CVE-2016-1247

Name	CVE-2016-1247
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	CVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, Mageia, GitHub advisories/code/issues, web search, more)
References	DSA-3701-1
Debian Bugs	842295

Vulnerable and fixed packages

The table below lists information on source packages.

Source Package	Release	Version	Status
nginx (PTS)	buster	1.14.2-2+deb10u4	fixed
	buster (security)	1.14.2-2+deb10u5	fixed
	bullseye (security), bullseye	1.18.0-6.1+deb11u3	fixed
	bookworm, sid	1.22.1-9	fixed

The information below is based on the following data on fixed versions.

Package	Type	Release	Fixed Version	Origin	Debian Bugs
nginx	source	wheezy	(not affected)
nginx	source	jessie	1.6.2-5+deb8u3	DSA-3701-1
nginx	source	(unstable)	1.10.2-1		842295

Notes

[wheezy] - nginx <not-affected> (Introduced by the fix for CVE-2013-0337, not applied)
Issue introduced with the Debian specific fix for CVE-2013-0337 / #701112
http://legalhackers.com/advisories/Nginx-Exploit-Deb-Root-PrivEsc-CVE-2016-1247.html