Remote Code Execution (RCE) Affecting mysql2 package, versions <3.9.4
Threat Intelligence
Exploit Maturity
Proof of concept
EPSS
0.04% (12th
percentile)
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Test your applications- Snyk ID SNYK-JS-MYSQL2-6591085
- published 10 Apr 2024
- disclosed 7 Apr 2024
- credit Vsevolod Kokorin
Introduced: 7 Apr 2024
CVE-2024-21508 Open this link in a new tabHow to fix?
Upgrade mysql2
to version 3.9.4 or higher.
Overview
mysql2 is a mostly API compatible with mysqljs and supports majority of features.
Affected versions of this package are vulnerable to Remote Code Execution (RCE) via the readCodeFor
function due to improper validation of the supportBigNumbers
and bigNumberStrings
values.
PoC
{sql:`SELECT INDEX_LENGTH FROM information_schema.tables LIMIT 1`, supportBigNumbers:"console.log(1337)"}
CVSS Scores
version 3.1