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Vulnerability Assessment & Network Security Forums |
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If through a vulnerability assessment, a network security issue is detected for the vulnerability below, applying the appropriate security patches in a timely matter is very important. If you have detected that your system has already been compromised, following CERT's Network Security recovery document will assist with recommended steps for system recovery. Home >> Browse Vulnerability Assessment Database >> Denial of Service >> Multiple Vendor DNS Response Flooding Denial Of Service Vulnerability Assessment Details
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Multiple Vendor DNS Response Flooding Denial Of Service |
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send malformed DNS query on port 53 Detailed Explanation for this Vulnerability Assessment Multiple DNS vendors are reported susceptible to a denial of service vulnerability (Axis Communication, dnrd, Don Moore, Posadis). This vulnerability results in vulnerable DNS servers entering into an infinite query and response message loop, leading to the consumption of network and CPU resources, and denying DNS service to legitimate users. A possible hacker may exploit this flaw by finding two vulnerable servers and set up a 'ping-pong' attack between the two hosts. Solution : http://www.uniras.gov.uk/vuls/2004/758884/index.htm Network Security Threat Level: Medium Networks Security ID: 11642 Vulnerability Assessment Copyright: This script is (C)2004 Cedric Tissieres, Objectif Securite |
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