CVE-2024-3652: libreswan (CVSS 6.5)

Description

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.

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CVSS v3.1 Score

6.5

MEDIUM

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Weakness Type (CWE)

CWE-404 CWE-404

Affected Products

Vendor	Product	Versions
libreswan	libreswan	3.22 — 4.15

References

Other References

http://www.openwall.com/lists/oss-security/2024/04/18/2 https://libreswan.org/security/CVE-2024-3652 http://www.openwall.com/lists/oss-security/2024/04/18/2 https://libreswan.org/security/CVE-2024-3652

Frequently Asked Questions

What is CVE-2024-3652? +

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. It has a CVSS v3.1 base score of 6.5 (MEDIUM).

How severe is CVE-2024-3652? +

CVE-2024-3652 has a CVSS v3.1 score of 6.5 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance.

What products are affected by CVE-2024-3652? +

CVE-2024-3652 affects products from libreswan, specifically: libreswan. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2024-3652? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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CVE-2024-3652