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SUSE SLES12 Security Update : samba (SUSE-SU-2020:2724-1)

medium Nessus Plugin ID 143807

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Synopsis

The remote SUSE host is missing one or more security updates.

Description

This update for samba fixes the following issues :

ZeroLogon: An elevation of privilege was possible with some configurations when an attacker established a vulnerable Netlogon secure channel connection to a domain controller, using the Netlogon Remote Protocol (MS-NRPC) (CVE-2020-1472, bsc#1176579).

Note that Tenable Network Security has extracted the preceding description block directly from the SUSE security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

Solution

To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or 'zypper patch'.

Alternatively you can run the command listed for your product :

SUSE OpenStack Cloud 7 :

zypper in -t patch SUSE-OpenStack-Cloud-7-2020-2724=1

SUSE Linux Enterprise Server for SAP 12-SP2 :

zypper in -t patch SUSE-SLE-SAP-12-SP2-2020-2724=1

SUSE Linux Enterprise Server 12-SP2-LTSS :

zypper in -t patch SUSE-SLE-SERVER-12-SP2-2020-2724=1

SUSE Linux Enterprise Server 12-SP2-BCL :

zypper in -t patch SUSE-SLE-SERVER-12-SP2-BCL-2020-2724=1

SUSE Linux Enterprise High Availability 12-SP2 :

zypper in -t patch SUSE-SLE-HA-12-SP2-2020-2724=1

See Also

https://bugzilla.suse.com/show_bug.cgi?id=1176579

https://www.suse.com/security/cve/CVE-2020-1472/

http://www.nessus.org/u?5a60bae9

Plugin Details

Severity: Medium

ID: 143807

File Name: suse_SU-2020-2724-1.nasl

Version: 1.10

Type: local

Agent: unix

Published: 12/9/2020

Updated: 2/5/2024

Supported Sensors: Frictionless Assessment AWS, Frictionless Assessment Azure, Frictionless Assessment Agent, Nessus Agent, Agentless Assessment, Continuous Assessment, Nessus

Risk Information

VPR

Risk Factor: High

Score: 7.5

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: 5.5

Temporal Score: 5.3

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

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

Vulnerability Information

CPE: p-cpe:/a:novell:suse_linux:libtevent-util0, p-cpe:/a:novell:suse_linux:libndr0-debuginfo, p-cpe:/a:novell:suse_linux:libsamba-credentials0, p-cpe:/a:novell:suse_linux:libtevent-util0-debuginfo, p-cpe:/a:novell:suse_linux:libnetapi0, p-cpe:/a:novell:suse_linux:libdcerpc0-debuginfo, p-cpe:/a:novell:suse_linux:samba-client-debuginfo, p-cpe:/a:novell:suse_linux:libdcerpc-binding0, p-cpe:/a:novell:suse_linux:samba, p-cpe:/a:novell:suse_linux:libsamba-errors0-debuginfo, p-cpe:/a:novell:suse_linux:libsamba-errors0, p-cpe:/a:novell:suse_linux:libdcerpc0, p-cpe:/a:novell:suse_linux:libdcerpc-binding0-debuginfo, p-cpe:/a:novell:suse_linux:samba-libs-debuginfo, p-cpe:/a:novell:suse_linux:libndr-krb5pac0, p-cpe:/a:novell:suse_linux:samba-debugsource, p-cpe:/a:novell:suse_linux:libsmbclient0-debuginfo, p-cpe:/a:novell:suse_linux:samba-libs, p-cpe:/a:novell:suse_linux:libndr-standard0, p-cpe:/a:novell:suse_linux:libsamba-util0-debuginfo, p-cpe:/a:novell:suse_linux:samba-winbind, p-cpe:/a:novell:suse_linux:libndr-standard0-debuginfo, p-cpe:/a:novell:suse_linux:libsamba-hostconfig0-debuginfo, p-cpe:/a:novell:suse_linux:libwbclient0-debuginfo, p-cpe:/a:novell:suse_linux:samba-winbind-debuginfo, p-cpe:/a:novell:suse_linux:libsamdb0-debuginfo, p-cpe:/a:novell:suse_linux:libsmbldap0, p-cpe:/a:novell:suse_linux:samba-client, p-cpe:/a:novell:suse_linux:libsmbldap0-debuginfo, p-cpe:/a:novell:suse_linux:libsmbclient0, p-cpe:/a:novell:suse_linux:libsamdb0, p-cpe:/a:novell:suse_linux:libsmbconf0-debuginfo, p-cpe:/a:novell:suse_linux:libndr-krb5pac0-debuginfo, p-cpe:/a:novell:suse_linux:libnetapi0-debuginfo, p-cpe:/a:novell:suse_linux:libsamba-passdb0, p-cpe:/a:novell:suse_linux:libsamba-passdb0-debuginfo, cpe:/o:novell:suse_linux:12, p-cpe:/a:novell:suse_linux:libndr0, p-cpe:/a:novell:suse_linux:libndr-nbt0-debuginfo, p-cpe:/a:novell:suse_linux:libsamba-util0, p-cpe:/a:novell:suse_linux:libndr-nbt0, p-cpe:/a:novell:suse_linux:libwbclient0, p-cpe:/a:novell:suse_linux:libsamba-hostconfig0, p-cpe:/a:novell:suse_linux:libsmbconf0, p-cpe:/a:novell:suse_linux:libsamba-credentials0-debuginfo, p-cpe:/a:novell:suse_linux:samba-debuginfo

Required KB Items: Host/local_checks_enabled, Host/cpu, Host/SuSE/release, Host/SuSE/rpm-list

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 9/23/2020

Vulnerability Publication Date: 8/17/2020

CISA Known Exploited Vulnerability Due Dates: 9/21/2020

Reference Information

CVE: CVE-2020-1472

CISA-NCAS: AA22-011A