{"id":"CVE-2016-6321","details":"Directory traversal vulnerability in the safer_name_suffix function in GNU tar 1.14 through 1.29 might allow remote attackers to bypass an intended protection mechanism and write to arbitrary files via vectors related to improper sanitization of the file_name parameter, aka POINTYFEATHER.","modified":"2026-09-10T03:45:05.312291158Z","published":"2016-12-09T22:59:00.170Z","related":["SUSE-SU-2016:2895-1","SUSE-SU-2016:2896-1","openSUSE-SU-2024:10382-1"],"database_specific":{},"references":[{"type":"WEB","url":"https://lists.apache.org/thread.html/r58af02e294bd07f487e2c64ffc0a29b837db5600e33b6e698b9d696b%40%3Cissues.bookkeeper.apache.org%3E"},{"type":"WEB","url":"https://lists.apache.org/thread.html/rf4c02775860db415b4955778a131c2795223f61cb8c6a450893651e4%40%3Cissues.bookkeeper.apache.org%3E"},{"type":"ADVISORY","url":"http://lists.gnu.org/archive/html/bug-tar/2016-10/msg00016.html"},{"type":"ADVISORY","url":"http://seclists.org/fulldisclosure/2016/Oct/96"},{"type":"ADVISORY","url":"http://www.debian.org/security/2016/dsa-3702"},{"type":"ADVISORY","url":"http://www.securityfocus.com/bid/93937"},{"type":"ADVISORY","url":"http://www.ubuntu.com/usn/USN-3132-1"},{"type":"ADVISORY","url":"https://security.gentoo.org/glsa/201611-19"},{"type":"ADVISORY","url":"https://sintonen.fi/advisories/tar-extract-pathname-bypass.proper.txt"},{"type":"FIX","url":"http://git.savannah.gnu.org/cgit/tar.git/commit/?id=7340f67b9860ea0531c1450e5aa261c50f67165d"},{"type":"FIX","url":"http://seclists.org/fulldisclosure/2016/Oct/102"},{"type":"EVIDENCE","url":"http://packetstormsecurity.com/files/139370/GNU-tar-1.29-Extract-Pathname-Bypass.html"}],"affected":[{"ranges":[{"type":"GIT","repo":"http://http.git.savannah.gnu.org/git/tar.git/","events":[{"introduced":"95256b3c07fecbacbefbf61d45b2e0634cda42cc"},{"last_affected":"20b55f0679d314568ec21ae6db1ea635494e292b"}],"database_specific":{"extracted_events":[{"introduced":"1.14"},{"last_affected":"1.14"},{"introduced":"1.15"},{"last_affected":"1.15"},{"introduced":"1.15.1"},{"last_affected":"1.15.1"},{"introduced":"1.15.90"},{"last_affected":"1.15.90"},{"introduced":"1.15.91"},{"last_affected":"1.15.91"},{"introduced":"1.16"},{"last_affected":"1.16"},{"introduced":"1.16.1"},{"last_affected":"1.16.1"},{"introduced":"1.17"},{"last_affected":"1.17"},{"introduced":"1.18"},{"last_affected":"1.18"},{"introduced":"1.19"},{"last_affected":"1.19"},{"introduced":"1.20"},{"last_affected":"1.20"},{"introduced":"1.21"},{"last_affected":"1.21"},{"introduced":"1.22"},{"last_affected":"1.22"},{"introduced":"1.23"},{"last_affected":"1.23"},{"introduced":"1.24"},{"last_affected":"1.24"},{"introduced":"1.25"},{"last_affected":"1.25"},{"introduced":"1.26"},{"last_affected":"1.26"},{"introduced":"1.27"},{"last_affected":"1.27"},{"introduced":"1.27.1"},{"last_affected":"1.27.1"},{"introduced":"1.28"},{"last_affected":"1.28"},{"introduced":"1.29"},{"last_affected":"1.29"}],"source":"CPE_STRING","cpe":["cpe:2.3:a:gnu:tar:1.14:*:*:*:*:*:*:*","cpe:2.3:a:gnu:tar:1.15:*:*:*:*:*:*:*","cpe:2.3:a:gnu:tar:1.15.1:*:*:*:*:*:*:*","cpe:2.3:a:gnu:tar:1.15.90:*:*:*:*:*:*:*","cpe:2.3:a:gnu:tar:1.15.91:*:*:*:*:*:*:*","cpe:2.3:a:gnu:tar:1.16:*:*:*:*:*:*:*","cpe:2.3:a:gnu:tar:1.16.1:*:*:*:*:*:*:*","cpe:2.3:a:gnu:tar:1.17:*:*:*:*:*:*:*","cpe:2.3:a:gnu:tar:1.18:*:*:*:*:*:*:*","cpe:2.3:a:gnu:tar:1.19:*:*:*:*:*:*:*","cpe:2.3:a:gnu:tar:1.20:*:*:*:*:*:*:*","cpe:2.3:a:gnu:tar:1.21:*:*:*:*:*:*:*","cpe:2.3:a:gnu:tar:1.22:*:*:*:*:*:*:*","cpe:2.3:a:gnu:tar:1.23:*:*:*:*:*:*:*","cpe:2.3:a:gnu:tar:1.24:*:*:*:*:*:*:*","cpe:2.3:a:gnu:tar:1.25:*:*:*:*:*:*:*","cpe:2.3:a:gnu:tar:1.26:*:*:*:*:*:*:*","cpe:2.3:a:gnu:tar:1.27:*:*:*:*:*:*:*","cpe:2.3:a:gnu:tar:1.27.1:*:*:*:*:*:*:*","cpe:2.3:a:gnu:tar:1.28:*:*:*:*:*:*:*","cpe:2.3:a:gnu:tar:1.29:*:*:*:*:*:*:*"]}}],"versions":["1.14","1.15","1.15.1","1.15.90","1.15.91","1.16","1.16.1","1.17","1.18","1.19","1.20","1.21","1.22","1.23","1.24","1.25","1.26","1.27","1.27.1","1.28","1.29","release_1_29","release_1_28","release_1_27_1","release_1_27","release_1_26","release_1_24","release_1_23","release_1_22","release_1_21","release_1_20","release_1_19","release_1_18","release_1_17","release_1_16_1","release_1_16","alpha_1_15_91","alpha_1_15_90_incremental_1","alpha_1_15_90","release_1_15_1","release_1_15","release_1_14"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2016-6321.json"}},{"ranges":[{"type":"GIT","repo":"https://cgit.git.savannah.gnu.org/cgit/tar.git","events":[{"introduced":"0"},{"fixed":"7340f67b9860ea0531c1450e5aa261c50f67165d"}],"database_specific":{"source":"REFERENCES"}}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2016-6321.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N"}]}