CVE-2024-21509

Public Exploit

Description

Versions of the package mysql2 before 3.9.4 are vulnerable to Prototype Poisoning due to insecure results object creation and improper user input sanitization passed through parserFn in text_parser.js and binary_parser.js.

Category

6.5
CVSS
Severity: Medium
CVSS 3.1 •
EPSS 0.60%
Third-Party Advisory snyk.io
Affected: n/a mysql2
Published at:
Updated at:

References

Link Tags
https://security.snyk.io/vuln/SNYK-JS-MYSQL2-6591084 exploit third party advisory
https://blog.slonser.info/posts/mysql2-attacker-configuration/ exploit permissions required
https://github.com/sidorares/node-mysql2/blob/fd3d117da82cc5c5fa5a3701d7b33ca77691bc61/lib/parsers/text_parser.js%23L134 broken link
https://github.com/sidorares/node-mysql2/commit/4a964a3910a4b8de008696c554ab1b492e9b4691 patch
https://github.com/sidorares/node-mysql2/pull/2574 exploit issue tracking
https://github.com/sidorares/node-mysql2/releases/tag/v3.9.4 release notes

Frequently Asked Questions

What is the severity of CVE-2024-21509?
CVE-2024-21509 has been scored as a medium severity vulnerability.
How to fix CVE-2024-21509?
To fix CVE-2024-21509, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2024-21509 being actively exploited in the wild?
It is possible that CVE-2024-21509 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2024-21509?
CVE-2024-21509 affects n/a mysql2.
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