{"id":"USN-4540-1","summary":"atftp vulnerabilities","details":"Denis Andzakovic discovered that atftpd incorrectly handled certain\nmalformed packets. A remote attacker could send a specially crafted packet\nto cause atftpd to crash, resulting in a denial of service.\n(CVE-2019-11365)\n\nDenis Andzakovic discovered that atftpd did not properly lock the thread\nlist mutex. An attacker could send a large number of tftpd packets\nsimultaneously when running atftpd in daemon mode to cause atftpd to\ncrash, resulting in a denial of service. (CVE-2019-11366)\n","modified":"2026-02-10T04:41:56Z","published":"2020-09-24T20:40:23Z","related":["UBUNTU-CVE-2019-11365","UBUNTU-CVE-2019-11366"],"upstream":["CVE-2019-11365","CVE-2019-11366","UBUNTU-CVE-2019-11365","UBUNTU-CVE-2019-11366"],"references":[{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-4540-1"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2019-11365"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2019-11366"}],"affected":[{"package":{"name":"atftp","ecosystem":"Ubuntu:18.04:LTS","purl":"pkg:deb/ubuntu/atftp@0.7.git20120829-3.1~0.18.04.1?arch=source&distro=bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.7.git20120829-3.1~0.18.04.1"}]}],"versions":["0.7.git20120829-3"],"ecosystem_specific":{"binaries":[{"binary_name":"atftp","binary_version":"0.7.git20120829-3.1~0.18.04.1"},{"binary_name":"atftpd","binary_version":"0.7.git20120829-3.1~0.18.04.1"}],"availability":"No subscription required"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-4540-1.json","cves_map":{"ecosystem":"Ubuntu:18.04:LTS","cves":[{"severity":[{"type":"CVSS_V3","score":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"},{"type":"Ubuntu","score":"medium"}],"id":"CVE-2019-11365"},{"severity":[{"type":"CVSS_V3","score":"CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H"},{"type":"Ubuntu","score":"medium"}],"id":"CVE-2019-11366"}]}}}],"schema_version":"1.7.3"}