National Cyber-Alert System
Vulnerability Summary for CVE-2009-0233
Original release date:03/11/2009
Last revised:03/25/2009
Source:
US-CERT/NIST
Overview
The DNS Resolver Cache Service (aka DNSCache) in Windows DNS Server in Microsoft Windows 2000 SP4, Server 2003 SP1 and SP2, and Server 2008, when dynamic updates are enabled, does not reuse cached DNS responses in all applicable situations, which makes it easier for remote attackers to predict transaction IDs and poison caches by simultaneously sending crafted DNS queries and responses, aka "DNS Server Query Validation Vulnerability."
Impact
CVSS Severity (version 2.0):
Impact Subscore:
4.9
Exploitability Subscore:
8.6
CVSS Version 2 Metrics:
Access Vector: Network exploitable
Access Complexity: Medium
Authentication: Not required to exploit
Impact Type:Allows unauthorized modification; Allows disruption of service
References to Advisories, Solutions, and Tools
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US-CERT Technical Alert: TA09-069A
Name: TA09-069A
External Source: MS
Name: MS09-008
Type: Advisory; Patch Information
External Source: VUPEN
Name: ADV-2009-0661
External Source: SECTRACK
Name: 1021831
External Source: BID
Name: 33982
External Source: CONFIRM
Name: http://support.avaya.com/elmodocs2/security/ASA-2009-083.htm
External Source: SECUNIA
Name: 34217
External Source: OSVDB
Name: 52517
External Source: CONFIRM
Name: http://blogs.technet.com/srd/archive/2009/03/13/ms09-008-dns-and-wins-server-security-update-in-more-detail.aspx