PT-2016-4669 · Nginx+1 · Nginx+1

Dawid Golunski · Published 2016-10-25 · Updated 2021-12-14 · CVE-2016-1247

Positive Technologies (AI Summary)

CVSS v3.1

7.8

High

Base vector

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

Name of the Vulnerable Software and Affected Versions nginx versions prior to 1.6.2-5+deb8u3 on Debian jessie nginx versions prior to 1.4.6-1ubuntu3.6 on Ubuntu 14.04 LTS nginx versions prior to 1.10.0-0ubuntu0.16.04.3 on Ubuntu 16.04 LTS nginx versions prior to 1.10.1-0ubuntu1.1 on Ubuntu 16.10 nginx versions prior to 1.10.2-r3 on Gentoo

Description The issue allows local users with access to the web server user account to gain root privileges via a symlink attack on the error log.

Recommendations For Debian jessie, update to version 1.6.2-5+deb8u3 or later. For Ubuntu 14.04 LTS, update to version 1.4.6-1ubuntu3.6 or later. For Ubuntu 16.04 LTS, update to version 1.10.0-0ubuntu0.16.04.3 or later. For Ubuntu 16.10, update to version 1.10.1-0ubuntu1.1 or later. For Gentoo, update to version 1.10.2-r3 or later.

Exploit

Fix

Link Following

Weakness Enumeration

CWE-59

Related Identifiers

CVE-2016-1247

DSA-3701-1

DSA-3701-2

OPENSUSE-SU-2024:11341-1

USN-3114-1

USN-3114-2

Affected Products

Ubuntu

Nginx

References · 36

• 🔥 http://packetstormsecurity.com/files/139750/Nginx-Debian-Based-Distros-Root-Privilege-Escalation.html · Exploit
• 🔥 https://youtube.com/watch?v=aTswN1k1fQs · Exploit
• 🔥 https://legalhackers.com/advisories/Nginx-Exploit-Deb-Root-PrivEsc-CVE-2016-1247.html · Exploit
• 🔥 https://exploit-db.com/exploits/40768 · Exploit
• https://osv.dev/vulnerability/USN-3114-1 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2016-1247 · Security Note
• https://ubuntu.com/security/notices/USN-3114-1 · Vendor Advisory
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ESTIADC7BDB6VTH4JAP6C6OCW2CQ4NHP · Vendor Advisory
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/P3WOO7E5R2HT5XVOIOFPEFALILVOWZUF · Vendor Advisory
• https://ubuntu.com/security/notices/USN-3114-2 · Vendor Advisory
• https://osv.dev/vulnerability/UBUNTU-CVE-2016-1247 · Vendor Advisory
• https://security.gentoo.org/glsa/201701-22 · Vendor Advisory
• http://debian.org/security/2016/dsa-3701 · Vendor Advisory
• https://security-tracker.debian.org/tracker/source-package/nginx · Vendor Advisory
• https://security-tracker.debian.org/tracker/CVE-2016-1247 · Vendor Advisory