CVE-2017-3305

Vulnerability in the MySQL Server component of Oracle MySQL (subcomponent:
Server: C API). Supported versions that are affected are 5.5.55 and earlier
and 5.6.35 and earlier. Difficult to exploit vulnerability allows low
privileged attacker with network access via multiple protocols to
compromise MySQL Server. Successful attacks of this vulnerability can
result in unauthorized access to critical data or complete access to all
MySQL Server accessible data. CVSS 3.0 Base Score 5.3 (Confidentiality
impacts). CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N).
NOTE: the previous information is from the April 2017 CPU. Oracle has not
commented on third-party claims that this issue allows man-in-the-middle
attackers to hijack the authentication of users by leveraging incorrect
ordering of security parameter verification in a client, aka, “The Riddle”.

Notes