Body Background
TrendAI™ Zero Day Initiative™ Logo

Oracle MySQL Cluster Data Node Out-Of-Bounds Read Information Disclosure Vulnerability

January 21st, 2022

Vulnerability Details

This vulnerability allows remote attackers to disclose sensitive information 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 read past the end of an allocated buffer. An attacker can leverage this in conjunction with other vulnerabilities to execute arbitrary code in the context of the service account.

Additional Details

Oracle has issued an update to correct this vulnerability. More details can be found at:
https://www.oracle.com/security-alerts/cpujan2022.html

Disclosure Timeline

  • 2021-09-01 - Vulnerability reported to vendor
  • 2022-01-21 - Coordinated public release of advisory

Credit

Reno Robert and Lucas Leong (@_wmliang_) of Trend Micro Zero Day Initiative

Back to Advisories

Hero Background

Stand at the front line of proactive security

Trend ZDI connects the experts who discover, remediate, and defend.
Add your voice to the work that pushes attackers back.