ZDI-21-881: 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 Authentication 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.

Never miss a vulnerability like this again

Sign up to SecAlerts for real-time vulnerability data matched to your software, aggregated from hundreds of sources.

Read MoreStart Free Trial

• agent/title
• agent/references
• agent/severity
• agent/type
• agent/description
• agent/tags
• agent/event
• agent/softwarecombine
• collector/zdi-advisory
• source/ZDI
• alias/ZDI-21-881
• alias/ZDI-CAN-13266
• alias/CVE-2021-2390
• agent/software-canonical-lookup
• vendor/oracle
• canonical/oracle mysql