CVE-2021-35598: 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 7.4.33 and prior, 7.5.23 and prior, 7.6.19 and prior and 8.0.26 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
Remediation
Patch Available
Event History
Frequently Asked Questions
What is the severity of CVE-2021-35598?
CVE-2021-35598 has a critical severity rating due to its potential to allow remote code execution.
How do I fix CVE-2021-35598?
To fix CVE-2021-35598, update Oracle MySQL Cluster to the latest version as recommended by the vendor.
What versions of Oracle MySQL Cluster are affected by CVE-2021-35598?
Affected versions include Oracle MySQL Cluster versions 7.4.0 to 7.4.33, 7.5.0 to 7.5.23, 7.6.0 to 7.6.19, and 8.0.0 to 8.0.26.
Is authentication required to exploit CVE-2021-35598?
No, authentication is not required to exploit CVE-2021-35598, making it particularly dangerous.
What kind of attackers can exploit CVE-2021-35598?
Remote attackers can exploit CVE-2021-35598 to execute arbitrary code on affected installations.