SUSE SLES12 Security Update : grub2 (SUSE-SU-2020:2305-1)

Medium Nessus Plugin ID 139840

New! Vulnerability Priority Rating (VPR)

Tenable calculates a dynamic VPR for every vulnerability. VPR combines vulnerability information with threat intelligence and machine learning algorithms to predict which vulnerabilities are most likely to be exploited in attacks. Read more about what VPR is and how it's different from CVSS.

VPR Score: 6.7

Synopsis

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

Description

This update for grub2 fixes the following issues :

CVE-2020-15705: Fail kernel validation without shim protocol (bsc#1174421).

Add fibre channel device's ofpath support to grub-ofpathname and search hint to speed up root device discovery (bsc#1172745).

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-9-2020-2305=1

SUSE OpenStack Cloud 9 :

zypper in -t patch SUSE-OpenStack-Cloud-9-2020-2305=1

SUSE Linux Enterprise Server for SAP 12-SP4 :

zypper in -t patch SUSE-SLE-SAP-12-SP4-2020-2305=1

SUSE Linux Enterprise Server 12-SP5 :

zypper in -t patch SUSE-SLE-SERVER-12-SP5-2020-2305=1

SUSE Linux Enterprise Server 12-SP4-LTSS :

zypper in -t patch SUSE-SLE-SERVER-12-SP4-LTSS-2020-2305=1

See Also

https://bugzilla.suse.com/show_bug.cgi?id=1172745

https://bugzilla.suse.com/show_bug.cgi?id=1174421

https://www.suse.com/security/cve/CVE-2020-15705/

http://www.nessus.org/u?916b2d2e

Plugin Details

Severity: Medium

ID: 139840

File Name: suse_SU-2020-2305-1.nasl

Version: 1.3

Type: local

Agent: unix

Published: 2020/08/26

Updated: 2020/09/11

Dependencies: 12634

Risk Information

Risk Factor: Medium

VPR Score: 6.7

CVSS v2.0

Base Score: 4.4

Temporal Score: 3.3

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

Temporal Vector: CVSS2#E:U/RL:OF/RC:C

CVSS v3.0

Base Score: 6.4

Temporal Score: 5.6

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

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

Vulnerability Information

CPE: p-cpe:/a:novell:suse_linux:grub2, p-cpe:/a:novell:suse_linux:grub2-debuginfo, p-cpe:/a:novell:suse_linux:grub2-debugsource, p-cpe:/a:novell:suse_linux:grub2-i386-pc, p-cpe:/a:novell:suse_linux:grub2-s390x-emu, p-cpe:/a:novell:suse_linux:grub2-x86_64-efi, cpe:/o:novell:suse_linux:12

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: 2020/08/25

Vulnerability Publication Date: 2020/07/29

Reference Information

CVE: CVE-2020-15705

IAVA: 2020-A-0349