Vulnerability Monitor

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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.

Published

2016-12-09T22:59:00.170

Last Modified

2025-04-12T10:46:40.837

Status

Deferred

Source

[email protected]

Severity

CVSSv3.0: 7.5 (HIGH)

CVSSv2 Vector

AV:N/AC:L/Au:N/C:N/I:P/A:N

Access Vector: NETWORK
Access Complexity: LOW
Authentication: NONE
Confidentiality Impact: NONE
Integrity Impact: PARTIAL
Availability Impact: NONE

Exploitability Score

10.0

Impact Score

2.9

Weaknesses

Type: Primary
CWE-22

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	gnu	tar	1.14	Yes
Application	gnu	tar	1.15	Yes
Application	gnu	tar	1.15.1	Yes
Application	gnu	tar	1.15.90	Yes
Application	gnu	tar	1.15.91	Yes
Application	gnu	tar	1.16	Yes
Application	gnu	tar	1.16.1	Yes
Application	gnu	tar	1.17	Yes
Application	gnu	tar	1.18	Yes
Application	gnu	tar	1.19	Yes
Application	gnu	tar	1.20	Yes
Application	gnu	tar	1.21	Yes
Application	gnu	tar	1.22	Yes
Application	gnu	tar	1.23	Yes
Application	gnu	tar	1.24	Yes
Application	gnu	tar	1.25	Yes
Application	gnu	tar	1.26	Yes
Application	gnu	tar	1.27	Yes
Application	gnu	tar	1.27.1	Yes
Application	gnu	tar	1.28	Yes
Application	gnu	tar	1.29	Yes

References

http://git.savannah.gnu.org/cgit/tar.git/commit/?id=7340f67b9860ea0531c1450e5aa261c50f67165d Issue Tracking, Patch ([email protected])
http://lists.gnu.org/archive/html/bug-tar/2016-10/msg00016.html Mailing List, Vendor Advisory ([email protected])
http://packetstormsecurity.com/files/139370/GNU-tar-1.29-Extract-Pathname-Bypass.html Exploit, Third Party Advisory, VDB Entry ([email protected])
http://seclists.org/fulldisclosure/2016/Oct/102 Mailing List, Patch, Third Party Advisory ([email protected])
http://seclists.org/fulldisclosure/2016/Oct/96 Mailing List, Third Party Advisory ([email protected])
http://www.debian.org/security/2016/dsa-3702 ([email protected])
http://www.securityfocus.com/bid/93937 Third Party Advisory, VDB Entry ([email protected])
http://www.ubuntu.com/usn/USN-3132-1 ([email protected])
https://lists.apache.org/thread.html/r58af02e294bd07f487e2c64ffc0a29b837db5600e33b6e698b9d696b%40%3Cissues.bookkeeper.apache.org%3E ([email protected])
https://lists.apache.org/thread.html/rf4c02775860db415b4955778a131c2795223f61cb8c6a450893651e4%40%3Cissues.bookkeeper.apache.org%3E ([email protected])
https://security.gentoo.org/glsa/201611-19 ([email protected])
https://sintonen.fi/advisories/tar-extract-pathname-bypass.proper.txt Third Party Advisory ([email protected])
http://git.savannah.gnu.org/cgit/tar.git/commit/?id=7340f67b9860ea0531c1450e5aa261c50f67165d Issue Tracking, Patch (af854a3a-2127-422b-91ae-364da2661108)
http://lists.gnu.org/archive/html/bug-tar/2016-10/msg00016.html Mailing List, Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://packetstormsecurity.com/files/139370/GNU-tar-1.29-Extract-Pathname-Bypass.html Exploit, Third Party Advisory, VDB Entry (af854a3a-2127-422b-91ae-364da2661108)
http://seclists.org/fulldisclosure/2016/Oct/102 Mailing List, Patch, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://seclists.org/fulldisclosure/2016/Oct/96 Mailing List, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://www.debian.org/security/2016/dsa-3702 (af854a3a-2127-422b-91ae-364da2661108)
http://www.securityfocus.com/bid/93937 Third Party Advisory, VDB Entry (af854a3a-2127-422b-91ae-364da2661108)
http://www.ubuntu.com/usn/USN-3132-1 (af854a3a-2127-422b-91ae-364da2661108)
https://lists.apache.org/thread.html/r58af02e294bd07f487e2c64ffc0a29b837db5600e33b6e698b9d696b%40%3Cissues.bookkeeper.apache.org%3E (af854a3a-2127-422b-91ae-364da2661108)
https://lists.apache.org/thread.html/rf4c02775860db415b4955778a131c2795223f61cb8c6a450893651e4%40%3Cissues.bookkeeper.apache.org%3E (af854a3a-2127-422b-91ae-364da2661108)
https://security.gentoo.org/glsa/201611-19 (af854a3a-2127-422b-91ae-364da2661108)
https://sintonen.fi/advisories/tar-extract-pathname-bypass.proper.txt Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)