#Exchange2010 Vulnerabilities in Microsoft Exchange and Windows SMTP Service Could Allow Denial of Service (981832)
http://www.microsoft.com/technet/security/Bulletin/MS10-024.mspx
This security update resolves one publicly disclosed vulnerability and one privately reported vulnerability in Microsoft Exchange and Windows SMTP Service. The more severe of these vulnerabilities could allow denial of service if an attacker sent a specially crafted DNS response to a computer running the SMTP service. By default, the SMTP component is not installed on Windows Server 2003, Windows Server 2003 x64 Edition, or Windows XP Professional x64 Edition.
The security update addresses the vulnerabilities by correcting the manner in which SMTP parses MX records and the manner in which SMTP allocates memory for interpreting SMTP command responses.
- Security Update for Exchange 2000 Server (KB976703)
http://www.microsoft.com/downloads/details.aspx?familyid=e47c90a0-c9c8-43b7-bec7-34107ddde294&displaylang=en - Security Update for Exchange Server 2003 Service Pack 2 (KB976702)
http://www.microsoft.com/downloads/details.aspx?familyid=bc8391f8-5335-496b-ad4c-bae38509be4a&displaylang=en - Update Rollup 10 for Exchange Server 2007 Service Pack 1 (KB981407)
http://www.microsoft.com/downloads/details.aspx?familyid=6a894b4e-12b6-4a91-9555-d813956b6aac&displaylang=en - Update Rollup 4 for Exchange Server 2007 Service Pack 2 (KB981383)
http://www.microsoft.com/downloads/details.aspx?familyid=b8f7f872-16d5-49d6-9867-adc01351c06f&displaylang=en - Update Rollup 3 for Exchange Server 2010 (KB981401)
http://www.microsoft.com/downloads/details.aspx?familyid=7dcf2390-dff7-4e3a-acca-03f4d43fb79a&displaylang=en
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