CVE-2022-21326: Oracle MySQL Cluster Data Node Improper Validation of Array Index Remote Code Execution Vulnerability
This vulnerability allows remote attackers to execute arbitrary code on affected installations of Oracle MySQL Cluster. Authentication is not required to exploit this vulnerability. The specific flaw exists within the processing of Data Node jobs. The issue results from the lack of proper validation of user-supplied data, which can result in a write past the end of an array. An attacker can leverage this vulnerability to execute code in the context of the service account.
Other sources
Vulnerability in the MySQL Cluster product of Oracle MySQL (component: Cluster: General). Supported versions that are affected are 7.4.34 and prior, 7.5.24 and prior, 7.6.20 and prior and 8.0.27 and prior. Difficult to exploit vulnerability allows high privileged attacker with access to the physical communication segment attached to the hardware where the MySQL Cluster executes to compromise MySQL Cluster. Successful attacks require human interaction from a person other than the attacker. Successful attacks of this vulnerability can result in takeover of MySQL Cluster. CVSS 3.1 Base Score 6.3 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:A/AC:H/PR:H/UI:R/S:U/C:H/I:H/A:H).
Affected Software
Event History
Frequently Asked Questions
What is the severity of CVE-2022-21326?
The severity of CVE-2022-21326 is critical with a CVSS score of 9.8.
What is the affected software for CVE-2022-21326?
The affected software for CVE-2022-21326 is Oracle MySQL Cluster versions 7.4.34 and prior, 7.5.24 and prior, 7.6.20 and prior, and 8.0.27 and prior.
How does CVE-2022-21326 impact Oracle MySQL Cluster?
CVE-2022-21326 is a vulnerability in the MySQL Cluster product of Oracle MySQL that allows a high privileged attacker with access to the physical machine hosting the MySQL Cluster Data Node to execute remote code.
Are there any known exploits for CVE-2022-21326?
Yes, there are known exploits for CVE-2022-21326.
How can I fix CVE-2022-21326?
To fix CVE-2022-21326, it is recommended to upgrade to the latest version of Oracle MySQL Cluster that includes the necessary security patches.