CVE-2022-40482

State: Published
Severity: 5.3 Medium
Published: Apr 25, 2023
Updated: Feb 3, 2025
Reserved: Sep 11, 2022

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.

Scores

CVSS	Score	Vector	Source
3.1	5.3 Medium	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N	CISA-ADP

Weaknesses

CWE-203 Observable Discrepancy

Affected Products

Product	Versions
n/an/a	n/aAffected

References

https://ephort.dk/blog/laravel-timing-attack-vulnerability/
https://github.com/ephort/laravel-user-enumeration-demo
https://github.com/laravel/framework/pull/44069
https://github.com/laravel/framework/releases/tag/v9.32.0

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