CVE-2021-35594: 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-2021-35594?
CVE-2021-35594 is considered critical due to its ability to allow remote code execution without authentication.
How do I fix CVE-2021-35594?
To address CVE-2021-35594, upgrade Oracle MySQL Cluster to version 8.0.27 or later.
What products are affected by CVE-2021-35594?
CVE-2021-35594 affects Oracle MySQL Cluster versions from 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-2021-35594?
No, CVE-2021-35594 can be exploited without any authentication.
What kind of attack can be executed using CVE-2021-35594?
CVE-2021-35594 allows remote attackers to execute arbitrary code on affected installations.