Improper access control in IBM PowerVM Hypervisor

1) Permissions, Privileges, and Access Controls

EUVDB-ID: #VU65383

Risk: Low

CVSSv3.1: 6.6 [CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:N/I:H/A:L/E:U/RL:O/RC:C]

CVE-ID: CVE-2022-22445

CWE-ID: CWE-264 - Permissions, Privileges, and Access Controls

Exploit availability: No

Description

The vulnerability allows a remote user to compromise partition firmware.

The vulnerability exists due to application does not properly impose security restrictions. A remote user with service access to the FSP (POWER9 only) or admin authority to a partition can compromise partition firmware.

Mitigation

Install update from vendor's website.

Vulnerable software versions

PowerVM Hypervisor: FW950 - FW1010

External links

http://www.ibm.com/support/pages/node/6604071

Q & A

Can this vulnerability be exploited remotely?

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

How the attacker can exploit this vulnerability?

The attacker would have to trick the victim to open a a specially crafted file.

Is there known malware, which exploits this vulnerability?

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