Symfony Validator Vulnerability: Tricking Validators with `$` Metacharacters
CVE-2024-50343

Currently unrated

Key Information:

Vendor
Symfony
Vendor
CVE Published:
6 November 2024

Summary

symfony/validator is a module for the Symphony PHP framework which provides tools to validate values. It is possible to trick a Validator configured with a regular expression using the $ metacharacters, with an input ending with \n. Symfony as of versions 5.4.43, 6.4.11, and 7.1.4 now uses the D regex modifier to match the entire input. Users are advised to upgrade. There are no known workarounds for this vulnerability.

References

https://github.com/symfony/symfony/security/advisories/GH...
https://github.com/symfony/symfony/commit/7d1032bbead9a42...

Timeline

  • Vulnerability published

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