CVE-2022-40482

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 v3.1

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

CVSS v3.1

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

EPSS

0.88% chance of exploitation in the next 30 days, 57th percentile

Published

2023-04-25

Updated

2025-02-03

Proof-of-concept exploits (2)

• https://ephort.dk/blog/laravel-timing-attack-vulnerability/
• ephort/laravel-user-enumeration-demo5★ · 2022-09-09

References

• CVE Record
• NVD entry

Related

• CVE-2022-40471
• CVE-2022-40486
• CVE-2022-40470
• CVE-2022-40489
• CVE-2022-4047
• CVE-2022-4049