CVE-2016-6321
tar: Bypassing the extract path name
Severity
ModerateRed Hat Product Security
CVSS 2.0
Review impact separately from score.
Published · October 27, 2016
Updated · November 21, 2025
Description
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.
Statement
Red Hat Product Security has rated this issue as having Moderate security impact, a future update may address this flaw. This issue did not affect the versions of star as shipped with Red Hat Enterprise Linux 5, 6, and 7.
CVSS score applicability
The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.
Mitigation
Use the "star" utility provided by the "star" package to process archives from untrusted sources.
CVSS / CWE
CVSS 2.0 · 5.1AV:N/AC:H/Au:N/C:P/I:P/A:P
CWE-22 · Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')