CVE-2022-21327: Oracle MySQL Cluster Data Node Stack-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 stack-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 | >=7.4.0<=7.4.34 | |
| Oracle MySQL | >=7.5.0<=7.5.24 | |
| Oracle MySQL | >=7.6.0<=7.6.20 | |
| 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 CVE-2022-21327?
CVE-2022-21327 is a vulnerability in the MySQL Cluster product of Oracle MySQL that allows remote code execution.
Which versions of Oracle MySQL Cluster are affected by CVE-2022-21327?
Versions 7.4.34 and prior, 7.5.24 and prior, 7.6.20 and prior, and 8.0.27 and prior are affected.
What is the severity of CVE-2022-21327?
CVE-2022-21327 has a severity rating of 9.8 (critical).
How can an attacker exploit CVE-2022-21327?
An attacker with high privileges and physical access can exploit CVE-2022-21327 for remote code execution.
How can I fix CVE-2022-21327?
To fix CVE-2022-21327, it is recommended to apply the necessary patches or updates provided by Oracle MySQL.
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