#VU71363 Use of a broken or risky cryptographic algorithm in Red Hat OpenShift Container Platform - CVE-2023-0296

Vulnerability identifier: #VU71363

Vulnerability risk: Medium

CVSSv4.0: 2.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2023-0296

CWE-ID: CWE-327

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 perform MitM attack.

The vulnerability exists due to usage of weak 64-bit block ciphers vulnerable to Birthday attack within the etcd grpc-proxy component. A remote attacker can perform MitM attack.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Red Hat OpenShift Container Platform: before 4.12.0, 4.12.0

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External links
https://bugzilla.redhat.com/show_bug.cgi?id=2161287

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

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