{"id":"USN-8985-1","summary":"libnet-easytcp-perl vulnerability","details":"It was discovered that Net::EasyTCP used the built-in Perl rand() function\nto generate encryption keys when no strong randomization module was\npresent. An attacker could possibly use this issue to predict the keys and\nobtain sensitive information.","modified":"2026-11-04T03:43:13.476301345Z","published":"2026-11-03T17:36:13Z","related":["UBUNTU-CVE-2024-56830"],"upstream":["CVE-2024-56830","UBUNTU-CVE-2024-56830"],"references":[{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-8985-1"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2024-56830"}],"affected":[{"package":{"name":"libnet-easytcp-perl","ecosystem":"Ubuntu:Pro:16.04:LTS","purl":"pkg:deb/ubuntu/libnet-easytcp-perl?arch=source&distro=esm-apps-legacy%2Fxenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.26-3ubuntu0.1~esm1"}]}],"versions":["0.26-3"],"ecosystem_specific":{"binaries":[{"binary_version":"0.26-3ubuntu0.1~esm1","binary_name":"libnet-easytcp-perl"}],"availability":"Available with Ubuntu Pro with Legacy support add-on: https://ubuntu.com/pro"},"database_specific":{"cves_map":{"ecosystem":"Ubuntu:Pro:16.04:LTS","cves":[{"severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:L/I:L/A:N"},{"score":"medium","type":"Ubuntu"}],"id":"CVE-2024-56830"}]},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8985-1.json"}},{"package":{"name":"libnet-easytcp-perl","ecosystem":"Ubuntu:Pro:18.04:LTS","purl":"pkg:deb/ubuntu/libnet-easytcp-perl?arch=source&distro=esm-apps%2Fbionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.26-4ubuntu0.18.04.1~esm1"}]}],"versions":["0.26-4"],"ecosystem_specific":{"binaries":[{"binary_name":"libnet-easytcp-perl","binary_version":"0.26-4ubuntu0.18.04.1~esm1"}],"availability":"Available with Ubuntu Pro: https://ubuntu.com/pro"},"database_specific":{"cves_map":{"cves":[{"severity":[{"score":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:L/I:L/A:N","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}],"id":"CVE-2024-56830"}],"ecosystem":"Ubuntu:Pro:18.04:LTS"},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8985-1.json"}},{"package":{"name":"libnet-easytcp-perl","ecosystem":"Ubuntu:Pro:20.04:LTS","purl":"pkg:deb/ubuntu/libnet-easytcp-perl?arch=source&distro=esm-apps%2Ffocal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.26-4ubuntu0.20.04.1~esm1"}]}],"versions":["0.26-4"],"ecosystem_specific":{"availability":"Available with Ubuntu Pro: https://ubuntu.com/pro","binaries":[{"binary_version":"0.26-4ubuntu0.20.04.1~esm1","binary_name":"libnet-easytcp-perl"}]},"database_specific":{"cves_map":{"cves":[{"id":"CVE-2024-56830","severity":[{"score":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:L/I:L/A:N","type":"CVSS_V3"},{"type":"Ubuntu","score":"medium"}]}],"ecosystem":"Ubuntu:Pro:20.04:LTS"},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8985-1.json"}},{"package":{"name":"libnet-easytcp-perl","ecosystem":"Ubuntu:Pro:22.04:LTS","purl":"pkg:deb/ubuntu/libnet-easytcp-perl?arch=source&distro=esm-apps%2Fjammy"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.26-4ubuntu0.22.04.1~esm1"}]}],"versions":["0.26-4"],"ecosystem_specific":{"binaries":[{"binary_name":"libnet-easytcp-perl","binary_version":"0.26-4ubuntu0.22.04.1~esm1"}],"availability":"Available with Ubuntu Pro: https://ubuntu.com/pro"},"database_specific":{"cves_map":{"cves":[{"id":"CVE-2024-56830","severity":[{"score":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:L/I:L/A:N","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}]}],"ecosystem":"Ubuntu:Pro:22.04:LTS"},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8985-1.json"}},{"package":{"name":"libnet-easytcp-perl","ecosystem":"Ubuntu:24.04:LTS","purl":"pkg:deb/ubuntu/libnet-easytcp-perl?arch=source&distro=noble"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.26-6+deb11u1build0.24.04.1"}]}],"versions":["0.26-6"],"ecosystem_specific":{"binaries":[{"binary_version":"0.26-6+deb11u1build0.24.04.1","binary_name":"libnet-easytcp-perl"}],"availability":"No subscription required"},"database_specific":{"cves_map":{"ecosystem":"Ubuntu:24.04:LTS","cves":[{"severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:L/I:L/A:N"},{"type":"Ubuntu","score":"medium"}],"id":"CVE-2024-56830"}]},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8985-1.json"}}],"schema_version":"1.9.2"}