Ubuntu 20.04 LTS / 22.04 LTS / 23.10 : EDK II vulnerabilities (USN-6638-1)

high Nessus Plugin ID 190562

Synopsis

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

Description

The remote Ubuntu 20.04 LTS / 22.04 LTS / 23.10 host has packages installed that are affected by multiple vulnerabilities as referenced in the USN-6638-1 advisory.

Marc Beatove discovered buffer overflows exit in EDK2. An attacker on the local network could potentially use this to impact availability or possibly cause remote code execution. (CVE-2022-36763, CVE-2022-36764, CVE-2022-36765)

It was discovered that a buffer overflows exists in EDK2's Network Package An attacker on the local network could potentially use these to impact availability or possibly cause remote code execution.
(CVE-2023-45230, CVE-2023-45234, CVE-2023-45235)

It was discovered that an out-of-bounds read exists in EDK2's Network Package An attacker on the local network could potentially use this to impact confidentiality. (CVE-2023-45231)

It was discovered that infinite-loops exists in EDK2's Network Package An attacker on the local network could potentially use these to impact availability. (CVE-2023-45232, CVE-2023-45233)

Mate Kukri discovered that an insecure default to allow UEFI Shell in EDK2 was left enabled in Ubuntu's EDK2. An attacker could use this to bypass Secure Boot. (CVE-2023-48733)

Tenable has extracted the preceding description block directly from the Ubuntu security advisory.

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://ubuntu.com/security/notices/USN-6638-1

Plugin Details

Severity: High

ID: 190562

File Name: ubuntu_USN-6638-1.nasl

Version: 1.1

Type: local

Agent: unix

Published: 2/15/2024

Updated: 8/28/2024

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: 8.3

Temporal Score: 6.5

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

CVSS Score Source: CVE-2023-45235

CVSS v3

Risk Factor: High

Base Score: 8.8

Temporal Score: 7.9

Vector: CVSS:3.0/AV:A/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:canonical:ubuntu_linux:23.10, cpe:/o:canonical:ubuntu_linux:20.04:-:lts, p-cpe:/a:canonical:ubuntu_linux:ovmf, p-cpe:/a:canonical:ubuntu_linux:qemu-efi, p-cpe:/a:canonical:ubuntu_linux:qemu-efi-arm, p-cpe:/a:canonical:ubuntu_linux:efi-shell-ia32, p-cpe:/a:canonical:ubuntu_linux:qemu-efi-aarch64, p-cpe:/a:canonical:ubuntu_linux:efi-shell-arm, cpe:/o:canonical:ubuntu_linux:22.04:-:lts, p-cpe:/a:canonical:ubuntu_linux:ovmf-ia32, p-cpe:/a:canonical:ubuntu_linux:efi-shell-aa64, p-cpe:/a:canonical:ubuntu_linux:efi-shell-x64

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

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 2/15/2024

Vulnerability Publication Date: 1/9/2024

Reference Information

CVE: CVE-2022-36763, CVE-2022-36764, CVE-2022-36765, CVE-2023-45230, CVE-2023-45231, CVE-2023-45232, CVE-2023-45233, CVE-2023-45234, CVE-2023-45235, CVE-2023-48733

USN: 6638-1