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PR10-13: Multiple XSS and Authentication flaws within BMC Remedy Knowledge Management

PR10-13: Multiple XSS and Authentication flaws within BMC Remedy
Knowledge Management

Vulnerability found: 17th July 2010

Vendor informed:

Vulnerability fixed:

Severity: High


BMC Remedy Knowledge Management provides service desk analysts with a
knowledge base of easy-to-find solutions and gives users self-service
search options to help them resolve issues on their own. ProCheckUp has
discovered that multiple Remedy Knowledge Management pages are
vulnerable to reflective XSS attacks, a built in self help account
allows for authentication bypass.

Version: 7.5.00    - http://www.bmc.com/

1) The following demonstrate the reflective XSS flaws





Works on IE - login screen referrer XSS

An attacker may be able to cause execution of malicious scripting code
in the browser of a user who clicks on a link to Remedy Knowledge
Management based site. Such code would run within the security context
of the target domain. This type of attack can result in non-persistent
defacement of the target site, or the redirection of confidential
information (i.e.: session IDs) to unauthorised third parties.

2) Remedy Knowledge  Management is vulnerable to authentication bypass
by using a built in default account. (user=Self%20Help)


The following directory requires a password to authenticate only

An attacker may be able to gain access to data held within a Remedy
Knowledge Managment based site.



Credits: Richard Brain of ProCheckUp Ltd (www.procheckup.com)

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