Description
A missing permission check in Jenkins GitLab Plugin 1.5.11 and earlier in the GitLabConnectionConfig#doTestConnection form validation method allowed attackers with Overall/Read permission to connect to an attacker-specified URL using attacker-specified credentials IDs obtained through another method, capturing credentials stored in Jenkins.
Remediation
References
http://www.securityfocus.com/bid/108045
https://jenkins.io/security/advisory/2019-04-17/#SECURITY-1357
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