Detections
Analytics
RHEL 8 : Red Hat Virtualization Host security and bug fix update [ovirt-4.4.9] 0-day (Important) (RHSA-2021:4750)
critical Nessus Plugin ID 155654
Language:
Synopsis
The remote Red Hat host is missing one or more security updates.Description
The remote Redhat Enterprise Linux 8 host has a package installed that is affected by multiple vulnerabilities as referenced in the RHSA-2021:4750 advisory.- libssh: NULL pointer dereference in sftpserver.c if ssh_buffer_new returns NULL (CVE-2020-16135)
- kernel: out-of-bounds write due to a heap buffer overflow in __hidinput_change_resolution_multipliers() of hid-input.c (CVE-2021-0512)
- Ansible: ansible-connection module discloses sensitive info in traceback error message (CVE-2021-3620)
- kernel: Insufficient validation of user-supplied sizes for the MSG_CRYPTO message type (CVE-2021-43267)
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 affected redhat-virtualization-host-image-update package.See Also
https://access.redhat.com/security/cve/CVE-2020-16135
https://access.redhat.com/security/cve/CVE-2021-0512
https://access.redhat.com/security/cve/CVE-2021-3620
https://access.redhat.com/security/cve/CVE-2021-43267
https://access.redhat.com/errata/RHSA-2021:4750
https://bugzilla.redhat.com/1862456
https://bugzilla.redhat.com/1974491
Plugin Details
Severity: Critical
ID: 155654
File Name: redhat-RHSA-2021-4750.nasl
Version: 1.6
Type: local
Agent: unix
Family: Red Hat Local Security Checks
Published: 11/20/2021
Updated: 2/2/2023
Supported Sensors: Agentless Assessment, Frictionless Assessment Agent, Frictionless Assessment AWS, Frictionless Assessment Azure, Nessus Agent, Nessus
Risk Information
VPR
Risk Factor: High
Score: 8.9
CVSS v2
Risk Factor: High
Base Score: 7.5
Temporal Score: 6.5
Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:P
CVSS Score Source: CVE-2021-43267
CVSS v3
Risk Factor: Critical
Base Score: 9.8
Temporal Score: 9.4
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Temporal Vector: CVSS:3.0/E:H/RL:O/RC:C
Vulnerability Information
CPE: cpe:/o:redhat:enterprise_linux:8, p-cpe:/a:redhat:enterprise_linux:redhat-virtualization-host-image-update
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: 11/19/2021
Vulnerability Publication Date: 7/29/2020
Reference Information
CVE: CVE-2020-16135, CVE-2021-0512, CVE-2021-3620, CVE-2021-43267