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SUSE SLES12 Security Update : dhcp (SUSE-SU-2021:1822-1)

high Nessus Plugin ID 150201

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Synopsis

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

Description

This update for dhcp fixes the following issues :

CVE-2021-25217: A buffer overrun in lease file parsing code can be used to exploit a common vulnerability shared by dhcpd and dhclient (bsc#1186382)

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 Crowbar 9 :

zypper in -t patch SUSE-OpenStack-Cloud-Crowbar-9-2021-1822=1

SUSE OpenStack Cloud Crowbar 8 :

zypper in -t patch SUSE-OpenStack-Cloud-Crowbar-8-2021-1822=1

SUSE OpenStack Cloud 9 :

zypper in -t patch SUSE-OpenStack-Cloud-9-2021-1822=1

SUSE OpenStack Cloud 8 :

zypper in -t patch SUSE-OpenStack-Cloud-8-2021-1822=1

SUSE Linux Enterprise Software Development Kit 12-SP5 :

zypper in -t patch SUSE-SLE-SDK-12-SP5-2021-1822=1

SUSE Linux Enterprise Server for SAP 12-SP4 :

zypper in -t patch SUSE-SLE-SAP-12-SP4-2021-1822=1

SUSE Linux Enterprise Server for SAP 12-SP3 :

zypper in -t patch SUSE-SLE-SAP-12-SP3-2021-1822=1

SUSE Linux Enterprise Server 12-SP5 :

zypper in -t patch SUSE-SLE-SERVER-12-SP5-2021-1822=1

SUSE Linux Enterprise Server 12-SP4-LTSS :

zypper in -t patch SUSE-SLE-SERVER-12-SP4-LTSS-2021-1822=1

SUSE Linux Enterprise Server 12-SP3-LTSS :

zypper in -t patch SUSE-SLE-SERVER-12-SP3-2021-1822=1

SUSE Linux Enterprise Server 12-SP3-BCL :

zypper in -t patch SUSE-SLE-SERVER-12-SP3-BCL-2021-1822=1

SUSE Linux Enterprise Server 12-SP2-BCL :

zypper in -t patch SUSE-SLE-SERVER-12-SP2-BCL-2021-1822=1

HPE Helion Openstack 8 :

zypper in -t patch HPE-Helion-OpenStack-8-2021-1822=1

See Also

https://bugzilla.suse.com/show_bug.cgi?id=1186382

https://www.suse.com/security/cve/CVE-2021-25217/

http://www.nessus.org/u?d2148102

Plugin Details

Severity: High

ID: 150201

File Name: suse_SU-2021-1822-1.nasl

Version: 1.4

Type: local

Agent: unix

Published: 6/3/2021

Updated: 12/27/2023

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

Risk Information

VPR

Risk Factor: Medium

Score: 5.2

CVSS v2

Risk Factor: Low

Base Score: 3.3

Temporal Score: 2.6

Vector: CVSS2#AV:A/AC:L/Au:N/C:N/I:N/A:P

CVSS Score Source: CVE-2021-25217

CVSS v3

Risk Factor: High

Base Score: 7.4

Temporal Score: 6.7

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

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

Vulnerability Information

CPE: cpe:/o:novell:suse_linux:12, p-cpe:/a:novell:suse_linux:dhcp-client, p-cpe:/a:novell:suse_linux:dhcp-client-debuginfo, p-cpe:/a:novell:suse_linux:dhcp-debuginfo, p-cpe:/a:novell:suse_linux:dhcp, p-cpe:/a:novell:suse_linux:dhcp-debugsource, p-cpe:/a:novell:suse_linux:dhcp-relay, p-cpe:/a:novell:suse_linux:dhcp-server-debuginfo, p-cpe:/a:novell:suse_linux:dhcp-relay-debuginfo, p-cpe:/a:novell:suse_linux:dhcp-server

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: 6/1/2021

Reference Information

CVE: CVE-2021-25217