CVE-2017-3305

Description

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".

Category

5.3
CVSS
Severity: Medium
CVSS 3.0 •
CVSS 2.0 •
EPSS 0.20%
Vendor Advisory redhat.com Vendor Advisory debian.org Vendor Advisory oracle.com
Affected: Oracle Corporation MySQL Server
Published at:
Updated at:

References

Link Tags
https://access.redhat.com/errata/RHSA-2017:2787 third party advisory vendor advisory
http://www.openwall.com/lists/oss-security/2017/03/17/3 third party advisory mailing list
http://www.securitytracker.com/id/1038287 vdb entry third party advisory
http://riddle.link/ third party advisory
http://www.oracle.com/technetwork/security-advisory/cpuapr2017-3236618.html patch vendor advisory
http://www.debian.org/security/2017/dsa-3834 third party advisory vendor advisory
http://www.securityfocus.com/bid/97023 vdb entry third party advisory

Frequently Asked Questions

What is the severity of CVE-2017-3305?
CVE-2017-3305 has been scored as a medium severity vulnerability.
How to fix CVE-2017-3305?
To fix CVE-2017-3305, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2017-3305 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2017-3305 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2017-3305?
CVE-2017-3305 affects Oracle Corporation MySQL Server.
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