Red Hat Virtualization 4 update for samba

1) Permissions, Privileges, and Access Controls

EUVDB-ID: #VU58097

Risk: Medium

CVSSv4.0: 6.2 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2020-25717

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

Exploit availability: No

Description

The vulnerability allows a remote attacker to escalate privileges on the system.

The vulnerability exists due to the Windows Active Directory (AD) domains have by default a feature to allow users to create computer accounts. A remote authenticated attacker can create such account with elevated privileges on the system.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

redhat-release-virtualization-host (Red Hat package): 4.4.9-2.el8ev - 4.4.9-3.el8ev

Red Hat Virtualization Host: 4

Red Hat Virtualization: 4

CPE2.3

• cpe:2.3:a:red_hat:redhat-release-virtualization-host_redhat_package:4.4.9-2.el8ev:*:*:*:*:red_hat_enterprise_linux:*:*
• cpe:2.3:a:red_hat:redhat-release-virtualization-host_redhat_package:4.4.9-3.el8ev:*:*:*:*:red_hat_enterprise_linux:*:*
• cpe:2.3:a:red_hat:red_hat_virtualization_host:4:*:*:*:*:*:*:*
• cpe:2.3:a:red_hat:red_hat_virtualization:4:*:*:*:*:*:*:*

External links

https://access.redhat.com/errata/RHSA-2022:0133

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.