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RHEL 8 : edk2 (RHSA-2021:2591)

medium Nessus Plugin ID 151139

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Synopsis

The remote Red Hat host is missing a security update for edk2.

Description

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2021:2591 advisory.

 EDK (Embedded Development Kit) is a project to enable UEFI support for Virtual Machines. This package contains a sample 64-bit UEFI firmware for QEMU and KVM.

 Security Fix(es):

 * edk2: possible heap corruption with LzmaUefiDecompressGetInfo (CVE-2021-28211)

 For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

Tenable has extracted the preceding description block directly from the Red Hat Enterprise 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 RHEL edk2 package based on the guidance in RHSA-2021:2591.

See Also

https://access.redhat.com/errata/RHSA-2021:2591

https://bugzilla.redhat.com/show_bug.cgi?id=1883529

https://access.redhat.com/security/updates/classification/#moderate

http://www.nessus.org/u?d04b4584

Plugin Details

Severity: Medium

ID: 151139

File Name: redhat-RHSA-2021-2591.nasl

Version: 1.11

Type: local

Agent: unix

Published: 6/29/2021

Updated: 11/7/2024

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

Risk Information

VPR

Risk Factor: Medium

Score: 6.7

Vendor

Vendor Severity: Moderate

CVSS v2

Risk Factor: Medium

Base Score: 4.6

Temporal Score: 3.6

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

CVSS Score Source: CVE-2021-28211

CVSS v3

Risk Factor: Medium

Base Score: 6.7

Temporal Score: 6

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

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

Vulnerability Information

CPE: p-cpe:/a:redhat:enterprise_linux:edk2-ovmf, p-cpe:/a:redhat:enterprise_linux:edk2-aarch64, cpe:/o:redhat:rhel_eus:8.4, p-cpe:/a:redhat:enterprise_linux:edk2, cpe:/o:redhat:enterprise_linux:8

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: 6/29/2021

Vulnerability Publication Date: 6/11/2021

Reference Information

CVE: CVE-2021-28211

CWE: 120

RHSA: 2021:2591