CVE-2022-21356: Oracle MySQL Cluster Data Node Stack-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 stack-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 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-2022-21356?
The severity of CVE-2022-21356 is critical with a CVSS score of 9.8.
Which versions of Oracle MySQL Cluster are affected by CVE-2022-21356?
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 are affected by CVE-2022-21356.
What is the component affected by CVE-2022-21356 in Oracle MySQL Cluster?
The component affected by CVE-2022-21356 in Oracle MySQL Cluster is Cluster: General.
Is CVE-2022-21356 difficult to exploit?
Yes, CVE-2022-21356 is considered a difficult to exploit vulnerability.
What can a high privileged attacker with physical access do due to CVE-2022-21356?
A high privileged attacker with physical access can execute remote code due to CVE-2022-21356.