CVE-2016-1247

Nginx (Debian Based Distros + Gentoo) - 'logrotate' Local Privilege Escalation

Severity Score

7.8

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

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.

El paquete nginx en versiones anteriores a 1.6.2-5+deb8u3 en Debian jessie, los paquetes nginx en versiones anteriores a 1.4.6-1ubuntu3.6 en Ubuntu 14.04 LTS, en versiones anteriores a 1.10.0-0ubuntu0.16.04.3 en Ubuntu 16.04 LTS y en versiones anteriores a 1.10.1-0ubuntu1.1 en Ubuntu 16.10 y la nginx ebuild en versiones anteriores a 1.10.2-r3 en Gentoo permiten a usuarios locales con acceso a la cuenta de usuario del servidor web obtener privilegios de root a través de un ataque de enlace simbólico en el registro de error.

*Credits: N/A

Attack Vector

Local

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Attack Vector

Local

Attack Complexity

Low

Authentication

None

Confidentiality

Complete

Integrity

Complete

Availability

Complete

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2015-12-27 CVE Reserved
2016-10-26 CVE Published
2023-11-08 EPSS Updated
2024-08-05 CVE Updated
2024-08-05 First Exploit
---------- Exploited in Wild
---------- KEV Due Date

CWE

CWE-59: Improper Link Resolution Before File Access ('Link Following')

CAPEC

References (15)

URL	Tag	Source
http://seclists.org/fulldisclosure/2016/Nov/78	Mailing List
http://seclists.org/fulldisclosure/2017/Jan/33	Mailing List
http://www.securityfocus.com/archive/1/539796/100/0/threaded	Mailing List
http://www.securityfocus.com/bid/93903	Third Party Advisory
http://www.securitytracker.com/id/1037104	Third Party Advisory

URL	Date	SRC
https://www.exploit-db.com/exploits/40768	2024-08-05
http://packetstormsecurity.com/files/139750/Nginx-Debian-Based-Distros-Root-Privilege-Escalation.html	2024-08-05
https://legalhackers.com/advisories/Nginx-Exploit-Deb-Root-PrivEsc-CVE-2016-1247.html	2024-08-05
https://www.youtube.com/watch?v=aTswN1k1fQs	2024-08-05

URL	Date	SRC

URL	Date	SRC
http://www.debian.org/security/2016/dsa-3701	2023-11-07
http://www.ubuntu.com/usn/USN-3114-1	2023-11-07
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/CBIZEKHBOCKO7FUMCO4X53ENMWU5OYFX	2023-11-07
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ESTIADC7BDB6VTH4JAP6C6OCW2CQ4NHP	2023-11-07
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/P3WOO7E5R2HT5XVOIOFPEFALILVOWZUF	2023-11-07
https://security.gentoo.org/glsa/201701-22	2023-11-07

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
F5 Search vendor "F5"	Nginx Search vendor "F5" for product "Nginx"	<= 1.10.1 Search vendor "F5" for product "Nginx" and version " <= 1.10.1"	-	Affected	in	Canonical Search vendor "Canonical"	Ubuntu Linux Search vendor "Canonical" for product "Ubuntu Linux"	16.10 Search vendor "Canonical" for product "Ubuntu Linux" and version "16.10"	-	Safe
F5 Search vendor "F5"	Nginx Search vendor "F5" for product "Nginx"	<= 1.10.0 Search vendor "F5" for product "Nginx" and version " <= 1.10.0"	-	Affected	in	Canonical Search vendor "Canonical"	Ubuntu Linux Search vendor "Canonical" for product "Ubuntu Linux"	16.04 Search vendor "Canonical" for product "Ubuntu Linux" and version "16.04"	lts	Safe
F5 Search vendor "F5"	Nginx Search vendor "F5" for product "Nginx"	<= 1.6.2 Search vendor "F5" for product "Nginx" and version " <= 1.6.2"	-	Affected	in	Debian Search vendor "Debian"	Debian Linux Search vendor "Debian" for product "Debian Linux"	8.0 Search vendor "Debian" for product "Debian Linux" and version "8.0"	-	Safe
F5 Search vendor "F5"	Nginx Search vendor "F5" for product "Nginx"	<= 1.4.3 Search vendor "F5" for product "Nginx" and version " <= 1.4.3"	-	Affected	in	Canonical Search vendor "Canonical"	Ubuntu Linux Search vendor "Canonical" for product "Ubuntu Linux"	14.04 Search vendor "Canonical" for product "Ubuntu Linux" and version "14.04"	lts	Safe
Fedoraproject Search vendor "Fedoraproject"		Fedora Search vendor "Fedoraproject" for product "Fedora"				33 Search vendor "Fedoraproject" for product "Fedora" and version "33"		-		Affected
Fedoraproject Search vendor "Fedoraproject"		Fedora Search vendor "Fedoraproject" for product "Fedora"				34 Search vendor "Fedoraproject" for product "Fedora" and version "34"		-		Affected
Fedoraproject Search vendor "Fedoraproject"		Fedora Search vendor "Fedoraproject" for product "Fedora"				35 Search vendor "Fedoraproject" for product "Fedora" and version "35"		-		Affected