{"id":"USN-6589-1","summary":"filezilla vulnerability","details":"Fabian Baeumer, Marcus Brinkmann and Joerg Schwenk discovered that the SSH\nprotocol used in FileZilla is prone to a prefix truncation attack, known as\nthe \"Terrapin attack\". A remote attacker could use this issue to downgrade or\ndisable some security features and obtain sensitive information.\n","modified":"2026-04-27T17:02:05.169129Z","published":"2024-01-18T17:55:52Z","related":["UBUNTU-CVE-2023-48795"],"upstream":["CVE-2023-48795","UBUNTU-CVE-2023-48795"],"references":[{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-6589-1"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2023-48795"}],"affected":[{"package":{"name":"filezilla","ecosystem":"Ubuntu:20.04:LTS","purl":"pkg:deb/ubuntu/filezilla@3.46.3-1ubuntu0.1?arch=source&distro=focal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.46.3-1ubuntu0.1"}]}],"versions":["3.39.0-2","3.45.1-3","3.45.1-3build1","3.46.3-1~build1","3.46.3-1","3.46.3-1build1"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_name":"filezilla","binary_version":"3.46.3-1ubuntu0.1"},{"binary_name":"filezilla-common","binary_version":"3.46.3-1ubuntu0.1"}]},"database_specific":{"cves_map":{"ecosystem":"Ubuntu:20.04:LTS","cves":[{"severity":[{"score":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N","type":"CVSS_V3"},{"score":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}],"id":"CVE-2023-48795"}]},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-6589-1.json"}},{"package":{"name":"filezilla","ecosystem":"Ubuntu:22.04:LTS","purl":"pkg:deb/ubuntu/filezilla@3.58.0-1ubuntu0.1?arch=source&distro=jammy"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.58.0-1ubuntu0.1"}]}],"versions":["3.52.2-3","3.56.0-1","3.56.2-1","3.57.0-1","3.57.0-1build1","3.58.0-1"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_name":"filezilla","binary_version":"3.58.0-1ubuntu0.1"},{"binary_name":"filezilla-common","binary_version":"3.58.0-1ubuntu0.1"}]},"database_specific":{"cves_map":{"ecosystem":"Ubuntu:22.04:LTS","cves":[{"severity":[{"score":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N","type":"CVSS_V3"},{"score":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}],"id":"CVE-2023-48795"}]},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-6589-1.json"}}],"schema_version":"1.7.5"}