CVE-2024-3652 IKEv1 default AH/ESP responder can cause libreswan to abort and restart

2024-04-1101:32:13

libreswan

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cve-2024-3652; libreswan project; aes-gmac; ikev1; ah/esp responder; assertion failure; restart; vulnerability; security issue; peer request; libreswan.

6.8 Medium

AI Score

Confidence

Low

0.0004 Low

EPSS

Percentile

8.7%

JSON

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.