{"id":"UBUNTU-CVE-2017-17434","details":"The daemon in rsync 3.1.2, and 3.1.3-development before 2017-12-03, does not check for fnamecmp filenames in the daemon_filter_list data structure (in the recv_files function in receiver.c) and also does not apply the sanitize_paths protection mechanism to pathnames found in \"xname follows\" strings (in the read_ndx_and_attrs function in rsync.c), which allows remote attackers to bypass intended access restrictions.","modified":"2026-02-04T03:14:24.012274Z","published":"2017-12-05T00:00:00Z","related":["USN-3506-1","USN-3506-2"],"upstream":["CVE-2017-17434"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2017-17434"},{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-3506-1"},{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-3506-2"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2017-17434"}],"affected":[{"package":{"name":"rsync","ecosystem":"Ubuntu:14.04:LTS","purl":"pkg:deb/ubuntu/rsync@3.1.0-2ubuntu0.3?arch=source&distro=trusty"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.1.0-2ubuntu0.3"}]}],"versions":["3.0.9-4ubuntu1","3.1.0-2","3.1.0-2ubuntu0.1","3.1.0-2ubuntu0.2"],"ecosystem_specific":{"binaries":[{"binary_name":"rsync","binary_version":"3.1.0-2ubuntu0.3"}],"availability":"No subscription required"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2017/UBUNTU-CVE-2017-17434.json"}},{"package":{"name":"rsync","ecosystem":"Ubuntu:16.04:LTS","purl":"pkg:deb/ubuntu/rsync@3.1.1-3ubuntu1.1?arch=source&distro=xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.1.1-3ubuntu1.1"}]}],"versions":["3.1.1-3","3.1.1-3ubuntu1"],"ecosystem_specific":{"binaries":[{"binary_name":"rsync","binary_version":"3.1.1-3ubuntu1.1"}],"availability":"No subscription required"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2017/UBUNTU-CVE-2017-17434.json"}}],"schema_version":"1.7.3","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"}]}