High severity · published Nov 29, 2016
CVE-2016-1247
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…
7.8
CVSS
4.9%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack vector
Local
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)4.9% · higher than 92% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
FE
Fedora · Fedoraproject
33; 34; 35 · source: NVD
NG
Nginx · F5
through 1.10.1; through 1.10.0; through 1.6.2; through 1.4.3 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2016-1247
CVE.org
https://www.cve.org/CVERecord?id=CVE-2016-1247
Exploit
http://packetstormsecurity.com/files/139750/Nginx-Debian-Based-Distros-Root-Privilege-Escalation.html
Mailing List
http://seclists.org/fulldisclosure/2016/Nov/78
Mailing List
http://seclists.org/fulldisclosure/2017/Jan/33
Vendor Advisory
http://www.debian.org/security/2016/dsa-3701
Third Party Advisory
http://www.securityfocus.com/archive/1/539796/100/0/threaded
Third Party Advisory
http://www.securityfocus.com/bid/93903
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