Уязвимость CVE-2020-15706: Информация

Описание

GRUB2 contains a race condition in grub_script_function_create() leading to a use-after-free vulnerability which can be triggered by redefining a function whilst the same function is already executing, leading to arbitrary code execution and secure boot restriction bypass. This issue affects GRUB2 version 2.04 and prior versions.

Важность: MEDIUM (6,4) Вектор: CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H

URL: https://nvd.nist.gov/vuln/detail/CVE-2020-15706
Опубликовано: 29 июля 2020 г.
Изменено: 16 ноября 2022 г.
Идентификатор типа ошибки: CWE-362, CWE-416

Исправленные пакеты

Имя пакета
Ветка
Исправлено в версии
Версия в репозитории
Errata ID
№ Задания
Состояние
grubsisyphus2.04-alt12.06-alt19ALT-PU-2020-3534-1261809Исправлено
grubsisyphus_riscv642.06-alt0.5.rv64.32.06-alt0.5.rv64.3ALT-PU-2022-4067-1-Исправлено
grubp102.04-alt12.06-alt17ALT-PU-2020-3534-1261809Исправлено
grubc10f12.04-alt12.06-alt7ALT-PU-2020-3534-1261809Исправлено
grubc9f22.06-alt42.06-alt4ALT-PU-2021-3464-1291032Исправлено
grubp112.04-alt12.06-alt19ALT-PU-2020-3534-1261809Исправлено

Ссылки на рекомендации, решения и инструменты

Ссылка
Ресурс
https://www.suse.com/support/kb/doc/?id=000019673
  • Third Party Advisory
http://ubuntu.com/security/notices/USN-4432-1
  • Third Party Advisory
https://lists.gnu.org/archive/html/grub-devel/2020-07/msg00034.html
  • Issue Tracking
  • Vendor Advisory
https://wiki.ubuntu.com/SecurityTeam/KnowledgeBase/GRUB2SecureBootBypass
  • Third Party Advisory
https://www.debian.org/security/2020-GRUB-UEFI-SecureBoot
  • Third Party Advisory
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/ADV200011
  • Patch
  • Third Party Advisory
  • Vendor Advisory
https://access.redhat.com/security/vulnerabilities/grub2bootloader
  • Third Party Advisory
https://www.eclypsium.com/2020/07/29/theres-a-hole-in-the-boot/
  • Third Party Advisory
https://www.suse.com/c/suse-addresses-grub2-secure-boot-issue/
  • Third Party Advisory
https://www.openwall.com/lists/oss-security/2020/07/29/3
  • Mailing List
  • Third Party Advisory
DSA-4735
  • Third Party Advisory
[oss-security] 20200729 multiple secure boot grub2 and linux kernel vulnerabilities
  • Mailing List
  • Third Party Advisory
https://security.netapp.com/advisory/ntap-20200731-0008/
  • Third Party Advisory
USN-4432-1
  • Third Party Advisory
openSUSE-SU-2020:1169
  • Broken Link
  • Mailing List
  • Third Party Advisory
openSUSE-SU-2020:1168
  • Broken Link
  • Mailing List
  • Third Party Advisory
GLSA-202104-05
  • Third Party Advisory

    1. Конфигурация 1

      cpe:2.3:a:gnu:grub2:*:*:*:*:*:*:*:*
      End including
      2.04

      Конфигурация 2

      cpe:2.3:o:redhat:enterprise_linux:7.0:*:*:*:*:*:*:*
      cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*
      cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*
      cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*
      cpe:2.3:o:suse:suse_linux_enterprise_server:11:*:*:*:*:*:*:*
      cpe:2.3:o:suse:suse_linux_enterprise_server:12:*:*:*:*:*:*:*
      cpe:2.3:o:suse:suse_linux_enterprise_server:15:*:*:*:*:*:*:*
      cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:esm:*:*:*
      cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:*
      cpe:2.3:a:redhat:enterprise_linux_atomic_host:-:*:*:*:*:*:*:*
      cpe:2.3:a:redhat:openshift_container_platform:4.0:*:*:*:*:*:*:*
      cpe:2.3:o:canonical:ubuntu_linux:20.04:*:*:*:lts:*:*:*

      Конфигурация 3

      cpe:2.3:o:microsoft:windows_server_2012:r2:*:*:*:*:*:*:*
      cpe:2.3:o:microsoft:windows_10:1607:*:*:*:*:*:*:*
      cpe:2.3:o:microsoft:windows_8.1:-:*:*:*:*:*:*:*
      cpe:2.3:o:microsoft:windows_server_2016:-:*:*:*:*:*:*:*
      cpe:2.3:o:microsoft:windows_rt_8.1:-:*:*:*:*:*:*:*
      cpe:2.3:o:microsoft:windows_server_2012:-:*:*:*:*:*:*:*
      cpe:2.3:o:microsoft:windows_10:-:*:*:*:*:*:*:*
      cpe:2.3:o:microsoft:windows_10:1709:*:*:*:*:*:*:*
      cpe:2.3:o:microsoft:windows_10:1803:*:*:*:*:*:*:*
      cpe:2.3:o:microsoft:windows_server_2019:-:*:*:*:*:*:*:*
      cpe:2.3:o:microsoft:windows_10:1809:*:*:*:*:*:*:*
      cpe:2.3:o:microsoft:windows_server_2016:1903:*:*:*:*:*:*:*
      cpe:2.3:o:microsoft:windows_10:1903:*:*:*:*:*:*:*
      cpe:2.3:o:microsoft:windows_server_2016:1909:*:*:*:*:*:*:*
      cpe:2.3:o:microsoft:windows_10:1909:*:*:*:*:*:*:*
      cpe:2.3:o:microsoft:windows_10:2004:*:*:*:*:*:*:*
      cpe:2.3:o:microsoft:windows_server_2016:2004:*:*:*:*:*:*:*

      Конфигурация 4

      cpe:2.3:o:opensuse:leap:15.1:*:*:*:*:*:*:*
      cpe:2.3:o:opensuse:leap:15.2:*:*:*:*:*:*:*

      Конфигурация 5

      cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*
      cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:esm:*:*:*
      cpe:2.3:o:canonical:ubuntu_linux:20.04:*:*:*:lts:*:*:*
      cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:esm:*:*:*
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