SUSE SLES15 Security Update : ovmf (SUSE-SU-2023:1940-1)

critical Nessus Plugin ID 174684

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Synopsis

The remote SUSE host is missing one or more security updates.

Description

The remote SUSE Linux SLES15 / SLES_SAP15 host has packages installed that are affected by a vulnerability as referenced in the SUSE-SU-2023:1940-1 advisory.

- Existing CommBuffer checks in SmmEntryPoint will not catch underflow when computing BufferSize.
(CVE-2021-38578)

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 ovmf, ovmf-tools, qemu-ovmf-x86_64 and / or qemu-uefi-aarch64 packages.

Plugin Details

Severity: Critical

ID: 174684

File Name: suse_SU-2023-1940-1.nasl

Version: 1.3

Type: local

Agent: unix

Family: SuSE Local Security Checks

Published: 4/25/2023

Updated: 1/16/2024

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

CVSS v2

Risk Factor: High

Base Score: 7.5

Temporal Score: 5.5

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: 8.5

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:U/RL:O/RC:C

Vulnerability Information

CPE: p-cpe:/a:novell:suse_linux:ovmf-tools, p-cpe:/a:novell:suse_linux:qemu-ovmf-x86_64, p-cpe:/a:novell:suse_linux:qemu-uefi-aarch64, p-cpe:/a:novell:suse_linux:ovmf, cpe:/o:novell:suse_linux:15

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

Exploit Ease: No known exploits are available

Patch Publication Date: 4/21/2023

Vulnerability Publication Date: 3/3/2022

Reference Information

CVE: CVE-2021-38578

SuSE: SUSE-SU-2023:1940-1

Detections

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