Vulnerability identifier: #VU77802

Vulnerability risk: Low

CVSSv3.1: 4.8 [CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2018-3247

CWE-ID: CWE-400

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
MySQL Server
Server applications / Database software

Vendor: Oracle

Description

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

The vulnerability exists due to application does not properly control consumption of internal resources. A remote privileged user can cause a hang or frequently repeatable crash (complete DOS) of MySQL Server as well as unauthorized update, insert or delete access to some of MySQL Server accessible data.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

MySQL Server: 5.6.0 - 5.6.41, 5.7.0 - 5.7.23, 8.0.0 - 8.0.12

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External links
http://www.oracle.com/technetwork/security-advisory/cpuoct2018-4428296.html
http://www.securityfocus.com/bid/105600
http://www.securitytracker.com/id/1041888
http://access.redhat.com/errata/RHSA-2018:3655
http://security.netapp.com/advisory/ntap-20181018-0002/
http://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.