CVE-2011-1966 Memory corruption in n/a

Critical 10.0 Published 10 Aug 2011 Updated 6 Aug 2024

Remote attackers can execute arbitrary code on Windows Server DNS by sending crafted NAPTR queries that trigger recursive processing errors.

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

What is CVE-2011-1966?

CVE-2011-1966 is a critical memory corruption vulnerability in Microsoft Windows Server 2008, published on 10 Aug 2011. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

The DNS server in Microsoft Windows Server 2008 SP2, R2, and R2 SP1 does not properly handle NAPTR queries that trigger recursive processing, which allows remote attackers to execute arbitrary code via a crafted query, aka "DNS NAPTR Query Vulnerability."

Weakness: CWE-20

Which versions are affected by CVE-2011-1966?

It affects 1 product.

Products include Microsoft Windows Server 2008.

How do I fix CVE-2011-1966?

No fix has been published for CVE-2011-1966 yet. Limit exposure of the affected software until one is available.

Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.

Is CVE-2011-1966 being exploited?

There is no known exploitation of CVE-2011-1966 in the wild and no public exploit code.

All Microsoft Windows Server 2008 vulnerabilities

Sources

Also known as GHSA-957w-cpvh-vjg7.