NTP EVP_VerifyFinal() Security Bypass Vulnerability

Summary
This host has NTP installed and is prone to security bypass vulnerability.
Impact
Successful exploitation could allow remote attackers to bypass the certificate validation checks and can cause spoofing attacks via signature checks on DSA and ECDSA keys used with SSL/TLS. Impact Level: System/Application
Solution
Upgrade to NTP version 4.2.4p6 or 4.2.5p151 http://www.ntp.org/downloads.html
Insight
The flaw is due to improper validation of return value in EVP_VerifyFinal function of openssl.
Affected
NTP version 4.2.4 to 4.2.4p5 and 4.2.5 to 4.2.5p150 on Linux.
References