vulnwire
7.5high

CVE-2016-6321in critical feed

Directory traversal vulnerability in the safer_name_suffix function in GNU tar 1.14 through 1.29 might allow remote attackers to bypass an…

Published 9 y ago · modified 4 mo ago · JSON

CVSS
7.5
v3.1 · CNA
CISA KEV
No
not known exploited
EPSS
15.7%
percentile 97%
Public exploits
0
none known

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.

CISA SSVC assessment

Exploitation
Proof of concept public
Automatable
yes
Technical impact
partial
Assessed
15 mo ago

Exploit prediction (EPSS)

15.75% probability of exploitation in the next 30 days, higher than 97% of all scored CVEs.

CVSS scores

Assigned byVersionScoreVector
CISA ADP3.17.5CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
CNA3.17.5CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
NVD3.07.5CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
NVD2.05.0AV:N/AC:L/Au:N/C:N/I:P/A:N

Classification

Weakness
  • CWE-22 Improper Limitation of a Pathname to a Restricted Directory

References

  • seclists.org /fulldisclosure/2016/Oct/102 · mailing-list, x_refsource_FULLDISC, x_transferred
  • securityfocus.com /bid/93937 · vdb-entry, x_refsource_BID, x_transferred
  • security.gentoo.org /glsa/201611-19 · vendor-advisory, x_refsource_GENTOO, x_transferred
  • seclists.org /fulldisclosure/2016/Oct/96 · mailing-list, x_refsource_FULLDISC, x_transferred
  • git.savannah.gnu.org /cgit/tar.git/commit/?id=7340f67b9860ea0531c1450e5aa261c50f67165d · x_refsource_CONFIRM, x_transferred
  • lists.gnu.org /archive/html/bug-tar/2016-10/msg00016.html · mailing-list, x_refsource_MLIST, x_transferred
  • debian.org /security/2016/dsa-3702 · vendor-advisory, x_refsource_DEBIAN, x_transferred
  • sintonen.fi /advisories/tar-extract-pathname-bypass.proper.txt · x_refsource_MISC, x_transferred
  • packetstormsecurity.com /files/139370/GNU-tar-1.29-Extract-Pathname-Bypass.html · x_refsource_MISC, x_transferred
  • ubuntu.com /usn/USN-3132-1 · vendor-advisory, x_refsource_UBUNTU, x_transferred
  • lists.apache.org /thread.html/rf4c02775860db415b4955778a131c2795223f61cb8c6a450893651e4%40%3Cissues.bookkee · mailing-list, x_refsource_MLIST, x_transferred
  • lists.apache.org /thread.html/r58af02e294bd07f487e2c64ffc0a29b837db5600e33b6e698b9d696b%40%3Cissues.bookkee · mailing-list, x_refsource_MLIST, x_transferred

Sources

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