ZDI-CAN-13265: MySQL memcached Plugin Integer Underflow 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 Append and Prepend commands in the memcached plugin. The issue results from the lack of proper validation of user-supplied data, which can result in an integer underflow before writing to memory. An attacker can leverage this vulnerability to execute code in the context of the service account.

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• agent/references
• agent/softwarecombine
• collector/zdi-advisory
• source/ZDI
• alias/ZDI-21-880
• alias/ZDI-CAN-13265
• alias/CVE-2021-2389
• agent/software-canonical-lookup
• agent/severity
• agent/title
• agent/description
• agent/tags
• agent/type
• agent/event
• vendor/oracle
• canonical/oracle mysql