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Oracle Linux 8 : grub2 (ELSA-2020-0335)

medium Nessus Plugin ID 133590

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Synopsis

The remote Oracle Linux host is missing a security update.

Description

The remote Oracle Linux 8 host has packages installed that are affected by a vulnerability as referenced in the ELSA-2020-0335 advisory.

 [2.02-78.0.3.el8_1.1]
 - honor /etc/sysconfig/kernel DEFAULTKERNEL setting for BLS [Orabug: 30643497]
 - set EFIDIR as redhat for additional grub2 tools [Orabug: 29875597]
 - Update upstream references [Orabug: 26388226]
 - Copy symvers.gz to /boot during kernel install [Orabug: 29773086]
 - Insert Unbreakable Enterprise Kernel text into BLS config file [Orabug: 29417955]
 - fix symlink removal scriptlet, to be executed only on removal [Orabug: 19231481]
 - Fix comparison in patch for 18504756
 - Remove symlink to grub environment file during uninstall on EFI platforms [Orabug: 19231481]
 - update Oracle Linux certificates (Alexey Petrenko)
 - Put 'with' in menuentry instead of 'using' [Orabug: 18504756]
 - Use different titles for UEK and RHCK kernels [Orabug: 18504756]

 [2.02-78.el8_1.1]
 - grub-set-bootflag: Write new env to tmpfile and then rename (hdegoede) Resolves: CVE-2019-14865

Tenable has extracted the preceding description block directly from the Oracle Linux security advisory.

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

Solution

Update the affected packages.

See Also

https://linux.oracle.com/errata/ELSA-2020-0335.html

Plugin Details

Severity: Medium

ID: 133590

File Name: oraclelinux_ELSA-2020-0335.nasl

Version: 1.5

Type: local

Agent: unix

Published: 2/10/2020

Updated: 11/1/2024

Supported Sensors: Frictionless Assessment Agent, Nessus Agent, Nessus

Risk Information

VPR

Risk Factor: Low

Score: 3.6

CVSS v2

Risk Factor: Medium

Base Score: 4.9

Temporal Score: 3.6

Vector: CVSS2#AV:L/AC:L/Au:N/C:N/I:N/A:C

CVSS Score Source: CVE-2019-14865

CVSS v3

Risk Factor: Medium

Base Score: 5.5

Temporal Score: 4.8

Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

Vulnerability Information

CPE: p-cpe:/a:oracle:linux:grub2-tools-minimal, p-cpe:/a:oracle:linux:grub2-efi-aa64-cdboot, p-cpe:/a:oracle:linux:grub2-pc, p-cpe:/a:oracle:linux:grub2-common, p-cpe:/a:oracle:linux:grub2-efi-x64-cdboot, p-cpe:/a:oracle:linux:grub2-tools-efi, p-cpe:/a:oracle:linux:grub2-efi-x64-modules, cpe:/o:oracle:linux:8, p-cpe:/a:oracle:linux:grub2-pc-modules, p-cpe:/a:oracle:linux:grub2-tools, p-cpe:/a:oracle:linux:grub2-efi-x64, p-cpe:/a:oracle:linux:grub2-efi-aa64-modules, p-cpe:/a:oracle:linux:grub2-efi-ia32-modules, p-cpe:/a:oracle:linux:grub2-tools-extra, p-cpe:/a:oracle:linux:grub2-efi-ia32-cdboot, p-cpe:/a:oracle:linux:grub2-efi-aa64, p-cpe:/a:oracle:linux:grub2-efi-ia32

Required KB Items: Host/local_checks_enabled, Host/RedHat/release, Host/RedHat/rpm-list, Host/OracleLinux

Exploit Ease: No known exploits are available

Patch Publication Date: 2/7/2020

Vulnerability Publication Date: 11/29/2019

Reference Information

CVE: CVE-2019-14865

RHSA: 2020:0335