{"id":"UBUNTU-CVE-2023-31484","details":"CPAN.pm before 2.35 does not verify TLS certificates when downloading distributions over HTTPS.","modified":"2026-04-22T16:43:35.979295Z","published":"2023-04-29T00:15:00Z","related":["USN-6112-1","USN-6112-2"],"upstream":["CVE-2023-31484"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2023-31484"},{"type":"REPORT","url":"https://github.com/andk/cpanpm/pull/175"},{"type":"REPORT","url":"https://github.com/andk/cpanpm/commit/9c98370287f4e709924aee7c58ef21c85289a7f0"},{"type":"REPORT","url":"https://www.openwall.com/lists/oss-security/2023/04/18/14"},{"type":"REPORT","url":"https://metacpan.org/dist/CPAN/changes"},{"type":"REPORT","url":"https://blog.hackeriet.no/perl-http-tiny-insecure-tls-default-affects-cpan-modules/"},{"type":"REPORT","url":"http://www.openwall.com/lists/oss-security/2023/04/29/1"},{"type":"REPORT","url":"http://www.openwall.com/lists/oss-security/2023/05/03/3"},{"type":"REPORT","url":"http://www.openwall.com/lists/oss-security/2023/05/03/5"},{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-6112-1"},{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-6112-2"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2023-31484"}],"affected":[{"package":{"name":"perl","ecosystem":"Ubuntu:Pro:14.04:LTS","purl":"pkg:deb/ubuntu/perl@5.18.2-2ubuntu1.7+esm5?arch=source&distro=trusty/esm"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.18.2-2ubuntu1.7+esm5"}]}],"versions":["5.14.2-21build1","5.18.1-4","5.18.1-4build1","5.18.1-5","5.18.2-2","5.18.2-2ubuntu1","5.18.2-2ubuntu1.1","5.18.2-2ubuntu1.3","5.18.2-2ubuntu1.4","5.18.2-2ubuntu1.6","5.18.2-2ubuntu1.7","5.18.2-2ubuntu1.7+esm3","5.18.2-2ubuntu1.7+esm4"],"ecosystem_specific":{"binaries":[{"binary_name":"libcgi-fast-perl","binary_version":"5.18.2-2ubuntu1.7+esm5"},{"binary_name":"libperl5.18","binary_version":"5.18.2-2ubuntu1.7+esm5"},{"binary_name":"perl","binary_version":"5.18.2-2ubuntu1.7+esm5"},{"binary_name":"perl-base","binary_version":"5.18.2-2ubuntu1.7+esm5"},{"binary_name":"perl-debug","binary_version":"5.18.2-2ubuntu1.7+esm5"},{"binary_name":"perl-modules","binary_version":"5.18.2-2ubuntu1.7+esm5"}],"availability":"Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2023/UBUNTU-CVE-2023-31484.json"}},{"package":{"name":"perl","ecosystem":"Ubuntu:Pro:16.04:LTS","purl":"pkg:deb/ubuntu/perl@5.22.1-9ubuntu0.9+esm2?arch=source&distro=esm-infra/xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.22.1-9ubuntu0.9+esm2"}]}],"versions":["5.20.2-6","5.22.1-3","5.22.1-4","5.22.1-5","5.22.1-7","5.22.1-8","5.22.1-9","5.22.1-9ubuntu0.2","5.22.1-9ubuntu0.3","5.22.1-9ubuntu0.5","5.22.1-9ubuntu0.6","5.22.1-9ubuntu0.9","5.22.1-9ubuntu0.9+esm1"],"ecosystem_specific":{"availability":"Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro","binaries":[{"binary_name":"libperl5.22","binary_version":"5.22.1-9ubuntu0.9+esm2"},{"binary_name":"perl","binary_version":"5.22.1-9ubuntu0.9+esm2"},{"binary_name":"perl-base","binary_version":"5.22.1-9ubuntu0.9+esm2"},{"binary_name":"perl-debug","binary_version":"5.22.1-9ubuntu0.9+esm2"},{"binary_name":"perl-modules-5.22","binary_version":"5.22.1-9ubuntu0.9+esm2"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2023/UBUNTU-CVE-2023-31484.json"}},{"package":{"name":"perl","ecosystem":"Ubuntu:18.04:LTS","purl":"pkg:deb/ubuntu/perl@5.26.1-6ubuntu0.7?arch=source&distro=bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.26.1-6ubuntu0.7"}]}],"versions":["5.26.0-8ubuntu1","5.26.1-2ubuntu1","5.26.1-3","5.26.1-4","5.26.1-4build1","5.26.1-5","5.26.1-6","5.26.1-6ubuntu0.1","5.26.1-6ubuntu0.2","5.26.1-6ubuntu0.3","5.26.1-6ubuntu0.5","5.26.1-6ubuntu0.6"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_name":"libperl5.26","binary_version":"5.26.1-6ubuntu0.7"},{"binary_name":"perl","binary_version":"5.26.1-6ubuntu0.7"},{"binary_name":"perl-base","binary_version":"5.26.1-6ubuntu0.7"},{"binary_name":"perl-debug","binary_version":"5.26.1-6ubuntu0.7"},{"binary_name":"perl-modules-5.26","binary_version":"5.26.1-6ubuntu0.7"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2023/UBUNTU-CVE-2023-31484.json"}},{"package":{"name":"perl","ecosystem":"Ubuntu:20.04:LTS","purl":"pkg:deb/ubuntu/perl@5.30.0-9ubuntu0.4?arch=source&distro=focal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.30.0-9ubuntu0.4"}]}],"versions":["5.28.1-6build1","5.30.0-7","5.30.0-9","5.30.0-9build1","5.30.0-9ubuntu0.2","5.30.0-9ubuntu0.3"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_name":"libperl5.30","binary_version":"5.30.0-9ubuntu0.4"},{"binary_name":"perl","binary_version":"5.30.0-9ubuntu0.4"},{"binary_name":"perl-base","binary_version":"5.30.0-9ubuntu0.4"},{"binary_name":"perl-debug","binary_version":"5.30.0-9ubuntu0.4"},{"binary_name":"perl-modules-5.30","binary_version":"5.30.0-9ubuntu0.4"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2023/UBUNTU-CVE-2023-31484.json"}},{"package":{"name":"perl","ecosystem":"Ubuntu:22.04:LTS","purl":"pkg:deb/ubuntu/perl@5.34.0-3ubuntu1.2?arch=source&distro=jammy"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.34.0-3ubuntu1.2"}]}],"versions":["5.32.1-3ubuntu3","5.34.0-3ubuntu1","5.34.0-3ubuntu1.1"],"ecosystem_specific":{"binaries":[{"binary_name":"libperl5.34","binary_version":"5.34.0-3ubuntu1.2"},{"binary_name":"perl","binary_version":"5.34.0-3ubuntu1.2"},{"binary_name":"perl-base","binary_version":"5.34.0-3ubuntu1.2"},{"binary_version":"5.34.0-3ubuntu1.2","binary_name":"perl-debug"},{"binary_version":"5.34.0-3ubuntu1.2","binary_name":"perl-modules-5.34"}],"availability":"No subscription required"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2023/UBUNTU-CVE-2023-31484.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H"},{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H"},{"type":"Ubuntu","score":"medium"}]}