REDHAT-BUG-2557877: Medium severity Oracle MySQL Server vulnerability
Vulnerability in the MySQL Server, MySQL Cluster product of Oracle MySQL (component: Server: Pluggable Auth). Supported versions that are affected are MySQL Server: 8.4.0-8.4.12, 9.7.0-9.7.3, 26.7.0-26.7.1; MySQL Cluster: 8.0.0-8.0.49, 8.4.0-8.4.12, 9.7.0-9.7.3 and 26.7.0-26.7.1. Difficult to exploit vulnerability allows unauthenticated attacker with network access via multiple protocols to compromise MySQL Server, MySQL Cluster. Successful attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of MySQL Server, MySQL Cluster as well as unauthorized update, insert or delete access to some of MySQL Server, MySQL Cluster accessible data. CVSS 3.1 Base Score 6.5 (Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:H).
Affected Software
Event History
Frequently Asked Questions
Which release ranges are identified as affected?
MySQL Server is affected in 8.4.0 through 8.4.12, 9.7.0 through 9.7.3, and 26.7.0 through 26.7.1. MySQL Cluster is affected in 8.0.0 through 8.0.49, 8.4.0 through 8.4.12, 9.7.0 through 9.7.3, and 26.7.0 through 26.7.1.
Does an attacker need a MySQL account or user interaction to exploit this issue?
No. The vulnerability is described as exploitable by an unauthenticated attacker with network access through multiple protocols, with no user interaction required; exploitation is rated as difficult.
What is the practical impact if exploitation succeeds?
An attacker may cause a hang or repeatable crash resulting in a complete denial of service. They may also gain unauthorized update, insert, or delete access to some accessible MySQL Server or MySQL Cluster data.