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MS11-058 - Critical : Vulnerabilities in DNS Server Could Allow Remote Code Execution (2562485) - Version: 1.2

MS11-058 Version 2011-10-25 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.
Bulletin details at Microsoft.com

Related CVE Entries

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# CVE ID CWE ID # of Exploits Vulnerability Type(s) Publish Date Update Date Score Gained Access Level Access Complexity Authentication Conf. Integ. Avail.
1 CVE-2011-1966 20 Exec Code 2011-08-10 2011-10-04
10.0
 None Remote Low Not required Complete Complete Complete
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."
2 CVE-2011-1970 119 DoS Overflow Mem. Corr. 2011-08-10 2011-10-04
5.0
 None Remote Low Not required None None Partial
The DNS server in Microsoft Windows Server 2003 SP2 and Windows Server 2008 SP2, R2, and R2 SP1 does not properly initialize memory, which allows remote attackers to cause a denial of service (service outage) via a query for a nonexistent domain, aka "DNS Uninitialized Memory Corruption Vulnerability."
Total number of vulnerabilities : 2

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