Information disclosure in OpenStack Cinder

1) External Control of File Name or Path

EUVDB-ID: #VU71714

Risk: Medium

CVSSv4.0: 4.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2022-47951

CWE-ID: CWE-73 - External Control of File Name or Path

Exploit availability: No

Description

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

The vulnerability exists due to application allows an attacker to control path of the files when processing VMDK flat images. A remote user can create a specially crafted VMDK flat image that references a specific backing file path and convince systems to return a copy of that file's contents from the server, resulting in unauthorized access to potentially sensitive data.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Cinder: 19.0.0 - 21.0.0

CPE2.3

• cpe:2.3:a:openstack:cinder:19.0.0:*:*:*:*:*:*:*
• cpe:2.3:a:openstack:cinder:19.1.0:*:*:*:*:*:*:*
• cpe:2.3:a:openstack:cinder:19.1.1:*:*:*:*:*:*:*
• cpe:2.3:a:openstack:cinder:19.2.0:*:*:*:*:*:*:*
• cpe:2.3:a:openstack:cinder:20.0.0:*:*:*:*:*:*:*
• cpe:2.3:a:openstack:cinder:20.0.1:*:*:*:*:*:*:*
• cpe:2.3:a:openstack:cinder:20.1.0:*:*:*:*:*:*:*
• cpe:2.3:a:openstack:cinder:21.0.0:*:*:*:*:*:*:*

External links

https://security.openstack.org/ossa/OSSA-2023-002.html

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.

Is there known malware, which exploits this vulnerability?

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