CVE-2016-6321

Published: 28 October 2016

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.

Priority

Medium

CVSS 3 base score: 7.5

Status

Package Release Status
tar
Launchpad, Ubuntu, Debian
Upstream
Released (1.29b-1.1)
Ubuntu 16.04 LTS (Xenial Xerus)
Released (1.28-2.1ubuntu0.1)
Ubuntu 14.04 ESM (Trusty Tahr)
Released (1.27.1-1ubuntu0.1)
Ubuntu 12.04 ESM (Precise Pangolin)
Released (1.26-4ubuntu1.1)
Patches:
Upstream: http://git.savannah.gnu.org/cgit/tar.git/commit/?id=7340f67b9860ea0531c1450e5aa261c50f67165d
Other: https://sintonen.fi/advisories/tar-extract-pathname-bypass.patch