For information about the vulnerability, including exploits, see :

- http://www.rs-labs.com/adv/RS-Labs-Advisory-2004-2.txt
- http://www.rs-labs.com/adv/RS-Labs-Advisory-2004-1.txt

Note : Nessus has acertaind the vulnerability exists on the target
simply by looking at the version number of IMP installed there
it has
not attempted to actually exploit the vulnerability.

Solution : Upgrade to IMP version 3.2.4 or later.
Network Security Threat Level: High

Networks Security ID: 10501

Vulnerability Assessment Copyright: This script is Copyright (C) 2004 George A. Theall

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