High severity · published Jun 7, 2016
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…
7.5
CVSS
16.4%
EPSS
No
On KEV
Description
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)16.4% · higher than 97% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
DL
Debian Linux · Debian
8.0 · source: NVD
NG
Nginx · F5
1.3.9 before 1.10.1; 1.11.0 · source: NVD
UL
Ubuntu Linux · Canonical
14.04; 15.10; 16.04 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2016-4450
CVE.org
https://www.cve.org/CVERecord?id=CVE-2016-4450
Vendor Advisory
http://mailman.nginx.org/pipermail/nginx-announce/2016/000179.html
Third Party Advisory
http://www.debian.org/security/2016/dsa-3592
Third Party Advisory
http://www.securityfocus.com/bid/90967
Third Party Advisory
http://www.securitytracker.com/id/1036019
Third Party Advisory
http://www.ubuntu.com/usn/USN-2991-1
Third Party Advisory
https://access.redhat.com/errata/RHSA-2016:1425
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