NULL pointer dereference in F5 Nginx
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…
EPSS: 0.036 (88.0th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
Affected products
- F5 Nginx — versions 1.11.0
- Canonical Ubuntu_linux — versions 14.04, 15.10, 16.04
- Debian Debian_linux — versions 8.0
- N/a — versions n/a
Weakness classification (CWE)
Public proof-of-concept exploits
References
- 1036019 (Third Party Advisory, VDB Entry, vdb-entry, x_refsource_SECTRACK)
- GLSA-201606-06 (vendor-advisory, Third Party Advisory, x_refsource_GENTOO)
- [nginx-announce] 20160531 nginx security advisory (CVE-2016-4450) (Vendor Advisory, mailing-list, x_refsource_MLIST)
- USN-2991-1 (x_refsource_UBUNTU, vendor-advisory, Third Party Advisory)
- DSA-3592 (vendor-advisory, Third Party Advisory, x_refsource_DEBIAN)
- RHSA-2016:1425 (x_refsource_REDHAT, vendor-advisory, Third Party Advisory)
- 90967 (Third Party Advisory, VDB Entry, vdb-entry, x_refsource_BID)
Frequently asked questions
- What is CVE-2016-4450?
- CVE-2016-4450 is a high-severity vulnerability in F5 Nginx, classified under NULL Pointer Dereference. CVSS score: 7.5/10. Published 2016-06-07.
- How severe is CVE-2016-4450?
- High severity. CVSS v3 base score is 7.5 out of 10.
- Is CVE-2016-4450 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.