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Allocation of Resources Without Limits or Throttling

CVE-2021-41799

High
7.5/10

Summary

MediaWiki prior to 1.31.16, 1.32.0-rc.0 prior to 1.35.4 and 1.36.x prior to 1.36.2 allows a denial of service (resource consumption because of lengthy query processing time). ApiQueryBacklinks (action=query&list=backlinks) can cause a full table scan.

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

CWE-770 - Allocation of Resources Without Limits or Throttling

The software allocates a reusable resource or group of resources on behalf of an actor without imposing any restrictions on the size or number of resources that can be allocated, in violation of the intended security policy for that actor.

References

Advisory Timeline

  • Published