Vulnerability identifier: #VU65769

Vulnerability risk: Medium

CVSSv3.1: 4.7 [CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2022-2403

CWE-ID: CWE-200

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Red Hat OpenShift Container Platform
Client/Desktop applications / Software for system administration

Vendor: Red Hat Inc.

Description

The vulnerability allows a remote attacker to gain access to potentially sensitive information.

The vulnerability exists due to the private key for the external cluster certificate is stored incorrectly in the oauth-serving-cert ConfigMaps and accessible to any authenticated OpenShift user or service-account. A remote user can read the oauth-serving-cert ConfigMap in the openshift-config-managed namespace and compromise any web traffic secured using that certificate.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Red Hat OpenShift Container Platform: 4.10 - 4.10.23

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External links
http://bugzilla.redhat.com/show_bug.cgi?id=2101959
http://access.redhat.com/errata/RHSA-2022:5664

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.