CVE Database›Document archive›CVE-2016-6321

CVE-2016-6321

tar: Bypassing the extract path name

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Severity

Moderate

Red Hat Product Security

5.1

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 · 5.1
AV:N/AC:H/Au:N/C:P/I:P/A:P

CWE-22 · Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')