critical
9.8
Advisory Published
Advisory Published
Updated

CVE-2022-21336: 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 SoftwareAffected VersionHow to fix
Oracle MySQL Cluster
MySQL>=7.4.0<=7.4.34
MySQL>=7.5.0<=7.5.24
MySQL>=7.6.0<=7.6.20
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-2022-21336?

    CVE-2022-21336 is a vulnerability in the MySQL Cluster product of Oracle MySQL that allows for heap-based buffer overflow and remote code execution.

  • What is the severity of CVE-2022-21336?

    CVE-2022-21336 has a severity rating of 9.8 out of 10, making it a critical vulnerability.

  • Which versions of Oracle MySQL Cluster are affected by CVE-2022-21336?

    Versions 7.4.34 and prior, 7.5.24 and prior, 7.6.20 and prior, and 8.0.27 and prior of Oracle MySQL Cluster are affected by CVE-2022-21336.

  • How can a high privileged attacker exploit CVE-2022-21336?

    A high privileged attacker with physical access can exploit CVE-2022-21336 to execute remote code by exploiting the heap-based buffer overflow vulnerability in the MySQL Cluster product.

  • Where can I find more information about CVE-2022-21336?

    You can find more information about CVE-2022-21336 at the following references: [Oracle Security Alerts](https://www.oracle.com/security-alerts/cpujan2022.html), [Zero Day Initiative](https://www.zerodayinitiative.com/advisories/ZDI-22-121/), [NetApp Security Advisory](https://security.netapp.com/advisory/ntap-20220121-0008/).

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