National Vulnerability Database

National Vulnerability Database

National Vulnerability
Database

CVE-2016-1247 Detail

Description

The nginx package before 1.6.2-5+deb8u3 on Debian jessie, the nginx packages before 1.4.6-1ubuntu3.6 on Ubuntu 14.04 LTS, before 1.10.0-0ubuntu0.16.04.3 on Ubuntu 16.04 LTS, and before 1.10.1-0ubuntu1.1 on Ubuntu 16.10, and the nginx ebuild before 1.10.2-r3 on Gentoo allow local users with access to the web server user account to gain root privileges via a symlink attack on the error log.

Source:  MITRE      Last Modified:  02/16/2017

Quick Info

CVE Dictionary Entry:
CVE-2016-1247
Original release date:
11/29/2016
Last revised:
02/23/2017
Source:
US-CERT/NIST

Impact

CVSS Severity (version 3.0):
CVSS v3 Base Score:
7.8 High
Vector:
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H (legend)
Impact Score:
5.9
Exploitability Score:
1.8
CVSS Version 3 Metrics:
Attack Vector (AV):
Local
Attack Complexity (AC):
Low
Privileges Required (PR):
Low
User Interaction (UI):
None
Scope (S):
Unchanged
Confidentiality (C):
High
Integrity (I):
High
Availability (A):
High
CVSS Severity (version 2.0):
CVSS v2 Base Score:
7.2 HIGH
Vector:
(AV:L/AC:L/Au:N/C:C/I:C/A:C) (legend)
Impact Subscore:
10.0
Exploitability Subscore:
3.9
CVSS Version 2 Metrics:
Access Vector:
Locally exploitable
Access Complexity:
Low
Authentication:
Not required to exploit
Impact Type:
Provides administrator access, Allows complete confidentiality, integrity, and availability violation; Allows unauthorized disclosure of information; Allows disruption of service

References to Advisories, Solutions, and Tools

By selecting these links, you will be leaving NIST webspace. We have provided these links to other web sites because they may have information that would be of interest to you. No inferences should be drawn on account of other sites being referenced, or not, from this page. There may be other web sites that are more appropriate for your purpose. NIST does not necessarily endorse the views expressed, or concur with the facts presented on these sites. Further, NIST does not endorse any commercial products that may be mentioned on these sites. Please address comments about this page to nvd@nist.gov.

Hyperlink Resource Type Source Name
http://packetstormsecurity.com/files/139750/Nginx-Debian-Based-Distros-Root-Privilege-Escalation.html Exploit; Third Party Advisory; VDB Entry External Source MISC http://packetstormsecurity.com/files/139750/Nginx-Debian-Based-Distros-Root-Privilege-Escalation.html
http://seclists.org/fulldisclosure/2016/Nov/78 Mailing List; Third Party Advisory External Source FULLDISC 20161116 Nginx (Debian-based distros) - Root Privilege Escalation Vulnerability (CVE-2016-1247)
http://seclists.org/fulldisclosure/2017/Jan/33 External Source FULLDISC 20170113 Nginx (Debian-based + Gentoo distros) - Root Privilege Escalation [CVE-2016-1247 UPDATE]
http://www.debian.org/security/2016/dsa-3701 Vendor Advisory External Source DEBIAN DSA-3701
http://www.securityfocus.com/archive/1/archive/1/539796/100/0/threaded Third Party Advisory; VDB Entry External Source BUGTRAQ 20161121 Nginx (Debian-based distros) - Root Privilege Escalation (CVE-2016-1247)
http://www.securityfocus.com/bid/93903 Third Party Advisory; VDB Entry External Source BID 93903
http://www.securitytracker.com/id/1037104 Third Party Advisory; VDB Entry External Source SECTRACK 1037104
http://www.ubuntu.com/usn/USN-3114-1 Vendor Advisory External Source UBUNTU USN-3114-1
https://legalhackers.com/advisories/Nginx-Exploit-Deb-Root-PrivEsc-CVE-2016-1247.html Exploit; Third Party Advisory External Source MISC https://legalhackers.com/advisories/Nginx-Exploit-Deb-Root-PrivEsc-CVE-2016-1247.html
https://security.gentoo.org/glsa/201701-22 External Source GENTOO GLSA-201701-22
https://www.exploit-db.com/exploits/40768/ Exploit; VDB Entry External Source EXPLOIT-DB 40768
https://www.youtube.com/watch?v=aTswN1k1fQs External Source MISC https://www.youtube.com/watch?v=aTswN1k1fQs

Technical Details

Vulnerability Type (View All)

Change History 4 change records found - show changes