Vulnerability Details : CVE-2016-4450
os/unix/ngx_files.c in nginx before 1.10.1 and 1.11.x before 1.11.1 allows remote attackers to cause a denial of service (NULL pointer dereference and worker process crash) via a crafted request, involving writing a client request body to a temporary file.
Vulnerability category: Memory CorruptionDenial of service
Products affected by CVE-2016-4450
- cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*
- cpe:2.3:a:f5:nginx:*:*:*:*:*:*:*:*
- cpe:2.3:a:f5:nginx:1.11.0:*:*:*:*:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:esm:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:15.10:*:*:*:*:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2016-4450
2.99%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 86 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2016-4450
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
---|---|---|---|---|---|---|
5.0
|
MEDIUM | AV:N/AC:L/Au:N/C:N/I:N/A:P |
10.0
|
2.9
|
NIST | |
7.5
|
HIGH | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
3.9
|
3.6
|
NIST |
CWE ids for CVE-2016-4450
-
The product dereferences a pointer that it expects to be valid but is NULL.Assigned by: nvd@nist.gov (Primary)
References for CVE-2016-4450
-
http://www.debian.org/security/2016/dsa-3592
Debian -- Security Information -- DSA-3592-1 nginxThird Party Advisory
-
http://www.securityfocus.com/bid/90967
nginx CVE-2016-4450 Denial of Service VulnerabilityThird Party Advisory;VDB Entry
-
https://security.gentoo.org/glsa/201606-06
nginx: Multiple vulnerabilities (GLSA 201606-06) — Gentoo securityThird Party Advisory
-
https://access.redhat.com/errata/RHSA-2016:1425
RHSA-2016:1425 - Security Advisory - Red Hat Customer PortalThird Party Advisory
-
http://www.ubuntu.com/usn/USN-2991-1
USN-2991-1: nginx vulnerability | Ubuntu security noticesThird Party Advisory
-
http://mailman.nginx.org/pipermail/nginx-announce/2016/000179.html
[nginx-announce] nginx security advisory (CVE-2016-4450)Vendor Advisory
-
http://www.securitytracker.com/id/1036019
nginx Null Pointer Dereference in ngx_chain_to_iovec() Lets Remote Users Deny Service - SecurityTrackerThird Party Advisory;VDB Entry
Jump to