Improper authentication exists in < 12.3.2, < 12.2.6, and < 12.1.12 for GitLab Community Edition (CE) and Enterprise Edition (EE) in the GitLab SAML integration had a validation issue that permitted an attacker to takeover another user's account.
When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct.
Link | Tags |
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https://about.gitlab.com/blog/2019/09/30/security-release-gitlab-12-dot-3-dot-2-released/ | vendor advisory |
https://hackerone.com/reports/471323 | permissions required |