VDB-260364 · CVE-2024-3652 · Nessus 210019

Libreswan up to 4.14 IKEv1 denial of service

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
4.9	$0-$5k	0.00

Summaryinfo

A vulnerability was found in Libreswan up to 4.14. It has been declared as problematic. Impacted is an unknown function of the component IKEv1 Handler. The manipulation results in denial of service. This vulnerability is cataloged as CVE-2024-3652. There is no exploit available. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as problematic, was found in Libreswan up to 4.14. Affected is some unknown processing of the component IKEv1 Handler. The manipulation with an unknown input leads to a denial of service vulnerability. CWE is classifying the issue as CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. This is going to have an impact on availability. CVE summarizes:

The Libreswan Project was notified of an issue causing libreswan to restart when using IKEv1 without specifying an esp= line. When the peer requests AES-GMAC, libreswan's default proposal handler causes an assertion failure and crashes and restarts. IKEv2 connections are not affected.

The weakness was shared by X1aoxiang. The advisory is shared for download at libreswan.org. This vulnerability is traded as CVE-2024-3652 since 04/11/2024. There are neither technical details nor an exploit publicly available.

The vulnerability scanner Nessus provides a plugin with the ID 210019 (CBL Mariner 2.0 Security Update: libreswan (CVE-2024-3652)), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 5.0 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (210019). Once again VulDB remains the best source for vulnerability data.

Productinfo

Name

Libreswan

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.0
VulDB Meta Temp Score: 4.9

VulDB Base Score: 3.5
VulDB Temp Score: 3.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

CNA Base Score: 6.5
CNA Vector: 🔍

CVSSv2info

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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Denial of service
CWE: CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
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Nessus ID: 210019
Nessus Name: CBL Mariner 2.0 Security Update: libreswan (CVE-2024-3652)

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Libreswan 5.0

Timelineinfo

04/11/2024 🔍
04/11/2024 +0 days 🔍
04/11/2024 +0 days 🔍
11/01/2024 +204 days 🔍

Sourcesinfo

Advisory: libreswan.org
Researcher: X1aoxiang
Status: Confirmed

CVE: CVE-2024-3652 (🔍)
GCVE (CVE): GCVE-0-2024-3652
GCVE (VulDB): GCVE-100-260364

Entryinfo

Created: 04/11/2024 08:53
Updated: 11/01/2024 11:07
Changes: 04/11/2024 08:53 (54), 10/30/2024 00:13 (13), 11/01/2024 11:07 (2)
Complete: 🔍
Cache ID: 216::103