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Improper Verification of Cryptographic Signature

CVE-2024-50347

High
7.5/10

Summary

Laravel Reverb provides a real-time WebSocket communication backend for Laravel applications. In versions prior to v1.4.0, there was an issue where verification signatures for requests sent to Reverb's Pusher-compatible API were not being verified. This API is used in scenarios such as broadcasting a message from a backend service or obtaining statistical information (such as the number of connections) about a given channel. This issue only affects the Pusher-compatible API endpoints, not the WebSocket connections. To exploit this vulnerability, the application ID which, should never be exposed, would need to be known by an attacker.

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

CWE-347 - Improper Verification of Cryptographic Signature

A cryptographic protocol is meant to ensure that services are provided in a secure manner. An application with absent or improper verification of cryptographic signatures allows malicious users to feed false messages to valid users or to disclose sensitive data, subverting the goals of the protocol. This can lead to security failures such as false authentication, account hijacking, and privilege escalation.

References

Advisory Timeline

  • Published