CVE-2021-41799

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Summary:

MediaWiki before 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.

Reference Links(if available):

  • https://lists.wikimedia.org/hyperkitty/list/[email protected]/thread/2IFS5CM2YV4VMSODPX3J2LFHKSEWVFV5/
  • https://phabricator.wikimedia.org/T290394
  • https://lists.fedoraproject.org/archives/list/[email protected]/message/QNEAI2T3Y65I55ZB6UE6RMC662RZTGRX/
  • https://lists.fedoraproject.org/archives/list/[email protected]/message/CJDYJQWT43GBD6GNQ4OW7JOZ6WQ6DZTN/
  • https://lists.fedoraproject.org/archives/list/[email protected]/message/MDBPECBWN6LWNSWIQMVXK6PP4YFEUYHA/
  • CVSS Score (if available)

    v2: / MEDIUMAV:N/AC:L/Au:N/C:N/I:N/A:P

    v3: / HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

    Links to Exploits(if available)

  • Available for Amazon Prime