Improper authorization of users and groups with the same base name in gitlab-oauth

gitlab-oauth 1.5 and earlier does not differentiate between user names and hierarchical group names when performing authorization. This allows an attacker with permissions to create groups in GitLab to gain the privileges granted to another user or group. gitlab-oauth 1.6 performs user name and...

ZEIT: Open Redirect on Gitllab Oauth leading to Acount Takeover

Summary: When an Open Redirect is used in a phishing attack, the victim receives an email that looks legitimate with a link that points to a correct and expected domain. What the victim may not notice, is that in the middle of a long URL there are parameters that manipulate and change where the...

Open redirect vulnerability in gitlab-oauth

gitlab-oauth records the HTTP Referer header when the authentication process starts and redirects users to that URL when the user has finished logging in. This implements an open redirect, allowing malicious sites to implement a phishing attack, with users expecting they have just logged in to...