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Observable Discrepancy

CVE-2022-40482

Medium
5.3/10

Summary

The authentication method in Laravel 8.0.x prior to 8.83.24, and 9.0.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.

  • LOW
  • NETWORK
  • NONE
  • UNCHANGED
  • NONE
  • NONE
  • LOW
  • NONE

CWE-203 - Observable Discrepancy

The product behaves differently or sends different responses under different circumstances in a way that is observable to an unauthorized actor, which exposes security-relevant information about the state of the product, such as whether a particular operation was successful or not.

References

Advisory Timeline

  • Published