OpenSSH Certificate Validation Security Bypass Vulnerability

Summary
OpenSSH is prone to a security-bypass vulnerability.
Impact
Attackers can exploit this issue to bypass certain security restrictions and perform unauthorized actions. This may aid in further attacks.
Solution
Updates are available.
Insight
The verify_host_key function in sshconnect.c in the client in OpenSSH 6.6 and earlier allows remote servers to trigger the skipping of SSHFP DNS RR checking by presenting an unacceptable HostCertificate.
Affected
OpenSSH 6.6 and prior are vulnerable.
Detection
Check the version
References