CVE-2009-1135
First published: Wed 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."
Credit: secure@microsoft.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Microsoft Internet Security and Acceleration Server | =2006 | |
| Microsoft Internet Security and Acceleration Server | =2006-sp1 | |
| Microsoft Internet Security and Acceleration Server | =2006-supportability |
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Reference Links
- http://secunia.com/advisories/35784
- http://www.vupen.com/english/advisories/2009/1889
- http://www.securitytracker.com/id?1022547
- http://www.us-cert.gov/cas/techalerts/TA09-195A.html
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A5649
- https://docs.microsoft.com/en-us/security-updates/securitybulletins/2009/ms09-031
Frequently Asked Questions
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.
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.
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.
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.
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.
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