CVE-2022-40482

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.

Weakness classification

• CWE-203: Observable Discrepancy

Primary references

• cve@mitre.org — Exploit, Technical Description, Third Party Advisory
• cve@mitre.org — Exploit, Third Party Advisory
• cve@mitre.org — Patch, Vendor Advisory
• cve@mitre.org — Release Notes
• af854a3a-2127-422b-91ae-364da2661108 — Exploit, Technical Description, Third Party Advisory
• af854a3a-2127-422b-91ae-364da2661108 — Exploit, Third Party Advisory
• af854a3a-2127-422b-91ae-364da2661108 — Patch, Vendor Advisory
• af854a3a-2127-422b-91ae-364da2661108 — Release Notes