Permissions, Privileges, and Access Controls in Blue Ocean - CVE-2020-2255
Published: September 16, 2020 / Updated: September 22, 2020
Vulnerability identifier: #VU46881
CSH Severity: Low
CVSS v4: 5.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2020-2255
CWE-ID: CWE-264
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to escalate privileges on the system.
The vulnerability exists due to the affected plugin does not perform permission checks in several HTTP endpoints implementing connection tests. A remote user with Overall/Read permission can connect to an attacker-specified URL.
Affected software
Blue Ocean
Red Hat OpenShift Container Platform
jenkins-2-plugins (Red Hat package)
Red Hat OpenShift Container Platform
jenkins-2-plugins (Red Hat package)
How to mitigate CVE-2020-2255
Install updates from vendor's website.
Blue Ocean - update to 1.23.3
jenkins-2-plugins (Red Hat package) - update to 3.11.1603460090-1.el7
jenkins-2-plugins (Red Hat package) - update to 3.11.1603460090-1.el7