Privilege Defined With Unsafe Actions Affecting grub2-tools-extra package, versions <1:2.02-78.el8_1.1


Severity

Recommended
0.0
medium
0
10

Based on CentOS security rating.

Threat Intelligence

EPSS
0.04% (6th percentile)

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  • Snyk IDSNYK-CENTOS8-GRUB2TOOLSEXTRA-2021388
  • published26 Jul 2021
  • disclosed25 Nov 2019

Introduced: 25 Nov 2019

CVE-2019-14865  (opens in a new tab)
CWE-267  (opens in a new tab)

How to fix?

Upgrade Centos:8 grub2-tools-extra to version 1:2.02-78.el8_1.1 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream grub2-tools-extra package and not the grub2-tools-extra package as distributed by Centos. See How to fix? for Centos:8 relevant fixed versions and status.

A flaw was found in the grub2-set-bootflag utility of grub2. A local attacker could run this utility under resource pressure (for example by setting RLIMIT), causing grub2 configuration files to be truncated and leaving the system unbootable on subsequent reboots.

CVSS Scores

version 3.1