CVE-2022-21322: Oracle MySQL Cluster Data Node Heap-based Buffer Overflow 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 the length of user-supplied data prior to copying it to a heap-based buffer. 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 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-2022-21322?
The severity of CVE-2022-21322 is critical with a CVSS score of 9.8.
Which versions of Oracle MySQL Cluster are affected by CVE-2022-21322?
Oracle MySQL Cluster versions 8.0.27 and prior are affected by CVE-2022-21322.
How can CVE-2022-21322 be exploited?
CVE-2022-21322 can be exploited by a high privileged attacker with access to the physical communication segment attached to the hardware where the MySQL Cluster is running.
What is the recommended solution for CVE-2022-21322?
Oracle recommends upgrading to a fixed version or applying the appropriate patches provided in the security advisory.
Where can I find more information about CVE-2022-21322?
You can find more information about CVE-2022-21322 in the Oracle security advisory and the Zero Day Initiative advisory.