Vulnerability in the MySQL Server component of Oracle MySQL (subcomponent: Server: C API). Supported versions that are affected are 5.5.55 and previous versions and 5.6.35 and previous versions. 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 malicious users to hijack the authentication of users by leveraging incorrect ordering of security parameter verification in a client, aka, "The Riddle".
| Vulnerable Product | Search on Vulmon | Subscribe to Product |
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oracle mysql |
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debian debian linux 8.0 |
Panic over the Riddle flaw – or just update to version 5.7. Your choice. We're not your dad
A programming blunder has been uncovered in Oracle's MySQL that can potentially leak usernames and passwords to man-in-the-middle eavesdroppers. Known as "The Riddle," the flaw potentially allows a miscreant to intercept and obtain login credentials sent from MySQL clients 5.5 and 5.6 to servers. Apparently, a fix introduced in versions 5.5.49 and 5.6.30 isn't enough to fully address the design flaw. Versions 5.7 and later, as well as MariaDB systems, are not vulnerable. According to security re...
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