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Uncontrolled Resource Consumption

CVE-2022-1337

Medium
6.5/10

Summary

The image proxy component in Mattermost versions prior to 5.37.9, 6.2.x prior to 6.2.5, 6.3.x prior to 6.3.5 and for 6.4.x prior to 6.4.2 allocates memory for multiple copies of a proxied image, which allows an authenticated attacker to crash the server via links to very large image files.

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