An issue has been discovered in GitLab CE/EE affecting all versions starting from 12.5 before 16.9.6, all versions starting from 16.10 before 16.10.4, all versions starting from 16.11 before 16.11.1. A crafted wildcard filter in FileFinder may lead to a denial of service.
Solution:
The product uses a regular expression with an inefficient, possibly exponential worst-case computational complexity that consumes excessive CPU cycles.
Link | Tags |
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https://gitlab.com/gitlab-org/gitlab/-/issues/451456 | issue tracking broken link permissions required |
https://hackerone.com/reports/2416728 | broken link exploit permissions required technical description |