Vulnerability identifier: #VU71363

Vulnerability risk: Medium

CVSSv3.1: 5.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N/E:U/RL:O/RC:C]

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:

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

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External links
http://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.