User Enumeration Vulnerability in Laravel Authentication Method
CVE-2022-40482

5.3MEDIUM

Key Information:

Vendor

Laravel

Status
Framework
Vendor
CVE Published:
25 April 2023

What is CVE-2022-40482?

The authentication system in Laravel versions 8.x through 9.x, prior to 9.32.0, is susceptible to a user enumeration vulnerability due to improper handling of early returns within the hasValidCredentials method. This flaw may allow attackers to exploit timing attacks, particularly with HTTP/2 multiplexing, enabling the identification of valid or invalid usernames based on the response time, thereby compromising the security of user accounts.

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References

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

CVSS V3.1

Score:
5.3
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
None
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

JSON
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