CVE-2016-6321
Published: 28 October 2016
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.
Priority
Status
Package | Release | Status |
---|---|---|
tar Launchpad, Ubuntu, Debian |
precise |
Released
(1.26-4ubuntu1.1)
|
trusty |
Released
(1.27.1-1ubuntu0.1)
|
|
upstream |
Released
(1.29b-1.1)
|
|
xenial |
Released
(1.28-2.1ubuntu0.1)
|
|
yakkety |
Released
(1.29b-1ubuntu0.1)
|
|
zesty |
Not vulnerable
(1.29b-1.1)
|
|
Patches: upstream: http://git.savannah.gnu.org/cgit/tar.git/commit/?id=7340f67b9860ea0531c1450e5aa261c50f67165d other: https://sintonen.fi/advisories/tar-extract-pathname-bypass.patch |
Severity score breakdown
Parameter | Value |
---|---|
Base score | 7.5 |
Attack vector | Network |
Attack complexity | Low |
Privileges required | None |
User interaction | None |
Scope | Unchanged |
Confidentiality | None |
Integrity impact | High |
Availability impact | None |
Vector | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N |