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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 >> General >> DNS Cache Snooping Vulnerability Assessment Details
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DNS Cache Snooping |
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DNS Cache Snooping Detailed Explanation for this Vulnerability Assessment Summary : Remote DNS server is vulnerable to Cache Snooping attacks. Description : The remote DNS server answers to queries for third party domains which do not have the recursion bit set. This may permit a remote attacker to acertain which domains have recently been resolved via this name server, and therefore which hosts have been recently visited. For instance, if a possible hacker was interested in whether your company utilizes the online services of a particular financial institution, they would be able to use this attack to build a statistical model regarding company usage of aforementioned financial institution. Of course, the attack can also be used to find B2B partners, web-surfing patterns, external mail servers, and more... For a much more detailed discussion of the potential risks of permiting DNS cache information to be queried anonymously, please see: http://community.sidestep.pt/~luis/DNS-Cache-Snooping/DNS_Cache_Snooping_1.1.pdf Network Security Threat Level: Low / CVSS Base Score : 2 (AV:R/AC:L/Au:NR/C:P/A:N/I:N/B:N) Networks Security ID: Vulnerability Assessment Copyright: This script is Copyright (C) 2004 Tenable Network Security |
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