{"id":"UBUNTU-CVE-2022-4967","details":"strongSwan versions 5.9.2 through 5.9.5 are affected by authorization bypass through improper validation of certificate with host mismatch (CWE-297). When certificates are used to authenticate clients in TLS-based EAP methods, the IKE or EAP identity supplied by a client is not enforced to be contained in the client's certificate. So clients can authenticate with any trusted certificate and claim an arbitrary IKE/EAP identity as their own. This is problematic if the identity is used to make policy decisions. A fix was released in strongSwan version 5.9.6 in August 2022 (e4b4aabc4996fc61c37deab7858d07bc4d220136).","modified":"2026-02-04T04:36:25.600335Z","published":"2024-05-13T18:00:00Z","related":["USN-6772-1"],"upstream":["CVE-2022-4967"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2022-4967"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2022-4967"},{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-6772-1"},{"type":"REPORT","url":"https://www.strongswan.org/blog/2024/05/13/strongswan-vulnerability-(cve-2022-4967).html"}],"affected":[{"package":{"name":"strongswan","ecosystem":"Ubuntu:22.04:LTS","purl":"pkg:deb/ubuntu/strongswan@5.9.5-2ubuntu2.3?arch=source&distro=jammy"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.9.5-2ubuntu2.3"}]}],"versions":["5.9.1-1ubuntu3","5.9.1-1ubuntu3.1","5.9.4-1ubuntu1","5.9.4-1ubuntu2","5.9.4-1ubuntu3","5.9.4-1ubuntu4","5.9.5-2ubuntu1","5.9.5-2ubuntu2","5.9.5-2ubuntu2.1","5.9.5-2ubuntu2.2"],"ecosystem_specific":{"binaries":[{"binary_version":"5.9.5-2ubuntu2.3","binary_name":"charon-cmd"},{"binary_version":"5.9.5-2ubuntu2.3","binary_name":"charon-systemd"},{"binary_version":"5.9.5-2ubuntu2.3","binary_name":"libcharon-extauth-plugins"},{"binary_version":"5.9.5-2ubuntu2.3","binary_name":"libcharon-extra-plugins"},{"binary_version":"5.9.5-2ubuntu2.3","binary_name":"libstrongswan"},{"binary_version":"5.9.5-2ubuntu2.3","binary_name":"libstrongswan-extra-plugins"},{"binary_version":"5.9.5-2ubuntu2.3","binary_name":"libstrongswan-standard-plugins"},{"binary_version":"5.9.5-2ubuntu2.3","binary_name":"strongswan"},{"binary_version":"5.9.5-2ubuntu2.3","binary_name":"strongswan-charon"},{"binary_version":"5.9.5-2ubuntu2.3","binary_name":"strongswan-libcharon"},{"binary_version":"5.9.5-2ubuntu2.3","binary_name":"strongswan-nm"},{"binary_version":"5.9.5-2ubuntu2.3","binary_name":"strongswan-pki"},{"binary_version":"5.9.5-2ubuntu2.3","binary_name":"strongswan-scepclient"},{"binary_version":"5.9.5-2ubuntu2.3","binary_name":"strongswan-starter"},{"binary_version":"5.9.5-2ubuntu2.3","binary_name":"strongswan-swanctl"}],"availability":"No subscription required"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2022/UBUNTU-CVE-2022-4967.json"}}],"schema_version":"1.7.3","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N"},{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N"},{"type":"Ubuntu","score":"medium"}]}