CVE-2019-1003021: Exposure of Sensitive Information to an Unauthorized Actor

May 13, 2022 (updated January 30, 2024)

An exposure of sensitive information vulnerability exists in Jenkins OpenId Connect Authentication Plugin 1.4 and earlier in OicSecurityRealm/config.jelly that allows attackers able to view a Jenkins administrator’s web browser output, or control the browser (e.g. malicious extension) to retrieve the configured client secret.

References

github.com/advisories/GHSA-3858-58w9-wpcg
jenkins.io/security/advisory/2019-01-28/
nvd.nist.gov/vuln/detail/CVE-2019-1003021

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