CVE-2016-6321

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.

Score

CVSS 3.1 7.5 High

Status

Modified - secalert@redhat.com

Published

2016-12-09

Last modified

2025-08-06

Weaknesses

CWE-22

Affected products

• Tar (Gnu)

References

• http://git.savannah.gnu.org/cgit/tar.git/commit/?id=7340f67b9860ea0531c1450e5aa261c50f67165d
• http://lists.gnu.org/archive/html/bug-tar/2016-10/msg00016.html
• http://packetstormsecurity.com/files/139370/GNU-tar-1.29-Extract-Pathname-Bypass.html
• http://seclists.org/fulldisclosure/2016/Oct/102
• http://seclists.org/fulldisclosure/2016/Oct/96
• http://www.debian.org/security/2016/dsa-3702
• http://www.securityfocus.com/bid/93937
• http://www.ubuntu.com/usn/USN-3132-1
• https://lists.apache.org/thread.html/r58af02e294bd07f487e2c64ffc0a29b837db5600e33b6e698b9d696b%40%3Cissues.bookkeeper.a…
• https://lists.apache.org/thread.html/rf4c02775860db415b4955778a131c2795223f61cb8c6a450893651e4%40%3Cissues.bookkeeper.a…
• https://security.gentoo.org/glsa/201611-19
• https://sintonen.fi/advisories/tar-extract-pathname-bypass.proper.txt