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Exposure of Resource to Wrong Sphere

CVE-2023-1775

Medium
6.5/10

Summary

When running in a High Availability configuration, Mattermost fails to sanitize some of the "user_updated" and "post_deleted" events broadcast to all users, leading to disclosure of sensitive information to some of the users with currently connected Websocket clients. This issue affects github.com/mattermost/mattermost-server versions through 7.1.5 and 7.2.0 through 7.7.1.

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

CWE-668 - Exposure of Resource to Wrong Sphere

The product exposes a resource to the wrong control sphere, providing unintended actors with inappropriate access to the resource.

References

Advisory Timeline

  • Published