Description
The HudsonPrivateSecurityRealm class in Jenkins before 1.600 and LTS before 1.596.1 does not restrict access to reserved names when using the "Jenkins' own user database" setting, which allows remote attackers to gain privileges by creating a reserved name.
Remediation
References
http://rhn.redhat.com/errata/RHSA-2015-1844.html
https://access.redhat.com/errata/RHSA-2016:0070
https://bugzilla.redhat.com/show_bug.cgi?id=1205627
https://wiki.jenkins-ci.org/display/SECURITY/Jenkins+Security+Advisory+2015-02-27
Related Vulnerabilities
CVE-2019-10449 Vulnerability in maven package org.jenkins-ci.plugins:fortify-on-demand-uploader
CVE-2019-10348 Vulnerability in maven package org.jenkins-ci.plugins:gogs-webhook
CVE-2020-1744 Vulnerability in maven package org.keycloak:keycloak-services
CVE-2015-5344 Vulnerability in maven package org.apache.camel:camel-core
CVE-2010-2076 Vulnerability in maven package org.apache.cxf:cxf-bundle-jaxrs