Advisory Details

July 22nd, 2021

MySQL InnoDB Heap-based Buffer Overflow Remote Code Execution Vulnerability

CVE ID	CVE-2021-2429
CVSS SCORE	8.1, AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
AFFECTED VENDORS	Oracle
AFFECTED PRODUCTS	MySQL
VULNERABILITY DETAILS	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.
ADDITIONAL DETAILS	Oracle has issued an update to correct this vulnerability. More details can be found at: https://www.oracle.com/security-alerts/cpujul2021.html
DISCLOSURE TIMELINE	2021-04-28 - Vulnerability reported to vendor 2021-07-22 - Coordinated public release of advisory 2021-08-23 - Advisory Updated
CREDIT	Anonymous

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