Instituto Nacional de ciberseguridad. Sección Incibe
Instituto Nacional de Ciberseguridad. Sección INCIBE-CERT

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CVE-2016-6321

Severity CVSS v4.0:
Pending analysis
Type:
CWE-22 Path Traversal
Publication date:
09/12/2016
Last modified:
12/04/2025

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.

Impact

Vector 3.x
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N CVSS v3.1 Severity and Metrics:

Base Score: 7.50 HIGH
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope (S): Unchanged
Confidentiality (C): None
Integrity (I): High
Availability (A): None

Base Score 3.x
7.50
Severity 3.x
HIGH
Vector 2.0
AV:N/AC:L/Au:N/C:N/I:P/A:N CVSS v2.0 Severity and Metrics:

Base Score: 5.00 MEDIUM
Vector: AV:N/AC:L/Au:N/C:N/I:P/A:N

Attack Vector (AV): Network
Attack Complexity (AC): Low
Authentication (Au): None
Confidentiality (C): None
Integrity (I): Physical
Availability (A): None

Base Score 2.0
5.00
Severity 2.0
MEDIUM

Vulnerable products and versions

CPE From Up to
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:*:*:*:*:*:*:*

To consult the complete list of CPE names with products and versions, see this page


References to Advisories, Solutions, and Tools