CVE-2009-0234

The DNS Resolver Cache Service (aka DNSCache) in Windows DNS Server in Microsoft Windows 2000 SP4, Server 2003 SP1 and SP2, and Server 2008 does not properly cache crafted DNS responses, which makes it easier for remote attackers to predict transaction IDs and poison caches by sending many crafted DNS queries that trigger "unnecessary lookups," aka "DNS Server Response Validation Vulnerability."

• CWE-20

• http://blogs.technet.com/srd/archive/2009/03/13/ms09-008-dns-and-wins-server-security-update-in-more-detail.aspx
• http://osvdb.org/52518
• http://secunia.com/advisories/34217
• http://support.avaya.com/elmodocs2/security/ASA-2009-083.htm
• http://www.kb.cert.org/vuls/id/319331US Government Resource
• http://www.securityfocus.com/bid/33988
• http://www.securitytracker.com/id?1021831
• http://www.us-cert.gov/cas/techalerts/TA09-069A.htmlUS Government Resource
• http://www.vupen.com/english/advisories/2009/0661
• https://docs.microsoft.com/en-us/security-updates/securitybulletins/2009/ms09-008
• https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A5715
• http://blogs.technet.com/srd/archive/2009/03/13/ms09-008-dns-and-wins-server-security-update-in-more-detail.aspx
• http://osvdb.org/52518
• http://secunia.com/advisories/34217
• http://support.avaya.com/elmodocs2/security/ASA-2009-083.htm
• http://www.kb.cert.org/vuls/id/319331US Government Resource
• http://www.securityfocus.com/bid/33988
• http://www.securitytracker.com/id?1021831
• http://www.us-cert.gov/cas/techalerts/TA09-069A.htmlUS Government Resource
• http://www.vupen.com/english/advisories/2009/0661
• https://docs.microsoft.com/en-us/security-updates/securitybulletins/2009/ms09-008
• https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A5715

Published

Mar 11, 2009

Last Modified

Jun 16, 2026

Status

Modified

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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