Detections
Analytics

RHEL 9 : grub2 (RHSA-2022:8978)

high Nessus Plugin ID 168710

Language:

Synopsis

The remote Red Hat host is missing one or more security updates.

Description

The remote Redhat Enterprise Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2022:8978 advisory.

 - grub2: Buffer overflow in grub_font_construct_glyph() can lead to out-of-bound write and possible secure boot bypass (CVE-2022-2601)

 - grub2: Heap based out-of-bounds write when redering certain unicode sequences (CVE-2022-3775)

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

Solution

Update the affected packages.

See Also

https://access.redhat.com/security/cve/CVE-2022-2601

https://access.redhat.com/security/cve/CVE-2022-3775

https://access.redhat.com/errata/RHSA-2022:8978

https://bugzilla.redhat.com/2112975

https://bugzilla.redhat.com/2138880

Plugin Details

Severity: High

ID: 168710

File Name: redhat-RHSA-2022-8978.nasl

Version: 1.6

Type: local

Agent: unix

Published: 12/13/2022

Updated: 9/15/2023

Supported Sensors: Frictionless Assessment AWS, Frictionless Assessment Azure, Frictionless Assessment Agent, Nessus Agent, Agentless Assessment, Nessus

Risk Information

VPR

Risk Factor: High

Score: 7.3

CVSS v2

Risk Factor: High

Base Score: 7.2

Temporal Score: 5.6

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

CVSS Score Source: CVE-2022-2601

CVSS v3

Risk Factor: High

Base Score: 8.6

Temporal Score: 7.7

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

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

Vulnerability Information

CPE: cpe:/o:redhat:rhel_e4s:9.0, cpe:/o:redhat:rhel_eus:9.0, p-cpe:/a:redhat:enterprise_linux:grub2-common, p-cpe:/a:redhat:enterprise_linux:grub2-efi-aa64, p-cpe:/a:redhat:enterprise_linux:grub2-efi-aa64-cdboot, p-cpe:/a:redhat:enterprise_linux:grub2-efi-aa64-modules, p-cpe:/a:redhat:enterprise_linux:grub2-efi-x64, p-cpe:/a:redhat:enterprise_linux:grub2-efi-x64-cdboot, p-cpe:/a:redhat:enterprise_linux:grub2-efi-x64-modules, p-cpe:/a:redhat:enterprise_linux:grub2-pc, p-cpe:/a:redhat:enterprise_linux:grub2-pc-modules, p-cpe:/a:redhat:enterprise_linux:grub2-ppc64le, p-cpe:/a:redhat:enterprise_linux:grub2-ppc64le-modules, p-cpe:/a:redhat:enterprise_linux:grub2-tools, p-cpe:/a:redhat:enterprise_linux:grub2-tools-efi, p-cpe:/a:redhat:enterprise_linux:grub2-tools-extra, p-cpe:/a:redhat:enterprise_linux:grub2-tools-minimal

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

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 12/13/2022

Vulnerability Publication Date: 11/15/2022

Reference Information

CVE: CVE-2022-2601, CVE-2022-3775

CWE: 122, 787

RHSA: 2022:8978