Access Restriction Bypass Affecting grub2-efi-modules package, versions <1:2.02-0.29.el7


Severity

Recommended
low

Based on CentOS security rating.

Threat Intelligence

EPSS
0.04% (6th percentile)

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  • Snyk IDSNYK-CENTOS7-GRUB2EFIMODULES-2056756
  • published26 Jul 2021
  • disclosed17 Nov 2015

Introduced: 17 Nov 2015

CVE-2015-5281  (opens in a new tab)
CWE-264  (opens in a new tab)

How to fix?

Upgrade Centos:7 grub2-efi-modules to version 1:2.02-0.29.el7 or higher.

NVD Description

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

The grub2 package before 2.02-0.29 in Red Hat Enterprise Linux (RHEL) 7, when used on UEFI systems, allows local users to bypass intended Secure Boot restrictions and execute non-verified code via a crafted (1) multiboot or (2) multiboot2 module in the configuration file or physically proximate attackers to bypass intended Secure Boot restrictions and execute non-verified code via the (3) boot menu.

CVSS Scores

version 3.1