CVE-2011-1966: Input Validation
First published: Wed Aug 10 2011(Updated: )
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."
Credit: secure@microsoft.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Microsoft Windows Server | =sp2 | |
| Microsoft Windows Server | =r2 | |
| Microsoft Windows Server | =sp2 |
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Reference Links
Frequently Asked Questions
What is the severity of CVE-2011-1966?
CVE-2011-1966 is rated as Critical due to its potential for remote code execution.
How can I fix CVE-2011-1966?
To fix CVE-2011-1966, apply the appropriate security update provided by Microsoft for your affected version of Windows Server.
What systems are affected by CVE-2011-1966?
CVE-2011-1966 affects Microsoft Windows Server 2008 SP2, R2, and R2 SP1.
What type of attack does CVE-2011-1966 allow?
CVE-2011-1966 allows remote attackers to execute arbitrary code through crafted DNS NAPTR queries.
Is there a workaround for CVE-2011-1966?
There are no known effective workarounds for CVE-2011-1966; patching is strongly recommended.
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