Debian dla-3852 : ovmf - security update

medium Nessus Plugin ID 201169

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Synopsis

The remote Debian host is missing a security-related update.

Description

The remote Debian 10 host has packages installed that are affected by a vulnerability as referenced in the dla-3852 advisory.

------------------------------------------------------------------------- Debian LTS Advisory DLA-3852-1 [email protected] https://www.debian.org/lts/security/ Markus Koschany June 30, 2024 https://wiki.debian.org/LTS
-------------------------------------------------------------------------

Package : edk2 Version : 0~20181115.85588389-3+deb10u4 CVE ID : CVE-2023-48733

Mate Kukri discovered the Debian build of EDK2, a UEFI firmware implementation, used an insecure default configuration which could result in Secure Boot bypass via the UEFI shell.

For Debian 10 buster, this problem has been fixed in version 0~20181115.85588389-3+deb10u4.

We recommend that you upgrade your edk2 packages.

For the detailed security status of edk2 please refer to its security tracker page at:
https://security-tracker.debian.org/tracker/edk2

Further information about Debian LTS security advisories, how to apply these updates to your system and frequently asked questions can be found at: https://wiki.debian.org/LTS Attachment:
signature.asc Description: This is a digitally signed message part

Tenable has extracted the preceding description block directly from the Debian 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

Upgrade the ovmf packages.

Plugin Details

Severity: Medium

ID: 201169

File Name: debian_DLA-3852.nasl

Version: 1.1

Type: local

Agent: unix

Family: Debian Local Security Checks

Published: 7/1/2024

Updated: 7/1/2024

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

Risk Information

VPR

Risk Factor: Medium

Score: 5.9

CVSS v2

Risk Factor: Critical

Base Score: 10

Temporal Score: 7.4

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

CVSS Score Source: CVE-2023-48733

CVSS v3

Risk Factor: Medium

Base Score: 6.7

Temporal Score: 5.8

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:U/RL:O/RC:C

Vulnerability Information

CPE: p-cpe:/a:debian:debian_linux:qemu-efi-aarch64, p-cpe:/a:debian:debian_linux:ovmf, cpe:/o:debian:debian_linux:10.0, p-cpe:/a:debian:debian_linux:qemu-efi, p-cpe:/a:debian:debian_linux:qemu-efi-arm

Required KB Items: Host/local_checks_enabled, Host/Debian/release, Host/Debian/dpkg-l

Exploit Ease: No known exploits are available

Patch Publication Date: 6/30/2024

Vulnerability Publication Date: 2/14/2024

Reference Information

CVE: CVE-2023-48733

Detections

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