Detections
Analytics

Azure Linux 3.0 Security Update: edk2 / hvloader (CVE-2023-45232)

high Nessus Plugin ID 215520

Synopsis

The remote Azure Linux host is missing one or more security updates.

Description

The version of edk2 / hvloader installed on the remote Azure Linux 3.0 host is prior to tested version. It is, therefore, affected by a vulnerability as referenced in the CVE-2023-45232 advisory.

 - EDK2's Network Package is susceptible to an infinite loop vulnerability when parsing unknown options in the Destination Options header of IPv6. This vulnerability can be exploited by an attacker to gain unauthorized access and potentially lead to a loss of Availability. (CVE-2023-45232)

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 affected packages.

See Also

https://nvd.nist.gov/vuln/detail/CVE-2023-45232

Plugin Details

Severity: High

ID: 215520

File Name: azure_linux_CVE-2023-45232.nasl

Version: 1.1

Type: local

Published: 2/10/2025

Updated: 2/10/2025

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 4.4

CVSS v2

Risk Factor: High

Base Score: 7.8

Temporal Score: 6.1

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

CVSS Score Source: CVE-2023-45232

CVSS v3

Risk Factor: High

Base Score: 7.5

Temporal Score: 6.7

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

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

Vulnerability Information

CPE: p-cpe:/a:microsoft:azure_linux:edk2-tools, p-cpe:/a:microsoft:azure_linux:edk2-ovmf, p-cpe:/a:microsoft:azure_linux:edk2-experimental, p-cpe:/a:microsoft:azure_linux:hvloader, p-cpe:/a:microsoft:azure_linux:edk2-ovmf-xen, x-cpe:/o:microsoft:azure_linux, p-cpe:/a:microsoft:azure_linux:edk2-tools-python, p-cpe:/a:microsoft:azure_linux:edk2-ext4, p-cpe:/a:microsoft:azure_linux:edk2-tools-doc, p-cpe:/a:microsoft:azure_linux:edk2-ovmf-ia32

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

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 9/10/2024

Vulnerability Publication Date: 1/16/2024

Reference Information

CVE: CVE-2023-45232