{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2024-3652","assignerOrgId":"d42dc95b-23f1-4e06-9076-20753a0fb0df","state":"PUBLISHED","assignerShortName":"libreswan","dateReserved":"2024-04-11T01:28:41.331Z","datePublished":"2024-04-11T01:32:13.433Z","dateUpdated":"2026-02-27T15:19:48.988Z"},"containers":{"cna":{"providerMetadata":{"orgId":"d42dc95b-23f1-4e06-9076-20753a0fb0df","shortName":"libreswan","dateUpdated":"2024-05-01T17:10:23.219Z"},"title":"IKEv1 default AH/ESP responder can cause libreswan to abort and restart","datePublic":"2024-04-12T21:00:00.000Z","problemTypes":[{"descriptions":[{"lang":"en","description":"IKEv1 with default AH/ESP configuration can cause libreswan to abort and restart"}]}],"affected":[{"vendor":"The Libreswan Project (www.libreswan.org)","product":"libreswan","versions":[{"version":"3.22","status":"affected","lessThanOrEqual":"4.14","versionType":"semver"},{"version":"5.0","status":"unaffected"}],"defaultStatus":"unaffected"}],"descriptions":[{"lang":"en","value":"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."}],"solutions":[{"lang":"en","value":"This issue is fixed in 4.15 and all later versions."}],"workarounds":[{"lang":"en","value":"As a workaround, adding an esp= line to all IKEv1 connections works around the issue. An example covering most common default configurations would be: esp=aes-sha2_512,aes-sha1,aes-sha2_256,aes-md5,3des-sha1,3des-md5."}],"configurations":[{"lang":"en","value":"The vulnerability can only be triggered for connections with ikev2=no that do not specify an esp= option."}],"timeline":[{"time":"2024-03-24T00:00:00.000Z","lang":"en","value":"Issue reported publicly by github user X1AOxiang via https://github.com/libreswan/libreswan/issues/1665"},{"time":"2024-03-27T00:00:00.000Z","lang":"en","value":"Fix published in commit 03caa63de1e3 (as issue was already public via githb issue)"},{"time":"2024-04-10T00:00:00.000Z","lang":"en","value":"Advanced notice given to support customers and distributions"},{"time":"2024-04-12T00:00:00.000Z","lang":"en","value":"CVE-2024-3652 published"}],"credits":[{"lang":"en","value":"github user X1AOxiang","type":"finder"}],"references":[{"url":"https://libreswan.org/security/CVE-2024-3652","name":"CVE-2024-3652","tags":["vendor-advisory"]},{"url":"http://www.openwall.com/lists/oss-security/2024/04/18/2"}]},"adp":[{"problemTypes":[{"descriptions":[{"type":"CWE","cweId":"CWE-404","lang":"en","description":"CWE-404 Improper Resource Shutdown or Release"}]}],"metrics":[{"cvssV3_1":{"scope":"UNCHANGED","version":"3.1","baseScore":6.5,"attackVector":"NETWORK","baseSeverity":"MEDIUM","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","integrityImpact":"NONE","userInteraction":"NONE","attackComplexity":"LOW","availabilityImpact":"HIGH","privilegesRequired":"LOW","confidentialityImpact":"NONE"}},{"other":{"type":"ssvc","content":{"timestamp":"2024-04-11T17:26:47.015453Z","id":"CVE-2024-3652","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2026-02-27T15:19:48.988Z"}},{"providerMetadata":{"orgId":"af854a3a-2127-422b-91ae-364da2661108","shortName":"CVE","dateUpdated":"2024-08-01T20:19:59.933Z"},"title":"CVE Program Container","references":[{"url":"https://libreswan.org/security/CVE-2024-3652","name":"CVE-2024-3652","tags":["vendor-advisory","x_transferred"]},{"url":"http://www.openwall.com/lists/oss-security/2024/04/18/2","tags":["x_transferred"]}]}]}}