Detections
Analytics

Azure Linux 3.0 Security Update: libreswan (CVE-2023-30570)

high Nessus Plugin ID 233732

Synopsis

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

Description

The version of libreswan 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-2023-30570 advisory.

 - pluto in Libreswan before 4.11 allows a denial of service (responder SPI mishandling and daemon crash) via unauthenticated IKEv1 Aggressive Mode packets. The earliest affected version is 3.28. (CVE-2023-30570)

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-2023-30570

Plugin Details

Severity: High

ID: 233732

File Name: azure_linux_CVE-2023-30570.nasl

Version: 1.1

Type: local

Published: 4/1/2025

Updated: 4/1/2025

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Low

Score: 3.6

CVSS v2

Risk Factor: High

Base Score: 7.8

Temporal Score: 5.8

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

CVSS Score Source: CVE-2023-30570

CVSS v3

Risk Factor: High

Base Score: 7.5

Temporal Score: 6.5

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:U/RL:O/RC:C

Vulnerability Information

CPE: p-cpe:/a:microsoft:azure_linux:libreswan-debuginfo, x-cpe:/o:microsoft:azure_linux, p-cpe:/a:microsoft:azure_linux:libreswan

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

Exploit Ease: No known exploits are available

Patch Publication Date: 4/2/2025

Vulnerability Publication Date: 5/4/2023

Reference Information

CVE: CVE-2023-30570