Information disclosure in OpenStack Sushy-Tools

1) Improper Preservation of Permissions

EUVDB-ID: #VU70141

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 - Improper preservation of permissions

Exploit availability: No

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

Sushy-Tools: 0.1.0 - 0.21.0

CPE2.3

• cpe:2.3:a:openstack:sushy-tools:0.1.0:*:*:*:*:*:*:*
• cpe:2.3:a:openstack:sushy-tools:0.2.0:*:*:*:*:*:*:*
• cpe:2.3:a:openstack:sushy-tools:0.3.0:*:*:*:*:*:*:*

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

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.