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Vulnerability of RSA Authentication Agent: Cross Site Scripting

Synthesis of the vulnerability 

The RSA Authentication Agent for Web product is impacted by a Cross Site Scripting attack.
Vulnerable software: ACE Agent.
Severity of this announce: 2/4.
Number of vulnerabilities in this bulletin: 3.
Creation date: 15/04/2005.
Revisions dates: 17/03/2008, 24/04/2008.
Références of this computer vulnerability: BID-13168, BID-28277, BID-28907, BID-38207, CVE-2005-1118, CVE-2008-1470, CVE-2008-2026, CVE-2008-2027, PR07-43, PR07-44, V6-RSAAUTHAGENTWEBXSS, VIGILANCE-VUL-4903.

Description of the vulnerability 

The RSA Authentication Agent for Web product can authenticate users through a web page. The /WebID/IISWebAgentIF.dll page is impacted by several vulnerabilities.

The "postdata" parameter, which is posted (HTTP POST), is not correctly filtered. [severity:1/4; BID-13168, CVE-2005-1118]

The "postdata" parameter can also be used in the url (HTTP GET), which leads to a Cross Site Scripting. [severity:2/4; BID-28277, BID-38207, CVE-2008-1470, CVE-2008-2026, PR07-44]

An attacker can user the "url" parameter to bypass domain restrictions. [severity:2/4; BID-28907, CVE-2008-2027, PR07-43]

A remote attacker can thus conduct a Cross Site Scripting attack using RSA Authentication Agent for Web.
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This vulnerability announce impacts software or systems such as ACE Agent.

Our Vigil@nce team determined that the severity of this cybersecurity threat is medium.

The trust level is of type confirmed by the editor, with an origin of document.

This bulletin is about 3 vulnerabilities.

An attacker with a expert ability can exploit this computer threat bulletin.

Solutions for this threat 

RSA Authentication Agen: version 5.3.3.378.
Version 5.3.3.378 is corrected:
  http://www.rsa.com/node.aspx?id=2807
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