Description
Jenkins Credentials Plugin 2.1.18 and earlier allowed users with permission to create or update credentials to confirm the existence of files on the Jenkins master with an attacker-specified path, and obtain the certificate content of files containing a PKCS#12 certificate.
Remediation
References
http://seclists.org/fulldisclosure/2019/May/39
http://www.openwall.com/lists/oss-security/2019/05/21/1
http://www.securityfocus.com/bid/108462
https://access.redhat.com/errata/RHBA-2019:1605
https://access.redhat.com/errata/RHSA-2019:1636
https://jenkins.io/security/advisory/2019-05-21/#SECURITY-1322
https://wwws.nightwatchcybersecurity.com/2019/05/23/exploring-the-file-system-via-jenkins-credentials-plugin-vulnerability-cve-2019-10320/