Ssh server supports weak key exchange algorithms cisco
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Mar 25, 2015 · Devices running Cisco IOS Software or IOS XE Software contain vulnerabilities within the Internet Key Exchange (IKE) version 2 subsystem that could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition. The vulnerabilities are due to how an affected device processes certain malformed IKEv2 packets. An attacker could exploit these vulnerabilities by sending ...
Popular protocols such as TLS, SSH and IPSec as used in practice do not t a simple textbook de nition of a key-exchange protocol, where the state machine, cryptographic algorithms, parameters and message formats are all xed in advance. Rather, these modern protocols feature cryptographic agilit,y which provides for