CVE-2022-21320: Oracle MySQL Cluster Data Node Heap-based Buffer Overflow Remote Code Execution Vulnerability
First published: Wed Jan 19 2022(Updated: )
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 heap-based buffer. An attacker can leverage this vulnerability to execute code in the context of the service account.
Credit: secalert_us@oracle.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Oracle MySQL Cluster | ||
| Oracle MySQL | >=8.0.0<=8.0.27 | |
| NetApp OnCommand Insight | ||
| NetApp OnCommand Workflow Automation |
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Reference Links
Frequently Asked Questions
What is the vulnerability ID?
The vulnerability ID is CVE-2022-21320.
What is the severity of CVE-2022-21320?
The severity of CVE-2022-21320 is critical with a CVSS score of 9.8.
Which versions of Oracle MySQL Cluster are affected by CVE-2022-21320?
Versions 8.0.27 and prior of Oracle MySQL Cluster are affected by CVE-2022-21320.
How can this vulnerability be exploited?
This vulnerability can be exploited by a high privileged attacker with access to the physical communication segment attached to the hardware where the vulnerable MySQL Cluster is running.
How can I fix CVE-2022-21320?
Upgrade to a version of Oracle MySQL Cluster that is 8.0.28 or later, as this vulnerability has been patched in versions 8.0.28 and later.
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