A vulnerability was found in mysql2 up to 3.9.6. It has been rated as very critical. Affected by this issue is the function readCodeFor. The manipulation of the argument timezone with an unknown input leads to a code injection vulnerability. Using CWE to declare the problem leads to CWE-94. The product constructs all or part of a code segment using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the syntax or behavior of the intended code segment. Impacted is confidentiality, integrity, and availability. CVE summarizes:

Versions of the package mysql2 before 3.9.7 are vulnerable to Arbitrary Code Injection due to improper sanitization of the timezone parameter in the readCodeFor function by calling a native MySQL Server date/time function.

The advisory is shared for download at security.snyk.io. This vulnerability is handled as CVE-2024-21511 since 12/22/2023. The exploitation is known to be easy. The attack may be launched remotely. No form of authentication is required for exploitation. There are known technical details, but no exploit is available. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 04/23/2024). The MITRE ATT&CK project declares the attack technique as T1059.

Upgrading to version 3.9.7 eliminates this vulnerability. The upgrade is hosted for download at github.com. Applying the patch 7d4b098c7e29d5a6cb9eac2633bfcc2f0f1db713 is able to eliminate this problem. The bugfix is ready for download at github.com. The best possible mitigation is suggested to be upgrading to the latest version.

Productinfo

Type

• Database Software

Name

• mysql2

Version

• 3.9.0
• 3.9.1
• 3.9.2
• 3.9.3
• 3.9.4
• 3.9.5
• 3.9.6

License

• open-source

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