Detections
Analytics
RHEL 7 : RHV-H security update (redhat-virtualization-host) 4.3.21 (Important) (RHSA-2022:0443)
high Nessus Plugin ID 157414
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Synopsis
The remote Red Hat host is missing one or more security updates for RHV-H.Description
The remote Redhat Enterprise Linux 7 host has a package installed that is affected by multiple vulnerabilities as referenced in the RHSA-2022:0443 advisory.The redhat-virtualization-host packages provide the Red Hat Virtualization Host.
These packages include redhat-release-virtualization-host. Red Hat Virtualization Hosts (RHVH) are installed using a special build of Red Hat Enterprise Linux with only the packages required to host virtual machines. RHVH features a Cockpit user interface for monitoring the host's resources and performing administrative tasks.
Security Fix(es):
* polkit: Local privilege escalation in pkexec due to incorrect handling of argument vector (CVE-2021-4034)
* samba: Active Directory (AD) domain user could become root on domain members (CVE-2020-25717)
For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.
Tenable has extracted the preceding description block directly from the Red Hat Enterprise Linux security advisory.
Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.
Solution
Update the RHEL RHV-H package based on the guidance in RHSA-2022:0443.See Also
http://www.nessus.org/u?49a9f287
https://access.redhat.com/security/updates/classification/#important
https://access.redhat.com/security/vulnerabilities/RHSB-2022-001
https://access.redhat.com/errata/RHSA-2022:0443
Plugin Details
Severity: High
ID: 157414
File Name: redhat-RHSA-2022-0443.nasl
Version: 1.18
Type: local
Agent: unix
Family: Red Hat Local Security Checks
Published: 2/8/2022
Updated: 11/7/2024
Supported Sensors: Agentless Assessment, Continuous Assessment, Frictionless Assessment Agent, Frictionless Assessment AWS, Frictionless Assessment Azure, Nessus Agent, Nessus
Risk Information
VPR
Risk Factor: Critical
Score: 9.8
Vendor
Vendor Severity: Important
CVSS v2
Risk Factor: High
Base Score: 8.5
Temporal Score: 7.4
Vector: CVSS2#AV:N/AC:L/Au:S/C:C/I:C/A:N
CVSS Score Source: CVE-2020-25717
CVSS v3
Risk Factor: High
Base Score: 8.1
Temporal Score: 7.7
Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
Temporal Vector: CVSS:3.0/E:H/RL:O/RC:C
Vulnerability Information
CPE: p-cpe:/a:redhat:enterprise_linux:redhat-virtualization-host-image-update, p-cpe:/a:redhat:enterprise_linux:redhat-virtualization-host, cpe:/o:redhat:enterprise_linux:7
Required KB Items: Host/local_checks_enabled, Host/RedHat/release, Host/RedHat/rpm-list, Host/cpu
Exploit Available: true
Exploit Ease: Exploits are available
Patch Publication Date: 2/7/2022
Vulnerability Publication Date: 11/9/2021
CISA Known Exploited Vulnerability Due Dates: 7/18/2022
Exploitable With
CANVAS (CANVAS)
Core Impact
Metasploit (Local Privilege Escalation in polkits pkexec)
Reference Information
CVE: CVE-2020-25717, CVE-2021-4034