CVE-2021-35593: 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 7.4.33 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 vulnerability ID of this Oracle MySQL Cluster vulnerability?
The vulnerability ID is CVE-2021-35593.
What is the severity level of CVE-2021-35593?
The severity level of CVE-2021-35593 is critical (9.8).
Which versions of Oracle MySQL Cluster are affected by CVE-2021-35593?
Oracle MySQL Cluster versions 7.4.33 and prior, 7.5.23 and prior, 7.6.19 and prior, and 8.0.26 and prior are affected.
What is the description of CVE-2021-35593?
CVE-2021-35593 is a vulnerability in the MySQL Cluster product of Oracle MySQL that allows a high privileged attacker with access to the physical machine to execute remote code.
How can I fix CVE-2021-35593 in Oracle MySQL Cluster?
To fix CVE-2021-35593, it is recommended to update to the latest version of Oracle MySQL Cluster.