#VU33746 Input validation error - CVE-2018-3173

Vulnerability identifier: #VU33746

Vulnerability risk: Medium

CVSSv4.0: 4.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2018-3173

CWE-ID: CWE-20

Exploitation vector: Network

Exploit availability: No

Description

The vulnerability allows a remote privileged user to perform a denial of service (DoS) attack.

Vulnerability in the MySQL Server component of Oracle MySQL (subcomponent: InnoDB). Supported versions that are affected are 5.7.23 and prior and 8.0.12 and prior. Easily exploitable vulnerability allows high privileged attacker with network access via multiple protocols to compromise MySQL Server. Successful attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of MySQL Server. CVSS 3.0 Base Score 4.9 (Availability impacts). CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H).

Mitigation
Install update from vendor's website.

External links
https://www.oracle.com/technetwork/security-advisory/cpuoct2018-4428296.html
https://www.securityfocus.com/bid/105594
https://www.securitytracker.com/id/1041888
https://access.redhat.com/errata/RHSA-2018:3655
https://access.redhat.com/errata/RHSA-2019:1258
https://security.gentoo.org/glsa/201908-24
https://security.netapp.com/advisory/ntap-20181018-0002/
https://usn.ubuntu.com/3799-1/

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated privileged user via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.