Input validation error in Git client - CVE-2022-36881

Vulnerability identifier: #VU65843

CSH Severity: Medium

CVSS v4: 6.3 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N]

CVE-ID: CVE-2022-36881

CWE-ID: CWE-20

Exploitation vector: Remote access

Exploit availability: No public exploit available

The vulnerability allows a remote attacker to compromise the target system.

The vulnerability exists due to the affected plugin does not perform SSH host key verification when connecting to Git repositories via SSH. A remote attacker can perform a man-in-the-middle (MitM) attack to intercept these connections

Git client
Red Hat OpenShift Container Platform
jenkins (Red Hat package)
jenkins-2-plugins (Red Hat package)
openshift (Red Hat package)
openshift-clients (Red Hat package)
python-kubernetes (Red Hat package)

Install updates from vendor's website.

Git client - update to 3.11.1
Red Hat OpenShift Container Platform - addressed in versions 4.8.56, 4.9.52, 4.10.41
jenkins (Red Hat package) - addressed in versions 2.346.1.1667459710-1.el8, 2.361.1.1672840472-1.el8
jenkins-2-plugins (Red Hat package) - addressed in versions 4.8.1672842762-1.el8, 4.9.1667460322-1.el8, 4.10.1667388055-1.el8
openshift (Red Hat package) - addressed in versions 4.9.0-202210242129.p0.g9e95cb9.assembly.stream.el7, 4.9.0-202210242129.p0.g9e95cb9.assembly.stream.el8
openshift-clients (Red Hat package) - addressed in versions 4.9.0-202210242129.p0.gb49c285.assembly.stream.el7, 4.9.0-202210242129.p0.gb49c285.assembly.stream.el8
python-kubernetes (Red Hat package) - update to 22.6.0-1.el8

• https://www.jenkins.io/security/advisory/2022-07-27/#SECURITY-1468
• http://www.openwall.com/lists/oss-security/2022/07/27/1

• Key Exchange without Entity Authentication in Jenkins Git client plugin
• MitM attack in Red Hat OpenShift Container Platform 4.10
• Multiple vulnerabilities in OpenShift Container Platform 4.9
• Multiple vulnerabilities in OpenShift Container Platform 4.8