CVE-2009-1135: Critical severity microsoft internet security and acceleration server vulnerability

Published Jul 15, 2009
·
Updated

Microsoft Internet Security and Acceleration (ISA) Server 2006 Gold and SP1, when Radius OTP is enabled, uses the HTTP-Basic authentication method, which allows remote attackers to gain the privileges of an arbitrary account, and access published web pages, via vectors involving attempted access to a network resource behind the ISA Server, aka "Radius OTP Bypass Vulnerability."

Affected Software

3 affected components
Microsoft ISA Server=2006
Microsoft ISA Server=2006-sp1
Microsoft ISA Server=2006-supportability

Event History

Jul 15, 2009
CVE Published
via MITRE·03:00 PM
Data Sourced
via MITRE·03:00 PM
Description
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Frequently Asked Questions

1

What is the severity of CVE-2009-1135?

CVE-2009-1135 is considered a critical vulnerability due to its potential to allow unauthorized access to sensitive web pages.

2

How do I fix CVE-2009-1135?

To mitigate CVE-2009-1135, it is recommended to disable HTTP-Basic authentication and implement more secure authentication methods.

3

Which software is affected by CVE-2009-1135?

CVE-2009-1135 affects Microsoft Internet Security and Acceleration (ISA) Server 2006, including its SP1 and supportability versions.

4

Can CVE-2009-1135 lead to credential theft?

Yes, CVE-2009-1135 can lead to credential theft as attackers can exploit the vulnerability to gain privileges of arbitrary accounts.

5

Is there a workaround for CVE-2009-1135?

A possible workaround for CVE-2009-1135 is to restrict access to the ISA Server from untrusted networks while awaiting a patch.

Contact

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