ZDI-21-1227: 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.
Affected Software
Event History
Frequently Asked Questions
What is the severity of ZDI-21-1227?
The severity of ZDI-21-1227 is critical due to its ability to allow remote code execution without authentication.
How do I fix ZDI-21-1227?
To fix ZDI-21-1227, you should apply the latest security updates provided by Oracle for MySQL Cluster.
What versions of Oracle MySQL Cluster are affected by ZDI-21-1227?
ZDI-21-1227 affects multiple versions of Oracle MySQL Cluster, including unpatched installations.
Can ZDI-21-1227 be exploited remotely?
Yes, ZDI-21-1227 can be exploited remotely since it does not require authentication to trigger the vulnerability.
What are the potential consequences of ZDI-21-1227 exploitation?
Exploitation of ZDI-21-1227 could lead to arbitrary code execution on the affected system, compromising its security.