VulnerabilityModified

CVE-2016-1247

HIGH 7.8EPSS 4.86%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (4.86%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

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 3.1: 7.8 HIGHCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS: 4.86% probability · 92th percentile
CISA KEV: Not listed
Weakness: CWE-59
Affected: f5/nginx · fedoraproject/fedora
Source: security@debian.org

References

http://packetstormsecurity.com/files/139750/Nginx-Debian-Based-Distros-Root-Privilege-Escalation.htmlExploit, Third Party Advisory, VDB Entry
http://seclists.org/fulldisclosure/2016/Nov/78Mailing List, Third Party Advisory
http://seclists.org/fulldisclosure/2017/Jan/33Mailing List, Third Party Advisory
http://www.debian.org/security/2016/dsa-3701Vendor Advisory
http://www.securityfocus.com/archive/1/539796/100/0/threadedThird Party Advisory, VDB Entry
http://www.securityfocus.com/bid/93903Third Party Advisory, VDB Entry
http://www.securitytracker.com/id/1037104Third Party Advisory, VDB Entry
http://www.ubuntu.com/usn/USN-3114-1Vendor Advisory
https://legalhackers.com/advisories/Nginx-Exploit-Deb-Root-PrivEsc-CVE-2016-1247.htmlExploit, Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/CBIZEKHBOCKO7FUMCO4X53ENMWU5OYFX/
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/P3WOO7E5R2HT5XVOIOFPEFALILVOWZUF/
https://security.gentoo.org/glsa/201701-22Third Party Advisory
https://www.exploit-db.com/exploits/40768/Exploit, Third Party Advisory, VDB Entry
https://www.youtube.com/watch?v=aTswN1k1fQsExploit, Third Party Advisory
http://packetstormsecurity.com/files/139750/Nginx-Debian-Based-Distros-Root-Privilege-Escalation.htmlExploit, Third Party Advisory, VDB Entry
http://seclists.org/fulldisclosure/2016/Nov/78Mailing List, Third Party Advisory
http://seclists.org/fulldisclosure/2017/Jan/33Mailing List, Third Party Advisory
http://www.debian.org/security/2016/dsa-3701Vendor Advisory
http://www.securityfocus.com/archive/1/539796/100/0/threadedThird Party Advisory, VDB Entry
http://www.securityfocus.com/bid/93903Third Party Advisory, VDB Entry
http://www.securitytracker.com/id/1037104Third Party Advisory, VDB Entry
http://www.ubuntu.com/usn/USN-3114-1Vendor Advisory
https://legalhackers.com/advisories/Nginx-Exploit-Deb-Root-PrivEsc-CVE-2016-1247.htmlExploit, Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/CBIZEKHBOCKO7FUMCO4X53ENMWU5OYFX/
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/P3WOO7E5R2HT5XVOIOFPEFALILVOWZUF/
https://security.gentoo.org/glsa/201701-22Third Party Advisory
https://www.exploit-db.com/exploits/40768/Exploit, Third Party Advisory, VDB Entry
https://www.youtube.com/watch?v=aTswN1k1fQsExploit, Third Party Advisory

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.