SUSE SLES12 Security Update : open-iscsi (SUSE-SU-2021:0663-1)

critical Nessus Plugin ID 146944

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Synopsis

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

Description

This update for open-iscsi fixes the following issues :

Fixes for CVE-2019-17437, CVE-2020-17438, CVE-2020-13987 and CVE-2020-13988 (bsc#1179908) :

check for TCP urgent pointer past end of frame

check for u8 overflow when processing TCP options

check for header length underflow during checksum calculation

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-9-2021-663=1

SUSE OpenStack Cloud 9 :

zypper in -t patch SUSE-OpenStack-Cloud-9-2021-663=1

SUSE Linux Enterprise Server for SAP 12-SP4 :

zypper in -t patch SUSE-SLE-SAP-12-SP4-2021-663=1

SUSE Linux Enterprise Server 12-SP5 :

zypper in -t patch SUSE-SLE-SERVER-12-SP5-2021-663=1

SUSE Linux Enterprise Server 12-SP4-LTSS :

zypper in -t patch SUSE-SLE-SERVER-12-SP4-LTSS-2021-663=1

See Also

https://bugzilla.suse.com/show_bug.cgi?id=1179908

https://www.suse.com/security/cve/CVE-2020-13987/

https://www.suse.com/security/cve/CVE-2020-13988/

https://www.suse.com/security/cve/CVE-2020-17437/

https://www.suse.com/security/cve/CVE-2020-17438/

http://www.nessus.org/u?a53f165d

Plugin Details

Severity: Critical

ID: 146944

File Name: suse_SU-2021-0663-1.nasl

Version: 1.4

Type: local

Agent: unix

Published: 3/2/2021

Updated: 1/18/2024

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: 5.9

CVSS v2

Risk Factor: High

Base Score: 7.5

Temporal Score: 5.5

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

CVSS Score Source: CVE-2020-17438

CVSS v3

Risk Factor: Critical

Base Score: 9.8

Temporal Score: 8.5

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

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

Vulnerability Information

CPE: cpe:/o:novell:suse_linux:12, p-cpe:/a:novell:suse_linux:libopeniscsiusr0_2_0, p-cpe:/a:novell:suse_linux:open-iscsi-debuginfo, p-cpe:/a:novell:suse_linux:open-iscsi-debugsource, p-cpe:/a:novell:suse_linux:iscsiuio-debuginfo, p-cpe:/a:novell:suse_linux:libopeniscsiusr0_2_0-debuginfo, p-cpe:/a:novell:suse_linux:open-iscsi, p-cpe:/a:novell:suse_linux:iscsiuio

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

Exploit Ease: No known exploits are available

Patch Publication Date: 3/1/2021

Vulnerability Publication Date: 12/5/2019

Reference Information

CVE: CVE-2019-17437, CVE-2020-13987, CVE-2020-13988, CVE-2020-17437, CVE-2020-17438