Windows SMTP Service Invalid Timestamp Denial of Service - Secunia Advisories - Vulnerability Intelligence

Windows SMTP Service Invalid Timestamp Denial of Service
Secunia Advisory:	SA9286	Advisory Toolbox: Issue ticket Save in to-do list Mark as handled Exploit information Download as PDF Review actions Add comment
Release Date:	2003-07-16
Popularity:	10,517 views

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

OS:	Microsoft Windows 2000 Server

Software:	Microsoft Exchange 2000 Enterprise Server Microsoft Exchange Server 2000

Subscribe:	Instant alerts on relevant vulnerabilities

Description: A vulnerability has been identified in Windows 2000 Server and Exchange Server 2000, which can be exploited by malicious people to cause a DoS (Denial of Service) on the SMTP service. The vulnerability is caused due to an error when handling emails with invalid timestamps. This can be exploited by sending an email with a specially crafted FILETIME attribute, which will crash the SMTP service or cause it to stop responding. According to Microsoft, the vulnerability exists in the following products: - Microsoft Windows 2000 Server SP2 - Microsoft Windows 2000 Server SP3 - Microsoft Exchange 2000 Server Solution: Apply Windows 2000 Service Pack 4: http://www.microsoft.com/windows2000/downloads/servicepacks/sp4/default.asp NOTE: This Service Pack also addresses multiple other issues. For a list of security fixes see: http://support.microsoft.com/default.aspx?kbid=821665 Original Advisory: http://support.microsoft.com/default.aspx?kbid=330716 Other References: http://www.kb.cert.org/vuls/id/155252

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