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Vulnerability Details : CVE-2011-1966

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."
Publish Date : 2011-08-10 Last Update Date : 2011-10-04
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- CVSS Scores & Vulnerability Types

CVSS Score
10.0
Confidentiality Impact Complete (There is total information disclosure, resulting in all system files being revealed.)
Integrity Impact Complete (There is a total compromise of system integrity. There is a complete loss of system protection, resulting in the entire system being compromised.)
Availability Impact Complete (There is a total shutdown of the affected resource. The attacker can render the resource completely unavailable.)
Access Complexity Low (Specialized access conditions or extenuating circumstances do not exist. Very little knowledge or skill is required to exploit. )
Authentication Not required (Authentication is not required to exploit the vulnerability.)
Gained Access None
Vulnerability Type(s) Execute Code
CWE ID 20

- Related OVAL Definitions

Title Definition Id Class Family
DNS NAPTR Query Vulnerability oval:org.mitre.oval:def:12764 windows
OVAL (Open Vulnerability and Assessment Language) definitions define exactly what should be done to verify a vulnerability or a missing patch. Check out the OVAL definitions if you want to learn what you should do to verify a vulnerability.

- Products Affected By CVE-2011-1966

# Product Type Vendor Product Version Update Edition Language
1 OS Microsoft Windows Server 2008 SP2 X32 Version Details Vulnerabilities
2 OS Microsoft Windows Server 2008 SP2 X64 Version Details Vulnerabilities
3 OS Microsoft Windows Server 2008 R2 X64 Version Details Vulnerabilities
4 OS Microsoft Windows Server 2008 R2 SP1 X64 Version Details Vulnerabilities

- Number Of Affected Versions By Product

Vendor Product Vulnerable Versions
Microsoft Windows Server 2008 4

- References For CVE-2011-1966

http://technet.microsoft.com/en-us/security/bulletin/ms11-058
Microsoft Security Bulletin MS11-058 MS11-058 - Critical : Vulnerabilities in DNS Server Could Allow Remote Code Execution (2562485) - Version: 1.2 Severity Rating: Critical Revision Note: V1.2 (October 25, 2011): Announced a change to detection logic and corrected bulletin replacement information for some affected configurations. There were no changes to the security update files. See the Update FAQ for details. Summary: This security update resolves two privately reported vulnerabilities in Windows DNS server. The more severe of these vulnerabilities could allow remote code execution if an attacker registers a domain, creates an NAPTR DNS resource record, and then sends a specially crafted NAPTR query to the target DNS server. Servers that do not have the DNS role enabled are not at risk.Release Date:2011-10-25
http://www.us-cert.gov/cas/techalerts/TA11-221A.html
CERT TA11-221A

- Metasploit Modules Related To CVE-2011-1966

There are not any metasploit modules related to this vulnerability (Please visit www.metasploit.com for more information)


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