ZDI-21-889: MySQL InnoDB Heap-based Buffer Overflow Remote Code Execution Vulnerability
This vulnerability allows remote attackers to execute arbitrary code on affected installations of MySQL. Authentication is not required to exploit this vulnerability. The specific flaw exists within the processing of InnoDB commands. 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.
Affected Software
Event History
Frequently Asked Questions
What is the severity of ZDI-21-889?
The severity of ZDI-21-889 is critical due to the potential for remote code execution by unauthenticated attackers.
How do I fix ZDI-21-889?
To fix ZDI-21-889, update MySQL to the latest version provided by Oracle that addresses this vulnerability.
What types of systems are affected by ZDI-21-889?
ZDI-21-889 affects installations of MySQL that utilize InnoDB commands.
Can ZDI-21-889 be exploited remotely?
Yes, ZDI-21-889 can be exploited remotely without the need for authentication.
What must I do if I think I am impacted by ZDI-21-889?
If you suspect you are impacted by ZDI-21-889, immediately apply the latest security patches from Oracle for MySQL.