Multiple vulnerabilities in OpenShift Virtualization 4.11



Published: 2022-09-19
Risk Medium
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2022-27191
CWE-ID CWE-327
Exploitation vector Network
Public exploit N/A
Vulnerable software
Subscribe 		kubevirt (Red Hat package)
Operating systems & Components / Operating system package or component

OpenShift Virtualization
Server applications / Virtualization software

Vendor Red Hat Inc.

Security Bulletin

This security bulletin contains one medium risk vulnerability.

1) Use of a broken or risky cryptographic algorithm

EUVDB-ID: #VU62039

Risk: Medium

CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2022-27191

CWE-ID: CWE-327 - Use of a Broken or Risky Cryptographic Algorithm

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to an error in golang.org/x/crypto/ssh before 0.0.0-20220314234659-1baeb1ce4c0b, as used in Go programming language. A remote attacker can crash a server in certain circumstances involving AddHostKey.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

kubevirt (Red Hat package): 4.8.3-251.el8 - 4.10.1-489.el8

OpenShift Virtualization: before 4.11.0

External links

http://access.redhat.com/errata/RHSA-2022:6527


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.



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