Detections
Analytics
RHEL 7 / 8 : OpenShift Container Platform 4.7.19 packages and (RHSA-2021:2555)
high Nessus Plugin ID 151426
Language:
Synopsis
The remote Red Hat host is missing one or more security updates.Description
The remote Redhat Enterprise Linux 7 / 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2021:2555 advisory.- dhcp: stack-based buffer overflow when parsing statements with colon-separated hex digits in config or lease files in dhcpd and dhclient (CVE-2021-25217)
- polkit: local privilege escalation using polkit_system_bus_name_get_creds_sync() (CVE-2021-3560)
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 packages.See Also
https://access.redhat.com/security/cve/CVE-2021-3560
https://access.redhat.com/security/cve/CVE-2021-25217
https://access.redhat.com/errata/RHSA-2021:2555
Plugin Details
Severity: High
ID: 151426
File Name: redhat-RHSA-2021-2555.nasl
Version: 1.15
Type: local
Agent: unix
Family: Red Hat Local Security Checks
Published: 7/6/2021
Updated: 12/8/2023
Supported Sensors: Frictionless Assessment AWS, Frictionless Assessment Azure, Frictionless Assessment Agent, Nessus Agent, Agentless Assessment, Nessus
Risk Information
VPR
Risk Factor: Critical
Score: 9.4
CVSS v2
Risk Factor: High
Base Score: 7.2
Temporal Score: 6.3
Vector: CVSS2#AV:L/AC:L/Au:N/C:C/I:C/A:C
CVSS Score Source: CVE-2021-3560
CVSS v3
Risk Factor: High
Base Score: 7.8
Temporal Score: 7.5
Vector: CVSS:3.0/AV:L/AC:L/PR:L/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:7, cpe:/o:redhat:enterprise_linux:8, p-cpe:/a:redhat:enterprise_linux:cri-o, p-cpe:/a:redhat:enterprise_linux:dhcp-client, p-cpe:/a:redhat:enterprise_linux:dhcp-common, p-cpe:/a:redhat:enterprise_linux:dhcp-libs, p-cpe:/a:redhat:enterprise_linux:openshift-clients, p-cpe:/a:redhat:enterprise_linux:openshift-clients-redistributable, p-cpe:/a:redhat:enterprise_linux:openshift-kuryr-cni, p-cpe:/a:redhat:enterprise_linux:openshift-kuryr-common, p-cpe:/a:redhat:enterprise_linux:openshift-kuryr-controller, p-cpe:/a:redhat:enterprise_linux:polkit, p-cpe:/a:redhat:enterprise_linux:polkit-libs, p-cpe:/a:redhat:enterprise_linux:python3-kuryr-kubernetes
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: 7/6/2021
Vulnerability Publication Date: 5/26/2021
CISA Known Exploited Vulnerability Due Dates: 6/2/2023
Exploitable With
Metasploit (Polkit D-Bus Authentication Bypass)
Reference Information
CVE: CVE-2021-25217, CVE-2021-3560