Multiple Vendor DNS Protocol Insufficient Transaction ID Randomization DNS Spoofing Vulnerability

Multiple vendors' implementations of the DNS protocol are prone to a DNS-spoofing vulnerability because the software fails to securely implement random values when performing DNS queries.

Successfully exploiting this issue allows remote attackers to spoof DNS replies, allowing them to redirect network traffic and to launch man-in-the-middle attacks.

This issue affects Microsoft Windows DNS Clients and Servers, ISC BIND 8 and 9, and multiple Cisco IOS releases; other DNS implementations may also be vulnerable.


 

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