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Scientific Linux Security Update : samba on SL7.x i686/x86_64 (2020:5439)

medium Nessus Plugin ID 144296

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Synopsis

The remote Scientific Linux host is missing one or more security updates.

Description

The remote Scientific Linux 7 host has packages installed that are affected by multiple vulnerabilities as referenced in the SLSA-2020:5439-1 advisory.

 - samba: Netlogon elevation of privilege vulnerability (Zerologon) (CVE-2020-1472)

 - samba: Missing handle permissions check in SMB1/2/3 ChangeNotify (CVE-2020-14318)

 - samba: Unprivileged user can crash winbind (CVE-2020-14323)

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

Solution

Update the affected packages.

See Also

https://www.scientificlinux.org/category/sl-errata/slsa-20205439-1

Plugin Details

Severity: Medium

ID: 144296

File Name: sl_20201215_samba_on_SL7_x.nasl

Version: 1.10

Type: local

Agent: unix

Published: 12/15/2020

Updated: 11/29/2024

Supported Sensors: Nessus Agent, Nessus

Risk Information

VPR

Risk Factor: Critical

Score: 10.0

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

CVSS Score Source: CVE-2020-1472

CVSS v3

Risk Factor: Medium

Base Score: 4.3

Temporal Score: 4.1

Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

Temporal Vector: CVSS:3.0/E:H/RL:O/RC:C

CVSS Score Source: CVE-2020-14318

Vulnerability Information

CPE: p-cpe:/a:fermilab:scientific_linux:samba-test-libs, p-cpe:/a:fermilab:scientific_linux:samba-winbind-modules, cpe:/o:fermilab:scientific_linux, p-cpe:/a:fermilab:scientific_linux:samba-python, p-cpe:/a:fermilab:scientific_linux:libwbclient-devel, p-cpe:/a:fermilab:scientific_linux:samba-client-libs, p-cpe:/a:fermilab:scientific_linux:samba, p-cpe:/a:fermilab:scientific_linux:libwbclient, p-cpe:/a:fermilab:scientific_linux:samba-winbind-krb5-locator, p-cpe:/a:fermilab:scientific_linux:samba-client, p-cpe:/a:fermilab:scientific_linux:samba-devel, p-cpe:/a:fermilab:scientific_linux:samba-common-libs, p-cpe:/a:fermilab:scientific_linux:libsmbclient, p-cpe:/a:fermilab:scientific_linux:libsmbclient-devel, p-cpe:/a:fermilab:scientific_linux:samba-common-tools, p-cpe:/a:fermilab:scientific_linux:samba-common, p-cpe:/a:fermilab:scientific_linux:samba-vfs-glusterfs, p-cpe:/a:fermilab:scientific_linux:samba-winbind, p-cpe:/a:fermilab:scientific_linux:samba-debuginfo, p-cpe:/a:fermilab:scientific_linux:samba-krb5-printing, p-cpe:/a:fermilab:scientific_linux:samba-libs, p-cpe:/a:fermilab:scientific_linux:samba-pidl, p-cpe:/a:fermilab:scientific_linux:samba-test, p-cpe:/a:fermilab:scientific_linux:samba-python-test, p-cpe:/a:fermilab:scientific_linux:samba-dc, p-cpe:/a:fermilab:scientific_linux:samba-dc-libs, p-cpe:/a:fermilab:scientific_linux:samba-winbind-clients

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 Vulnerability Due Dates: 9/21/2020

Reference Information

CVE: CVE-2020-14318, CVE-2020-14323, CVE-2020-1472

CISA-NCAS: AA22-011A

RHSA: RHSA-2020:5439