CVE-2024-21509 mysql2 vulnerable to Prototype Poisoning
Prototype poisoning in mysql2 allows attackers to execute arbitrary code via insecure object creation and input sanitization flaws.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2024-21509?
CVE-2024-21509 is a medium-severity code injection vulnerability in mysql2, published on 10 Apr 2024. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official 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.
Weakness: CWE-1321
Which versions are affected by CVE-2024-21509?
2 open source packages ship an affected version, including mysql2. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
mysql2 npm | All versions | 3.9.4 |
mysql2 npm | All versions | 3.9.4 |
Products include Sidorares Mysql2.
How do I fix CVE-2024-21509?
Upgrade mysql2 to 3.9.4 or later.
Upgrade, and never evaluate templates, expressions or code built from user input. More about Code injection.
Is CVE-2024-21509 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2024-21509 exists.
Other vulnerabilities in mysql2
Sources
Also known as CLSA-2026-1786373168, GHSA-49j4-86m8-q2jw, ROOT-APP-NPM-CVE-2024-21509.