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Bardissi Enterprises has been serving the Hatfield area since 2000, providing IT Support such as technical helpdesk support, computer support, and consulting to small and medium-sized businesses.

WatchGuard: All DNS Servers Suffer From Common DNS Protocol Vulnerabilities

Severity: Medium

9 July, 2008

Summary:

§ This vulnerability affects: All software and networking devices that run DNS servers; to a lesser extent, software or devices with DNS clients

§ How an attacker exploits it: By sending your DNS server (or client) a series of specially crafted DNS queries and/or responses

§ Impact: The attacker could poison your DNS server’s cache with arbitrary IP addresses, thus forcing your users to visit arbitrary, malicious web sites

§ What to do: Deploy the appropriate updates from your DNS vendors as quickly as possible

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