Title: Microsoft ISA Server 2006 Radius OTP Security Bypass
Info
Disclosure
Jul 14, 2009
Discovery
Unknown
Dates
Exploit
Unknown
Solution
Unknown
Description
ISA Server 2006 contains a flaw that may allow a malicious user to bypass authentication. The issue is triggered when the server receives a request from a user agent that indicates a fall-back to HTTP-Basic authentication and ISA does not properly authenticate the request. It is possible that the flaw may allow unauthenticated access resulting in a loss of confidentiality, integrity, and/or availability.
Classification
Location:
Remote / Network Access
Attack Type:
Input Manipulation
Impact:
Loss of Integrity
Solution:
Patch / RCS
Disclosure:
Vendor Verified
OSVDB:
Web Related
Solution
Microsoft has released a patch to address this vulnerability.