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.
Affected Software
Event History
Frequently Asked Questions
What is the severity of ZDI-21-881?
The severity of ZDI-21-881 is critical due to its ability to allow remote code execution without authentication.
How do I fix ZDI-21-881?
To fix ZDI-21-881, you should upgrade to the latest version of MySQL that includes the security patches addressing this vulnerability.
What are the impacts of ZDI-21-881?
ZDI-21-881 allows remote attackers to execute arbitrary code, potentially compromising the integrity and confidentiality of the MySQL server.
Which versions of MySQL are affected by ZDI-21-881?
ZDI-21-881 affects specific installations of Oracle MySQL prior to the release of the security update.
Is authentication required to exploit ZDI-21-881?
No, authentication is not required to exploit ZDI-21-881, making it particularly dangerous.