#VU70141 Improper Preservation of Permissions in VirtualBMC - CVE-2022-44020

Vulnerability identifier: #VU70141

Vulnerability risk: Low

CVSSv4.0: 4.3 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2022-44020

CWE-ID: CWE-281

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
VirtualBMC
Server applications / Remote management servers, RDP, SSH

Vendor: Openstack

Description

The vulnerability allows a local user to gain access to sensitive information.

The vulnerability exists due to an error caused by changing boot device configuration, which removes password protection from the managed libvirt XML domain. A local user can gain unauthorized access to sensitive information.

Mitigation
Install update from vendor's website.

Vulnerable software versions

VirtualBMC: 0.1.0 - 3.0.0

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External links
https://storyboard.openstack.org/#!/story/2010382
https://review.opendev.org/c/openstack/virtualbmc/+/862620
https://review.opendev.org/c/openstack/sushy-tools/+/862625
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/GAD7QJIUWPCKJIGYP7PPHH5DILOEONFE/
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/QMSUGS4B6EBRHBJMTRXL5RIKJTZTEMJC/
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/KEQVJF3OQGSDCSQTQQSC54JEGLMSNB4Q/
https://bugzilla.redhat.com/show_bug.cgi?id=2142678

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Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

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