CVE-2018-3123 Information disclosure in MySQL Server

What is CVE-2018-3123?

CVE-2018-3123 is a medium-severity vulnerability in Oracle Mysql, published on 23 Apr 2019. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Vulnerability in the MySQL Server component of Oracle MySQL (subcomponent: Server: libmysqld). Supported versions that are affected are 5.6.42 and prior, 5.7.24 and prior and 8.0.13 and prior. Difficult to exploit vulnerability allows unauthenticated 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 5.9 (Confidentiality impacts). CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N).

Which versions are affected by CVE-2018-3123?

It affects 1 product.

Products include Oracle Mysql.

How do I fix CVE-2018-3123?

Apply the vendor's patch.

Is CVE-2018-3123 being exploited?

There is no known exploitation of CVE-2018-3123 in the wild and no public exploit code.

Other vulnerabilities in Oracle Mysql

• CVE-2016-0639 Auth bypass in n/a Critical 9.8
• CVE-2003-0150 Privilege escalation in n/a Critical 9.0
• CVE-2005-2572 Denial of service in n/a High 8.5
• CVE-2020-14878 Auth bypass in MySQL Server High 8.0
• CVE-2002-0969 Memory corruption in n/a High 7.8

All Oracle Mysql vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-9j3v-fx6c-g854, UBUNTU-CVE-2018-3123.