Expected Behavior Violation Affecting grub2-efi-ia32 package, versions <1:2.02-0.86.el7_8


Severity

Recommended
0.0
medium
0
10

Based on CentOS security rating.

Threat Intelligence

EPSS
0.11% (44th percentile)

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  • Snyk IDSNYK-CENTOS7-GRUB2EFIIA32-2170258
  • published26 Jul 2021
  • disclosed29 Jul 2020

Introduced: 29 Jul 2020

CVE-2020-15705  (opens in a new tab)
CWE-440  (opens in a new tab)

How to fix?

Upgrade Centos:7 grub2-efi-ia32 to version 1:2.02-0.86.el7_8 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream grub2-efi-ia32 package and not the grub2-efi-ia32 package as distributed by Centos. See How to fix? for Centos:7 relevant fixed versions and status.

GRUB2 fails to validate kernel signature when booted directly without shim, allowing secure boot to be bypassed. This only affects systems where the kernel signing certificate has been imported directly into the secure boot database and the GRUB image is booted directly without the use of shim. This issue affects GRUB2 version 2.04 and prior versions.

CVSS Scores

version 3.1