openSUSE Security Update : grub2 (openSUSE-2020-1169)

medium Nessus Plugin ID 139449

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New! Plugin Severity Now Using CVSS v3

The calculated severity for Plugins has been updated to use CVSS v3 by default. Plugins that do not have a CVSS v3 score will fall back to CVSS v2 for calculating severity. Severity display preferences can be toggled in the settings dropdown.

Synopsis

The remote openSUSE host is missing a security update.

Description

This update for grub2 fixes the following issues :

- Fix for CVE-2020-10713 (bsc#1168994)

- Fix for CVE-2020-14308 CVE-2020-14309, CVE-2020-14310, CVE-2020-14311 (bsc#1173812)

- Fix for CVE-2020-15706 (bsc#1174463)

- Fix for CVE-2020-15707 (bsc#1174570)

- Use overflow checking primitives where the arithmetic expression for buffer

- Use grub_calloc for overflow check and return NULL when it would occur

This update was imported from the SUSE:SLE-15-SP2:Update update project.

Solution

Update the affected grub2 packages.

See Also

https://bugzilla.opensuse.org/show_bug.cgi?id=1168994

https://bugzilla.opensuse.org/show_bug.cgi?id=1173812

https://bugzilla.opensuse.org/show_bug.cgi?id=1174463

https://bugzilla.opensuse.org/show_bug.cgi?id=1174570

Plugin Details

Severity: Medium

ID: 139449

File Name: openSUSE-2020-1169.nasl

Version: 1.3

Type: local

Agent: unix

Published: 8/10/2020

Updated: 8/12/2020

Dependencies: ssh_get_info.nasl

Risk Information

CVSS Score Source: CVE-2020-14309

VPR

Risk Factor: High

Score: 8.9

CVSS v2

Risk Factor: Medium

Base Score: 4.6

Temporal Score: 3.4

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

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

CVSS v3

Risk Factor: Medium

Base Score: 6.7

Temporal Score: 5.8

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

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

Vulnerability Information

CPE: p-cpe:/a:novell:opensuse:grub2, p-cpe:/a:novell:opensuse:grub2-branding-upstream, p-cpe:/a:novell:opensuse:grub2-debuginfo, p-cpe:/a:novell:opensuse:grub2-debugsource, p-cpe:/a:novell:opensuse:grub2-i386-efi, p-cpe:/a:novell:opensuse:grub2-i386-efi-debug, p-cpe:/a:novell:opensuse:grub2-i386-pc, p-cpe:/a:novell:opensuse:grub2-i386-pc-debug, p-cpe:/a:novell:opensuse:grub2-i386-xen, p-cpe:/a:novell:opensuse:grub2-snapper-plugin, p-cpe:/a:novell:opensuse:grub2-systemd-sleep-plugin, p-cpe:/a:novell:opensuse:grub2-x86_64-efi, p-cpe:/a:novell:opensuse:grub2-x86_64-efi-debug, p-cpe:/a:novell:opensuse:grub2-x86_64-xen, cpe:/o:novell:opensuse:15.2

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

Exploit Ease: No known exploits are available

Patch Publication Date: 8/8/2020

Vulnerability Publication Date: 7/29/2020

Reference Information

CVE: CVE-2020-10713, CVE-2020-14308, CVE-2020-14309, CVE-2020-14310, CVE-2020-14311, CVE-2020-15706, CVE-2020-15707

IAVA: 2020-A-0349