Microsoft Windows DNS Service Cache Poisoning Vulnerability - Secunia Advisories - Vulnerability Intelligence

Microsoft Windows DNS Service Cache Poisoning Vulnerability
Secunia Advisory:	SA27584	Advisory Toolbox: Issue ticket Save in to-do list Mark as handled Exploit information Download as PDF Review actions Add comment
Release Date:	2007-11-13
Last Update:	2007-11-14
Popularity:	13,273 views

Critical:	Moderately critical
Impact:	Spoofing
Where:	From remote
Solution Status:	Vendor Patch

OS:	Microsoft Windows 2000 Advanced Server Microsoft Windows 2000 Datacenter Server Microsoft Windows 2000 Server Microsoft Windows Server 2003 Datacenter Edition Microsoft Windows Server 2003 Enterprise Edition Microsoft Windows Server 2003 Standard Edition Microsoft Windows Server 2003 Web Edition

Subscribe:	Instant alerts on relevant vulnerabilities

CVE reference:	CVE-2007-3898

Description: A vulnerability has been reported in Microsoft Windows, which can be exploited by malicious people to poison the DNS cache. The vulnerability is caused due to the DNS service (dns.exe) using predictable transaction values when sending out queries to upstream DNS servers. This can be exploited to poison the DNS cache via a specially crafted DNS response with a guessed transaction value when the DNS server performs a recursive lookup. Solution: Apply patches. Microsoft Windows 2000 Server SP4: http://www.microsoft.com/downloads/de...=c80fcd9b-d0f8-44db-96fc-bf2ead054ff4 Windows Server 2003 SP1/SP2: http://www.microsoft.com/downloads/de...=ed8e2cb4-bcd9-40fc-9ad6-46b364d0656d Windows Server 2003 x64 Edition (optionally with SP2): http://www.microsoft.com/downloads/de...=d1323e14-ffa7-4d03-a2a7-9240c192a75e Windows Server 2003 with SP1/SP2 for Itanium-based systems: http://www.microsoft.com/downloads/de...=f3ad67de-85ad-452d-a1e0-0af3faf969d6 Provided and/or discovered by: The vendor credits: * Amit Klein, Trusteer. * Alla Berzroutchko, Scanit. Changelog: 2007-11-14: Added link to US-CERT. Added link to Scanit. Original Advisory: MS07-062 (KB941672): http://www.microsoft.com/technet/security/Bulletin/MS07-062.mspx Scanit: http://www.scanit.be/advisory-2007-11-14.html Other References: US-CERT VU#484649: http://www.kb.cert.org/vuls/id/484649

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