{"id":"UBUNTU-CVE-2021-46671","details":"options.c in atftp before 0.7.5 reads past the end of an array, and consequently discloses server-side /etc/group data to a remote client.","modified":"2026-02-05T08:13:57.255385Z","published":"2022-02-04T21:15:00Z","related":["USN-6334-1"],"upstream":["CVE-2021-46671"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2021-46671"},{"type":"REPORT","url":"https://sourceforge.net/p/atftp/code/ci/9cf799c40738722001552618518279e9f0ef62e5"},{"type":"REPORT","url":"https://sourceforge.net/p/atftp/code/ci/9cf799c40738722001552618518279e9f0ef62e5"},{"type":"REPORT","url":"https://bugs.debian.org/1004974"},{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-6334-1"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2021-46671"}],"affected":[{"package":{"name":"atftp","ecosystem":"Ubuntu:Pro:16.04:LTS","purl":"pkg:deb/ubuntu/atftp@0.7.git20120829-3.1~0.16.04.1+esm1?arch=source&distro=esm-apps/xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.7.git20120829-3.1~0.16.04.1+esm1"}]}],"versions":["0.7.git20120829-2.1","0.7.git20120829-3.1~0.16.04.1"],"ecosystem_specific":{"availability":"Available with Ubuntu Pro: https://ubuntu.com/pro","binaries":[{"binary_name":"atftp","binary_version":"0.7.git20120829-3.1~0.16.04.1+esm1"},{"binary_version":"0.7.git20120829-3.1~0.16.04.1+esm1","binary_name":"atftpd"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2021/UBUNTU-CVE-2021-46671.json"}},{"package":{"name":"atftp","ecosystem":"Ubuntu:Pro:18.04:LTS","purl":"pkg:deb/ubuntu/atftp@0.7.git20120829-3.1~0.18.04.1+esm1?arch=source&distro=esm-apps/bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.7.git20120829-3.1~0.18.04.1+esm1"}]}],"versions":["0.7.git20120829-3","0.7.git20120829-3.1~0.18.04.1"],"ecosystem_specific":{"availability":"Available with Ubuntu Pro: https://ubuntu.com/pro","binaries":[{"binary_name":"atftp","binary_version":"0.7.git20120829-3.1~0.18.04.1+esm1"},{"binary_name":"atftpd","binary_version":"0.7.git20120829-3.1~0.18.04.1+esm1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2021/UBUNTU-CVE-2021-46671.json"}},{"package":{"name":"atftp","ecosystem":"Ubuntu:20.04:LTS","purl":"pkg:deb/ubuntu/atftp@0.7.git20120829-3.1ubuntu0.1?arch=source&distro=focal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.7.git20120829-3.1ubuntu0.1"}]}],"versions":["0.7.git20120829-3.1"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_name":"atftp","binary_version":"0.7.git20120829-3.1ubuntu0.1"},{"binary_name":"atftpd","binary_version":"0.7.git20120829-3.1ubuntu0.1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2021/UBUNTU-CVE-2021-46671.json"}}],"schema_version":"1.7.3","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N"},{"type":"Ubuntu","score":"medium"}]}