Gitlab 14.9 Authentication Bypass

Gitlab versions 14.9 prior to 14.9.2, 14.8 prior to 14.8.5, and 14.7 prior to 14.7.7 suffer from a bypass vulnerability due to having set a hardcoded password for accounts registered using an OmniAuth provider.


SHA-256 | b9871a137c86a7af7a3f259af24481816299cde62d5eef695abcb78150bb320f

# Exploit Title: Gitlab 14.9 - Authentication Bypass
# Date: 12/04/2022
# Exploit Authors: Greenwolf & stacksmashing
# Vendor Homepage: https://about.gitlab.com/
# Software Link: https://about.gitlab.com/install
# Version: GitLab CE/EE versions 14.7 prior to 14.7.7, 14.8 prior to 14.8.5, and 14.9 prior to 14.9.2
# Tested on: Linux
# CVE : CVE-2022-1162
# References: https://github.com/Greenwolf/CVE-2022-1162

A hardcoded password was set for accounts registered using an OmniAuth provider (e.g. OAuth, LDAP, SAML) in GitLab CE/EE versions 14.7 prior to 14.7.7, 14.8 prior to 14.8.5, and 14.9 prior to 14.9.2 allowing attackers to potentially take over accounts.

Exploit:

New Gitlab Accounts (created since the first affect version and if Gitlab is before the patched version) can be logged into with the following password:

[email protected]#000000000


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