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…
Does this matter?
EPSS puts the probability of exploitation in the next 30 days at 15.2%, higher than 97% of all known CVEs. Patch or mitigate before the next change window.
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.
- CVSS 3.1
- 7.5 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
- EPSS
- 15.15% probability · 97th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-22
- Affected
- gnu/tar
- Source
- secalert@redhat.com
References
- http://git.savannah.gnu.org/cgit/tar.git/commit/?id=7340f67b9860ea0531c1450e5aa261c50f67165dIssue Tracking, Patch
- http://lists.gnu.org/archive/html/bug-tar/2016-10/msg00016.htmlMailing List, Vendor Advisory
- http://packetstormsecurity.com/files/139370/GNU-tar-1.29-Extract-Pathname-Bypass.htmlExploit, Third Party Advisory, VDB Entry
- http://seclists.org/fulldisclosure/2016/Oct/102Mailing List, Patch, Third Party Advisory
- http://seclists.org/fulldisclosure/2016/Oct/96Mailing List, Third Party Advisory
- http://www.debian.org/security/2016/dsa-3702
- http://www.securityfocus.com/bid/93937Third Party Advisory, VDB Entry
- http://www.ubuntu.com/usn/USN-3132-1
- https://lists.apache.org/thread.html/r58af02e294bd07f487e2c64ffc0a29b837db5600e33b6e698b9d696b%40%3Cissues.bookkeeper.apache.org%3E
- https://lists.apache.org/thread.html/rf4c02775860db415b4955778a131c2795223f61cb8c6a450893651e4%40%3Cissues.bookkeeper.apache.org%3E
- https://security.gentoo.org/glsa/201611-19
- https://sintonen.fi/advisories/tar-extract-pathname-bypass.proper.txtThird Party Advisory
- http://git.savannah.gnu.org/cgit/tar.git/commit/?id=7340f67b9860ea0531c1450e5aa261c50f67165dIssue Tracking, Patch
- http://lists.gnu.org/archive/html/bug-tar/2016-10/msg00016.htmlMailing List, Vendor Advisory
- http://packetstormsecurity.com/files/139370/GNU-tar-1.29-Extract-Pathname-Bypass.htmlExploit, Third Party Advisory, VDB Entry
- http://seclists.org/fulldisclosure/2016/Oct/102Mailing List, Patch, Third Party Advisory
- http://seclists.org/fulldisclosure/2016/Oct/96Mailing List, Third Party Advisory
- http://www.debian.org/security/2016/dsa-3702
- http://www.securityfocus.com/bid/93937Third Party Advisory, VDB Entry
- http://www.ubuntu.com/usn/USN-3132-1
- https://lists.apache.org/thread.html/r58af02e294bd07f487e2c64ffc0a29b837db5600e33b6e698b9d696b%40%3Cissues.bookkeeper.apache.org%3E
- https://lists.apache.org/thread.html/rf4c02775860db415b4955778a131c2795223f61cb8c6a450893651e4%40%3Cissues.bookkeeper.apache.org%3E
- https://security.gentoo.org/glsa/201611-19
- https://sintonen.fi/advisories/tar-extract-pathname-bypass.proper.txtThird Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.