Microsoft warns of firewall vulnerability

    March 20, 2003

Microsoft Corp. warned customers of another security vulnerability on Wednesday, this one affecting its Internet Security and Acceleration (ISA) Server 2000 firewall and Web cache product.

A software flaw was found in the ISA Server’s Domain Name Service (DNS) intrusion detection application filter that could allow an attacker to launch a denial of service (DoS) attack against the ISA Server that prevents that device from processing DNS requests.

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