CVE-2009-2509 Code injection in n/a

Critical 9.0 Published 9 Dec 2009 Updated 7 Aug 2024

Remote authenticated users can execute arbitrary code on Windows Server via crafted HTTP requests to ADFS.

Exploited in the wild: Not known
Login needed: Any signed-in user
Attackable: Over the internet
Victim action needed: Not needed
Fix: None listed

What is CVE-2009-2509?

CVE-2009-2509 is a critical code injection vulnerability in Microsoft Windows Server 2003, published on 9 Dec 2009. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

Active Directory Federation Services (ADFS) in Microsoft Windows Server 2003 SP2 and Server 2008 Gold and SP2 does not properly validate headers in HTTP requests, which allows remote authenticated users to execute arbitrary code via a crafted request to an IIS web server, aka "Remote Code Execution in ADFS Vulnerability."

Weakness: CWE-20

Which versions are affected by CVE-2009-2509?

It affects 2 products.

Products include Microsoft Windows Server 2003, Microsoft Windows Server 2008.

How do I fix CVE-2009-2509?

No fix has been published for CVE-2009-2509 yet. Limit exposure of the affected software until one is available.

Upgrade, and never evaluate templates, expressions or code built from user input. More about Code injection.

Is CVE-2009-2509 being exploited?

There is no known exploitation of CVE-2009-2509 in the wild and no public exploit code.

All Microsoft Windows Server 2003 vulnerabilities

Sources

Also known as GHSA-3v4w-v493-36w7.