Security update for grub2

Announcement ID:	SUSE-SU-2020:2073-1
Rating:	important
References:	bsc#1168994 bsc#1173812 bsc#1174463 bsc#1174570
Cross-References:	CVE-2020-10713 CVE-2020-14308 CVE-2020-14309 CVE-2020-14310 CVE-2020-14311 CVE-2020-15706 CVE-2020-15707
CVSS scores:	CVE-2020-10713 ( SUSE ): 8.2 CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H CVE-2020-10713 ( NVD ): 8.2 CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H CVE-2020-14308 ( SUSE ): 6.4 CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H CVE-2020-14308 ( NVD ): 6.4 CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H CVE-2020-14309 ( SUSE ): 5.7 CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:N/I:H/A:H CVE-2020-14309 ( NVD ): 6.7 CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H CVE-2020-14310 ( SUSE ): 5.7 CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:N/I:H/A:H CVE-2020-14310 ( NVD ): 6.0 CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:H CVE-2020-14311 ( SUSE ): 5.7 CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:N/I:H/A:H CVE-2020-14311 ( NVD ): 6.0 CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:H CVE-2020-15706 ( SUSE ): 6.4 CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H CVE-2020-15706 ( NVD ): 6.4 CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H CVE-2020-15707 ( NVD ): 6.4 CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H
Affected Products:	SUSE Linux Enterprise High Performance Computing 15 SUSE Linux Enterprise High Performance Computing 15 LTSS 15 SUSE Linux Enterprise Server 15 SUSE Linux Enterprise Server 15 LTSS 15 SUSE Linux Enterprise Server ESPOS 15 SUSE Linux Enterprise Server for SAP Applications 15

An update that solves seven vulnerabilities can now be installed.

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 allocations may include unvalidated data

• Use grub_calloc for overflow check and return NULL when it would occur
• Use gcc-9 compiler for overflow check builtins
• Backport gcc-9 build fixes

Patch Instructions:

To install this SUSE 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 Linux Enterprise Server ESPOS 15
  zypper in -t patch SUSE-SLE-Product-HPC-15-2020-2073=1
• SUSE Linux Enterprise High Performance Computing 15 LTSS 15
  zypper in -t patch SUSE-SLE-Product-HPC-15-2020-2073=1
• SUSE Linux Enterprise Server 15 LTSS 15
  zypper in -t patch SUSE-SLE-Product-SLES-15-2020-2073=1
• SUSE Linux Enterprise Server for SAP Applications 15
  zypper in -t patch SUSE-SLE-Product-SLES_SAP-15-2020-2073=1

Package List:

• SUSE Linux Enterprise Server ESPOS 15 (aarch64 x86_64)
  • grub2-2.02-19.48.1
  • grub2-debuginfo-2.02-19.48.1
  • grub2-debugsource-2.02-19.48.1
• SUSE Linux Enterprise Server ESPOS 15 (aarch64)
  • grub2-arm64-efi-2.02-19.48.1
• SUSE Linux Enterprise Server ESPOS 15 (noarch)
  • grub2-systemd-sleep-plugin-2.02-19.48.1
  • grub2-snapper-plugin-2.02-19.48.1
• SUSE Linux Enterprise Server ESPOS 15 (x86_64)
  • grub2-x86_64-efi-2.02-19.48.1
  • grub2-x86_64-xen-2.02-19.48.1
  • grub2-i386-pc-2.02-19.48.1
• SUSE Linux Enterprise High Performance Computing 15 LTSS 15 (aarch64 x86_64)
  • grub2-2.02-19.48.1
  • grub2-debuginfo-2.02-19.48.1
  • grub2-debugsource-2.02-19.48.1
• SUSE Linux Enterprise High Performance Computing 15 LTSS 15 (aarch64)
  • grub2-arm64-efi-2.02-19.48.1
• SUSE Linux Enterprise High Performance Computing 15 LTSS 15 (noarch)
  • grub2-systemd-sleep-plugin-2.02-19.48.1
  • grub2-snapper-plugin-2.02-19.48.1
• SUSE Linux Enterprise High Performance Computing 15 LTSS 15 (x86_64)
  • grub2-x86_64-efi-2.02-19.48.1
  • grub2-x86_64-xen-2.02-19.48.1
  • grub2-i386-pc-2.02-19.48.1
• SUSE Linux Enterprise Server 15 LTSS 15 (aarch64 ppc64le s390x x86_64)
  • grub2-2.02-19.48.1
  • grub2-debuginfo-2.02-19.48.1
• SUSE Linux Enterprise Server 15 LTSS 15 (aarch64)
  • grub2-arm64-efi-2.02-19.48.1
• SUSE Linux Enterprise Server 15 LTSS 15 (aarch64 s390x x86_64)
  • grub2-debugsource-2.02-19.48.1
• SUSE Linux Enterprise Server 15 LTSS 15 (noarch)
  • grub2-systemd-sleep-plugin-2.02-19.48.1
  • grub2-snapper-plugin-2.02-19.48.1
• SUSE Linux Enterprise Server 15 LTSS 15 (ppc64le)
  • grub2-powerpc-ieee1275-2.02-19.48.1
• SUSE Linux Enterprise Server 15 LTSS 15 (s390x)
  • grub2-s390x-emu-2.02-19.48.1
• SUSE Linux Enterprise Server 15 LTSS 15 (x86_64)
  • grub2-x86_64-efi-2.02-19.48.1
  • grub2-x86_64-xen-2.02-19.48.1
  • grub2-i386-pc-2.02-19.48.1
• SUSE Linux Enterprise Server for SAP Applications 15 (noarch)
  • grub2-systemd-sleep-plugin-2.02-19.48.1
  • grub2-snapper-plugin-2.02-19.48.1
• SUSE Linux Enterprise Server for SAP Applications 15 (ppc64le x86_64)
  • grub2-2.02-19.48.1
  • grub2-debuginfo-2.02-19.48.1
• SUSE Linux Enterprise Server for SAP Applications 15 (ppc64le)
  • grub2-powerpc-ieee1275-2.02-19.48.1
• SUSE Linux Enterprise Server for SAP Applications 15 (x86_64)
  • grub2-debugsource-2.02-19.48.1
  • grub2-x86_64-efi-2.02-19.48.1
  • grub2-x86_64-xen-2.02-19.48.1
  • grub2-i386-pc-2.02-19.48.1

References:

• https://www.suse.com/security/cve/CVE-2020-10713.html
• https://www.suse.com/security/cve/CVE-2020-14308.html
• https://www.suse.com/security/cve/CVE-2020-14309.html
• https://www.suse.com/security/cve/CVE-2020-14310.html
• https://www.suse.com/security/cve/CVE-2020-14311.html
• https://www.suse.com/security/cve/CVE-2020-15706.html
• https://www.suse.com/security/cve/CVE-2020-15707.html
• https://bugzilla.suse.com/show_bug.cgi?id=1168994
• https://bugzilla.suse.com/show_bug.cgi?id=1173812
• https://bugzilla.suse.com/show_bug.cgi?id=1174463
• https://bugzilla.suse.com/show_bug.cgi?id=1174570