CVE-2024-21507: mysql2 Input Validation Flaw

Description

Versions of the package mysql2 before 3.9.3 are vulnerable to Improper Input Validation through the keyFromFields function, resulting in cache poisoning. An attacker can inject a colon (:) character within a value of the attacker-crafted key.

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CVSS v3.1 Score

6.5

MEDIUM

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L

Weakness Type (CWE)

CWE-20 Improper Input Validation

Affected Products

Vendor	Product	Versions
sidorares	mysql2	< 3.9.3

References

Advisories & Patches

https://github.com/sidorares/node-mysql2/commit/0d54b0ca6498c823098426038162ef10df02c818 https://github.com/sidorares/node-mysql2/commit/0d54b0ca6498c823098426038162ef10df02c818

Exploits

https://blog.slonser.info/posts/mysql2-attacker-configuration/ https://github.com/sidorares/node-mysql2/pull/2424 https://security.snyk.io/vuln/SNYK-JS-MYSQL2-6591300 https://blog.slonser.info/posts/mysql2-attacker-configuration/ https://github.com/sidorares/node-mysql2/pull/2424 https://security.snyk.io/vuln/SNYK-JS-MYSQL2-6591300

Frequently Asked Questions

What is CVE-2024-21507? +

Versions of the package mysql2 before 3.9.3 are vulnerable to Improper Input Validation through the keyFromFields function, resulting in cache poisoning. An attacker can inject a colon (:) character within a value of the attacker-crafted key. It has a CVSS v3.1 base score of 6.5 (MEDIUM).

How severe is CVE-2024-21507? +

CVE-2024-21507 has a CVSS v3.1 score of 6.5 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance.

What products are affected by CVE-2024-21507? +

CVE-2024-21507 affects products from sidorares, specifically: mysql2. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2024-21507? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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