RHEL 7 : samba (RHSA-2020:5439)
critical Nessus Plugin ID 144423
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Synopsis
The remote Red Hat host is missing one or more security updates.Description
The remote Redhat Enterprise Linux 7 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2020:5439 advisory.- samba: Missing handle permissions check in SMB1/2/3 ChangeNotify (CVE-2020-14318)
- samba: Unprivileged user can crash winbind (CVE-2020-14323)
- samba: Netlogon elevation of privilege vulnerability (Zerologon) (CVE-2020-1472)
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-2020-1472
https://access.redhat.com/security/cve/CVE-2020-14318
https://access.redhat.com/security/cve/CVE-2020-14323
https://access.redhat.com/errata/RHSA-2020:5439
https://bugzilla.redhat.com/1879822
Plugin Details
Severity: Critical
ID: 144423
File Name: redhat-RHSA-2020-5439.nasl
Version: 1.10
Type: local
Agent: unix
Family: Red Hat Local Security Checks
Published: 12/18/2020
Updated: 1/23/2023
Supported Sensors: Frictionless Assessment AWS, Frictionless Assessment Azure, Frictionless Assessment Agent, Nessus Agent, Agentless Assessment
Risk Information
VPR
Risk Factor: Critical
Score: 10
CVSS v2
Risk Factor: High
Base Score: 9.3
Temporal Score: 8.1
Vector: CVSS2#AV:N/AC:M/Au:N/C:C/I:C/A:C
Temporal Vector: CVSS2#E:H/RL:OF/RC:C
CVSS Score Source: CVE-2020-1472
CVSS v3
Risk Factor: Critical
Base Score: 10
Temporal Score: 9.5
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
Temporal Vector: CVSS:3.0/E:H/RL:O/RC:C
Vulnerability Information
CPE: cpe:2.3:o:redhat:enterprise_linux:7:*:*:*:*:*:*:*, p-cpe:2.3:a:redhat:enterprise_linux:samba:*:*:*:*:*:*:*, p-cpe:2.3:a:redhat:enterprise_linux:samba-client:*:*:*:*:*:*:*, p-cpe:2.3:a:redhat:enterprise_linux:samba-common:*:*:*:*:*:*:*, p-cpe:2.3:a:redhat:enterprise_linux:libsmbclient:*:*:*:*:*:*:*, p-cpe:2.3:a:redhat:enterprise_linux:libsmbclient-devel:*:*:*:*:*:*:*, p-cpe:2.3:a:redhat:enterprise_linux:samba-winbind:*:*:*:*:*:*:*, p-cpe:2.3:a:redhat:enterprise_linux:samba-winbind-clients:*:*:*:*:*:*:*, p-cpe:2.3:a:redhat:enterprise_linux:samba-winbind-krb5-locator:*:*:*:*:*:*:*, p-cpe:2.3:a:redhat:enterprise_linux:ctdb:*:*:*:*:*:*:*, p-cpe:2.3:a:redhat:enterprise_linux:ctdb-tests:*:*:*:*:*:*:*, p-cpe:2.3:a:redhat:enterprise_linux:libwbclient:*:*:*:*:*:*:*, p-cpe:2.3:a:redhat:enterprise_linux:libwbclient-devel:*:*:*:*:*:*:*, p-cpe:2.3:a:redhat:enterprise_linux:samba-client-libs:*:*:*:*:*:*:*, p-cpe:2.3:a:redhat:enterprise_linux:samba-common-libs:*:*:*:*:*:*:*, p-cpe:2.3:a:redhat:enterprise_linux:samba-common-tools:*:*:*:*:*:*:*, p-cpe:2.3:a:redhat:enterprise_linux:samba-dc:*:*:*:*:*:*:*, p-cpe:2.3:a:redhat:enterprise_linux:samba-dc-libs:*:*:*:*:*:*:*, p-cpe:2.3:a:redhat:enterprise_linux:samba-devel:*:*:*:*:*:*:*, p-cpe:2.3:a:redhat:enterprise_linux:samba-libs:*:*:*:*:*:*:*, p-cpe:2.3:a:redhat:enterprise_linux:samba-pidl:*:*:*:*:*:*:*, p-cpe:2.3:a:redhat:enterprise_linux:samba-python:*:*:*:*:*:*:*, p-cpe:2.3:a:redhat:enterprise_linux:samba-test:*:*:*:*:*:*:*, p-cpe:2.3:a:redhat:enterprise_linux:samba-test-libs:*:*:*:*:*:*:*, p-cpe:2.3:a:redhat:enterprise_linux:samba-vfs-glusterfs:*:*:*:*:*:*:*, p-cpe:2.3:a:redhat:enterprise_linux:samba-winbind-modules:*:*:*:*:*:*:*, p-cpe:2.3:a:redhat:enterprise_linux:samba-krb5-printing:*:*:*:*:*:*:*, p-cpe:2.3:a:redhat:enterprise_linux:samba-python-test:*:*:*:*:*:*:*
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: 12/15/2020
Vulnerability Publication Date: 8/11/2020
CISA Known Exploited Dates: 9/21/2020