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NewStart CGSL MAIN 7.02 : strongswan Vulnerability (NS-SA-2025-0154)

critical Nessus Plugin ID 242787

Synopsis

The remote NewStart CGSL host is affected by a vulnerability.

Description

The remote NewStart CGSL host, running version MAIN 7.02, has strongswan packages installed that are affected by a vulnerability:

 - strongSwan before 5.9.12 has a buffer overflow and possible unauthenticated remote code execution via a DH public value that exceeds the internal buffer in charon-tkm's DH proxy. The earliest affected version is 5.3.0. An attack can occur via a crafted IKE_SA_INIT message. (CVE-2023-41913)

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

Solution

Upgrade the vulnerable CGSL strongswan packages. Note that updated packages may not be available yet. Please contact ZTE for more information.

See Also

https://security.gd-linux.com/notice/NS-SA-2025-0154

https://security.gd-linux.com/info/CVE-2023-41913

Plugin Details

Severity: Critical

ID: 242787

File Name: newstart_cgsl_NS-SA-2025-0154_strongswan.nasl

Version: 1.1

Type: local

Published: 7/25/2025

Updated: 7/25/2025

Supported Sensors: 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-2023-41913

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:zte:cgsl_main:strongswan, p-cpe:/a:zte:cgsl_main:strongswan-charon-nm, cpe:/o:zte:cgsl_main:7, p-cpe:/a:zte:cgsl_main:strongswan-tnc-imcvs, p-cpe:/a:zte:cgsl_main:strongswan-libipsec, p-cpe:/a:zte:cgsl_main:strongswan-sqlite

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

Exploit Ease: No known exploits are available

Patch Publication Date: 7/25/2025

Vulnerability Publication Date: 11/24/2023

Reference Information

CVE: CVE-2023-41913