Vulnerability Description
The authentication method in Laravel 8.x through 9.x before 9.32.0 was discovered to be vulnerable to user enumeration via timeless timing attacks with HTTP/2 multiplexing. This is caused by the early return inside the hasValidCredentials method in the Illuminate\Auth\SessionGuard class when a user is found to not exist.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Laravel | Framework | >= 8.0.0, < 8.83.24 |
Related Weaknesses (CWE)
References
- https://ephort.dk/blog/laravel-timing-attack-vulnerability/ExploitTechnical DescriptionThird Party Advisory
- https://github.com/ephort/laravel-user-enumeration-demoExploitThird Party Advisory
- https://github.com/laravel/framework/pull/44069PatchVendor Advisory
- https://github.com/laravel/framework/releases/tag/v9.32.0Release Notes
- https://ephort.dk/blog/laravel-timing-attack-vulnerability/ExploitTechnical DescriptionThird Party Advisory
- https://github.com/ephort/laravel-user-enumeration-demoExploitThird Party Advisory
- https://github.com/laravel/framework/pull/44069PatchVendor Advisory
- https://github.com/laravel/framework/releases/tag/v9.32.0Release Notes
FAQ
What is CVE-2022-40482?
CVE-2022-40482 is a vulnerability with a CVSS score of 5.3 (MEDIUM). The authentication method in Laravel 8.x through 9.x before 9.32.0 was discovered to be vulnerable to user enumeration via timeless timing attacks with HTTP/2 multiplexing. This is caused by the early...
How severe is CVE-2022-40482?
CVE-2022-40482 has been rated MEDIUM with a CVSS base score of 5.3/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2022-40482?
Check the references section above for vendor advisories and patch information. Affected products include: Laravel Framework.