CVE-2016-1247

high

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.

References

Advisories
More

https://security.gentoo.org/glsa/201701-22

http://www.securitytracker.com/id/1037104

http://www.securityfocus.com/bid/93903

http://www.securityfocus.com/archive/1/539796/100/0/threaded

http://seclists.org/fulldisclosure/2017/Jan/33

http://seclists.org/fulldisclosure/2016/Nov/78

https://www.youtube.com/watch?v=aTswN1k1fQs

https://www.exploit-db.com/exploits/40768/

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/P3WOO7E5R2HT5XVOIOFPEFALILVOWZUF/

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ESTIADC7BDB6VTH4JAP6C6OCW2CQ4NHP/

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/CBIZEKHBOCKO7FUMCO4X53ENMWU5OYFX/

https://legalhackers.com/advisories/Nginx-Exploit-Deb-Root-PrivEsc-CVE-2016-1247.html

https://euvd.enisa.europa.eu/vulnerability/EUVD-2016-2346

http://www.ubuntu.com/usn/USN-3114-1

http://www.debian.org/security/2016/dsa-3701

http://packetstormsecurity.com/files/139750/Nginx-Debian-Based-Distros-Root-Privilege-Escalation.html

Details

Source: Mitre, NVD

Published: 2016-11-29

Updated: 2026-05-06

Risk Information

CVSS v2

Base Score: 7.2

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

Severity: High

CVSS v3

Base Score: 7.8

Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Severity: High

EPSS

EPSS: 0.04863