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CVE-2016-6321

HIGH
7.5
CVSS Score
Published: December 9, 2016 at 10:00 PM UTC
Updated: June 17, 2026 at 12:50 AM UTC
1 product affected across 1 vendorTar

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Severity
HIGH7.5
Exploit prediction
EPSS 16%
SSVC
PoC

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

References (12)

x_refsource_CONFIRMIssue TrackingPatch
Source: [email protected]
http://git.savannah.gnu.org/cgit/tar.git/commit/?id=7340f67b9860ea0531c1450e5aa261c50f67165d
Mailing Listx_refsource_MLISTVendor Advisory
Source: [email protected]
http://lists.gnu.org/archive/html/bug-tar/2016-10/msg00016.html
x_refsource_MISCExploitThird Party AdvisoryVDB Entry
Source: [email protected]
http://packetstormsecurity.com/files/139370/GNU-tar-1.29-Extract-Pathname-Bypass.html
Mailing Listx_refsource_FULLDISCPatchThird Party Advisory
Source: [email protected]
http://seclists.org/fulldisclosure/2016/Oct/102
Mailing Listx_refsource_FULLDISCThird Party Advisory
Source: [email protected]
http://seclists.org/fulldisclosure/2016/Oct/96
Vendor Advisoryx_refsource_DEBIAN
Source: [email protected]
http://www.debian.org/security/2016/dsa-3702
VDB Entryx_refsource_BIDThird Party Advisory
Source: [email protected]
http://www.securityfocus.com/bid/93937
Vendor Advisoryx_refsource_UBUNTU
Source: [email protected]
http://www.ubuntu.com/usn/USN-3132-1

SSVC — Action Prioritization

SSVCPoCAutomatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

7.5HIGHCISA-ADP
Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
HIGH
Availability
NONE
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-22

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