Microsoft ISA Server Denial of Service - Secunia Advisories - Vulnerability Intelligence

Microsoft ISA Server Denial of Service
Secunia Advisory:	SA8345	Advisory Toolbox: Issue ticket Save in to-do list Mark as handled Exploit information Download as PDF Review actions Add comment
Release Date:	2003-03-19
Popularity:	5,489 views

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

Software:	Microsoft ISA Server 2000

Subscribe:	Instant alerts on relevant vulnerabilities

CVE reference:	CVE-2003-0011

Description: Microsoft ISA Server has been found vulnerable to a Denial of Service condition in the DNS intrusion detection filter. By sending a malicious DNS query it is possible to cause the DNS intrusion detection filter to crash. When the DNS intrusion detection filter has been crashed no DNS queries will be forwarded to the DNS server. This could potentially cause your internet services to fail if all of your DNS servers are blocked this way. This could stop web and email traffic to your site until you have restarted the ISA service. Solution: Microsoft has issued patches: English: http://microsoft.com/downloads/detail...-A6D3-B9CF840358BD&displaylang=en French: http://microsoft.com/downloads/detail...-A6D3-B9CF840358BD&displaylang=fr German: http://microsoft.com/downloads/detail...-A6D3-B9CF840358BD&displaylang=de Spanish: http://microsoft.com/downloads/detail...-A6D3-B9CF840358BD&displaylang=es Japanese: http://microsoft.com/downloads/detail...-A6D3-B9CF840358BD&displaylang=ja Original Advisory: http://www.microsoft.com/technet/security/bulletin/MS03-009.asp

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