RHEL 7 : edk2 (Unpatched Vulnerability)

critical Nessus Plugin ID 196126

Synopsis

The remote Red Hat 7 host is affected by multiple vulnerabilities that will not be patched.

Description

The remote Redhat Enterprise Linux 7 host has one or more packages installed that are affected by multiple vulnerabilities that have been acknowledged by the vendor but will not be patched.

- edk2: integer underflow in SmmEntryPoint function leads to potential SMM privilege escalation (CVE-2021-38578)

- Insufficient input validation in MdeModulePkg in EDKII may allow an unauthenticated user to potentially enable escalation of privilege, denial of service and/or information disclosure via physical access.
(CVE-2019-11098)

- Uncontrolled resource consumption in EDK II may allow an unauthenticated user to potentially enable denial of service via network access. (CVE-2019-14559)

- Rejected reason: DO NOT USE THIS CANDIDATE NUMBER. ConsultIDs: none. Reason: This candidate was in a CNA pool that was not assigned to any issues during 2019. Notes: none. (CVE-2019-14560)

- Integer truncation in EDK II may allow an authenticated user to potentially enable escalation of privilege via local access. (CVE-2019-14563)

- Null pointer dereference in Tianocore EDK2 may allow an authenticated user to potentially enable escalation of privilege via local access. (CVE-2019-14584)

- An unlimited recursion in DxeCore in EDK II. (CVE-2021-28210)

- A heap overflow in LzmaUefiDecompressGetInfo function in EDK II. (CVE-2021-28211)

Note that Nessus has not tested for these issues but has instead relied on the package manager's report that the package is installed.

Solution

The vendor has acknowledged the vulnerabilities but no solution has been provided. Refer to the vendor for remediation guidance.

Plugin Details

Severity: Critical

ID: 196126

File Name: redhat_unpatched-edk2-rhel7.nasl

Version: 1.0

Type: local

Agent: unix

Published: 5/11/2024

Updated: 5/11/2024

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

Risk Information

VPR

Risk Factor: Medium

Score: 6.7

CVSS v2

Risk Factor: High

Base Score: 7.5

Temporal Score: 5.9

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

CVSS Score Source: CVE-2021-38578

CVSS v3

Risk Factor: Critical

Base Score: 9.8

Temporal Score: 8.8

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

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

Vulnerability Information

CPE: cpe:/o:redhat:enterprise_linux:7, p-cpe:/a:redhat:enterprise_linux:ovmf

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

Exploit Available: true

Exploit Ease: Exploits are available

Vulnerability Publication Date: 4/28/2020

Reference Information

CVE: CVE-2019-11098, CVE-2019-14559, CVE-2019-14560, CVE-2019-14563, CVE-2019-14584, CVE-2021-28210, CVE-2021-28211, CVE-2021-38578