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CVE-2024-3652: IKEv1 default AH/ESP responder can cause libreswan to abort and restart
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.
Classification
CVE ID: CVE-2024-3652
Affected Products
Vendor: The Libreswan Project (www.libreswan.org)
Product: libreswan
Exploit Prediction Scoring System (EPSS)
EPSS Score: 0.04% (probability of being exploited)
EPSS Percentile: 11.98% (scored less or equal to compared to others)
EPSS Date: 2025-03-14 (when was this score calculated)
References
https://libreswan.org/security/CVE-2024-3652http://www.openwall.com/lists/oss-security/2024/04/18/2