{"id":"USN-7363-1","summary":"pam-pkcs11 vulnerabilities","details":"Marcus Rückert and Matthias Gerstner discovered that PAM-PKCS#11 did not\nproperly handle certain return codes when authentication was not possible.\nAn attacker could possibly use this issue to bypass authentication. This\nissue only affected Ubuntu 24.04 LTS and Ubuntu 24.10. (CVE-2025-24531)\n\nIt was discovered that PAM-PKCS#11 did not require a private key signature\nfor authentication by default. An attacker could possibly use this issue\nto bypass authentication. (CVE-2025-24032)\n","modified":"2026-05-20T16:03:29.361862994Z","published":"2025-03-20T18:43:56Z","related":["UBUNTU-CVE-2025-24032","UBUNTU-CVE-2025-24531"],"upstream":["CVE-2025-24032","CVE-2025-24531","UBUNTU-CVE-2025-24032","UBUNTU-CVE-2025-24531"],"references":[{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-7363-1"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2025-24032"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2025-24531"}],"affected":[{"package":{"name":"pam-pkcs11","ecosystem":"Ubuntu:Pro:16.04:LTS","purl":"pkg:deb/ubuntu/pam-pkcs11?arch=source&distro=esm-infra-legacy%2Fxenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.6.8-4ubuntu0.1~esm1"}]}],"versions":["0.6.8-4"],"ecosystem_specific":{"availability":"Available with Ubuntu Pro with Legacy support add-on: https://ubuntu.com/pro","binaries":[{"binary_name":"libpam-pkcs11","binary_version":"0.6.8-4ubuntu0.1~esm1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-7363-1.json","cves_map":{"ecosystem":"Ubuntu:Pro:16.04:LTS","cves":[]}}},{"package":{"name":"pam-pkcs11","ecosystem":"Ubuntu:Pro:18.04:LTS","purl":"pkg:deb/ubuntu/pam-pkcs11?arch=source&distro=esm-apps%2Fbionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.6.9-2ubuntu0.1~esm1"}]}],"versions":["0.6.9-1","0.6.9-2","0.6.9-2build1","0.6.9-2build2"],"ecosystem_specific":{"availability":"Available with Ubuntu Pro: https://ubuntu.com/pro","binaries":[{"binary_name":"libpam-pkcs11","binary_version":"0.6.9-2ubuntu0.1~esm1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-7363-1.json","cves_map":{"ecosystem":"Ubuntu:Pro:18.04:LTS","cves":[{"id":"CVE-2025-24032","severity":[{"score":"CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:L/SC:L/SI:L/SA:L","type":"CVSS_V4"},{"score":"high","type":"Ubuntu"}]}]}}},{"package":{"name":"pam-pkcs11","ecosystem":"Ubuntu:20.04:LTS","purl":"pkg:deb/ubuntu/pam-pkcs11?arch=source&distro=focal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.6.11-2ubuntu0.1"}]}],"versions":["0.6.11-2"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_name":"libpam-pkcs11","binary_version":"0.6.11-2ubuntu0.1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-7363-1.json","cves_map":{"ecosystem":"Ubuntu:20.04:LTS","cves":[{"id":"CVE-2025-24032","severity":[{"score":"CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:L/SC:L/SI:L/SA:L","type":"CVSS_V4"},{"score":"high","type":"Ubuntu"}]}]}}},{"package":{"name":"pam-pkcs11","ecosystem":"Ubuntu:22.04:LTS","purl":"pkg:deb/ubuntu/pam-pkcs11?arch=source&distro=jammy"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.6.11-4ubuntu0.1"}]}],"versions":["0.6.11-4build1","0.6.11-4build2"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_name":"libpam-pkcs11","binary_version":"0.6.11-4ubuntu0.1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-7363-1.json","cves_map":{"ecosystem":"Ubuntu:22.04:LTS","cves":[{"id":"CVE-2025-24032","severity":[{"type":"CVSS_V4","score":"CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:L/SC:L/SI:L/SA:L"},{"score":"high","type":"Ubuntu"}]}]}}},{"package":{"name":"pam-pkcs11","ecosystem":"Ubuntu:24.04:LTS","purl":"pkg:deb/ubuntu/pam-pkcs11?arch=source&distro=noble"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.6.12-2ubuntu0.24.04.1"}]}],"versions":["0.6.12-1","0.6.12-2","0.6.12-2build2","0.6.12-2build3"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_name":"libpam-pkcs11","binary_version":"0.6.12-2ubuntu0.24.04.1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-7363-1.json","cves_map":{"ecosystem":"Ubuntu:24.04:LTS","cves":[{"id":"CVE-2025-24032","severity":[{"score":"CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:L/SC:L/SI:L/SA:L","type":"CVSS_V4"},{"score":"high","type":"Ubuntu"}]},{"id":"CVE-2025-24531","severity":[{"score":"CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N","type":"CVSS_V3"},{"score":"high","type":"Ubuntu"}]}]}}}],"schema_version":"1.7.5"}