openSUSE Security Update : grub2 (openSUSE-2020-1168)

medium Nessus Plugin ID 139448
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 :

- CVE-2020-10713 (bsc#1168994)

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

- CVE-2020-15706 (bsc#1174463)

- CVE-2020-15707 (bsc#1174570)

- Use overflow checking primitives where the arithmetic expression for buffer allocations may include unvalidated data

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

This update was imported from the SUSE:SLE-15-SP1: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: 139448

File Name: openSUSE-2020-1168.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: Critical

Score: 9.1

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-pc, 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-xen, cpe:/o:novell:opensuse:15.1

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