CVE-2020-2573: Medium severity Oracle MySQL vulnerability
A vulnerability was found in the MySQL Client product of Oracle MySQL (component: C API). Supported versions that are affected are 5.7.28 and prior and 8.0.18 and prior. Difficult to exploit vulnerability allows unauthenticated attacker with network access via multiple protocols to compromise MySQL Client. Successful attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of MySQL Client.
Reference: https://www.oracle.com/security-alerts/cpujan2020.html
Other sources
Vulnerability in the MySQL Client product of Oracle MySQL (component: C API). Supported versions that are affected are 5.7.28 and prior and 8.0.18 and prior. Difficult to exploit vulnerability allows unauthenticated attacker with network access via multiple protocols to compromise MySQL Client. Successful attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of MySQL Client. CVSS 3.0 Base Score 5.9 (Availability impacts). CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H).
— Launchpad
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade
redhat/mysqlto a version that resolves this vulnerability.Fixed in 5.7.29 - Upgrade
Upgrade
redhat/mysqlto a version that resolves this vulnerability.Fixed in 8.0.19 - Upgrade
Upgrade
Oracle MySQL (MySQL Client, C API)to a version that resolves this vulnerability.Fixed in 5.7.29 - Upgrade
Upgrade
Oracle MySQL (MySQL Client, C API)to a version that resolves this vulnerability.Fixed in 8.0.19
Event History
Frequently Asked Questions
What is the severity of CVE-2020-2573?
CVE-2020-2573 is classified as a difficult to exploit vulnerability that affects multiple versions of MySQL.
How do I fix CVE-2020-2573?
To fix CVE-2020-2573, upgrade your MySQL installation to version 5.7.29 or later, or version 8.0.19 or later.
Which versions of MySQL are affected by CVE-2020-2573?
CVE-2020-2573 affects MySQL versions 5.7.28 and prior, as well as 8.0.18 and prior.
Can an attacker exploit CVE-2020-2573 remotely?
Yes, CVE-2020-2573 allows an unauthenticated attacker with network access to potentially compromise MySQL.
What types of protocols can be used to exploit CVE-2020-2573?
An attacker can exploit CVE-2020-2573 via multiple network protocols.