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Uncontrolled Resource Consumption

CVE-2023-40703

High
7.5/10

Summary

Mattermost fails to properly limit the characters allowed in different fields of a block in Mattermost Boards allowing an attacker to consume excessive resources, possibly leading to Denial of Service (DoS), by patching the field of a block using a specially crafted string. This affect github.com/mattermost/logr versions through 2.0.18.

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

CWE-400 - Uncontrolled resource consumption

An uncontrolled resource allocation attack (also known as resource exhaustion attack) triggers unauthorized overconsumption of the limited resources in an application, such as memory, file system storage, database connection pool entries, and CPU. This may lead to denial of service for valid users and degradation of the application's functionality as well as that of the host operating system.

References

Advisory Timeline

  • Published