Ubuntu 12.04 LTS / 14.04 LTS / 16.04 LTS / 16.10 : tar vulnerability (USN-3132-1)

Medium Nessus Plugin ID 95054


The remote Ubuntu host is missing a security-related patch.


Harry Sintonen discovered that tar incorrectly handled extracting files when path names are specified on the command line. If a user or automated system were tricked into processing a specially crafted archive, an attacker could possibly overwrite arbitrary files.

Note that Tenable Network Security has extracted the preceding description block directly from the Ubuntu security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.


Update the affected tar package.

Plugin Details

Severity: Medium

ID: 95054

File Name: ubuntu_USN-3132-1.nasl

Version: $Revision: 2.4 $

Type: local

Agent: unix

Published: 2016/11/22

Modified: 2016/12/21

Dependencies: 12634

Risk Information

Risk Factor: Medium


Base Score: 5

Temporal Score: 3.8

Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:P/A:N

Temporal Vector: CVSS2#E:U/RL:U/RC:UC


Base Score: 7.5

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

Vulnerability Information

CPE: p-cpe:/a:canonical:ubuntu_linux:tar, cpe:/o:canonical:ubuntu_linux:12.04:-:lts, cpe:/o:canonical:ubuntu_linux:14.04, cpe:/o:canonical:ubuntu_linux:16.04, cpe:/o:canonical:ubuntu_linux:16.10

Required KB Items: Host/cpu, Host/Ubuntu, Host/Ubuntu/release, Host/Debian/dpkg-l

Exploit Available: false

Exploit Ease: No known exploits are available

Patch Publication Date: 2016/11/21

Reference Information

CVE: CVE-2016-6321

OSVDB: 146394

USN: 3132-1