{"id":"UBUNTU-CVE-2024-2357","details":"The Libreswan Project was notified of an issue causing libreswan to restart under some IKEv2 retransmit scenarios when a connection is configured to use PreSharedKeys (authby=secret) and the connection cannot find a matching configured secret. When such a connection is automatically added on startup using the auto= keyword, it can cause repeated crashes leading to a Denial of Service.","modified":"2025-10-24T05:06:43Z","published":"2024-03-11T20:15:00Z","upstream":["CVE-2024-2357"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2024-2357"},{"type":"REPORT","url":"https://libreswan.org/security/CVE-2024-2357/CVE-2024-2357.patch"},{"type":"REPORT","url":"https://libreswan.org/security/CVE-2024-2357/CVE-2024-2357.txt"},{"type":"REPORT","url":"https://github.com/libreswan/libreswan/issues/1609"},{"type":"REPORT","url":"https://libreswan.org/security/CVE-2024-2357"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2024-2357"}],"affected":[{"package":{"name":"libreswan","ecosystem":"Ubuntu:18.04:LTS","purl":"pkg:deb/ubuntu/libreswan@3.23-4?arch=source&distro=bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["3.20-7build1","3.21-2","3.22-1","3.22-2","3.22-3","3.22-4","3.23-1","3.23-4"],"ecosystem_specific":{"binaries":[{"binary_name":"libreswan","binary_version":"3.23-4"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2024/UBUNTU-CVE-2024-2357.json"}},{"package":{"name":"libreswan","ecosystem":"Ubuntu:20.04:LTS","purl":"pkg:deb/ubuntu/libreswan@3.29-2build1?arch=source&distro=focal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["3.29-2","3.29-2build1"],"ecosystem_specific":{"binaries":[{"binary_name":"libreswan","binary_version":"3.29-2build1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2024/UBUNTU-CVE-2024-2357.json"}},{"package":{"name":"libreswan","ecosystem":"Ubuntu:22.04:LTS","purl":"pkg:deb/ubuntu/libreswan@3.32-3ubuntu3?arch=source&distro=jammy"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["3.32-3ubuntu3"],"ecosystem_specific":{"binaries":[{"binary_name":"libreswan","binary_version":"3.32-3ubuntu3"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2024/UBUNTU-CVE-2024-2357.json"}},{"package":{"name":"libreswan","ecosystem":"Ubuntu:24.04:LTS","purl":"pkg:deb/ubuntu/libreswan@4.14-1ubuntu2?arch=source&distro=noble"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["4.11-1ubuntu1","4.12-1ubuntu1","4.14-1ubuntu1","4.14-1ubuntu2"],"ecosystem_specific":{"binaries":[{"binary_name":"libreswan","binary_version":"4.14-1ubuntu2"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2024/UBUNTU-CVE-2024-2357.json"}}],"schema_version":"1.7.3","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"},{"type":"Ubuntu","score":"medium"}]}