Multiple vulnerabilities in OpenShift Virtualization 4.11
| 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 |
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
CVSSv4.0: 6.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]
CVE-ID: CVE-2022-27191
CWE-ID:
CWE-327 - Use of a Broken or Risky Cryptographic Algorithm
Exploit availability: No
DescriptionThe 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.
MitigationInstall updates from vendor's website.
kubevirt (Red Hat package): 4.8.3-251.el8 - 4.10.1-489.el8
OpenShift Virtualization: before 4.11.0
CPE2.3- cpe:2.3:a:red_hat:kubevirt_redhat_package:4.8.3-251.el8:*:*:*:*:red_hat_enterprise_linux:*:*
- cpe:2.3:a:red_hat:kubevirt_redhat_package:4.8.5-278.el8:*:*:*:*:red_hat_enterprise_linux:*:*
- cpe:2.3:a:red_hat:kubevirt_redhat_package:4.10.1-489.el8:*:*:*:*:red_hat_enterprise_linux:*:*
- cpe:2.3:a:red_hat:openshift_virtualization:*:*:*:*:*:red_hat_openshift_container_platform:*:*
https://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.
