Vulnerability Details : CVE-2016-0747
The resolver in nginx before 1.8.1 and 1.9.x before 1.9.10 does not properly limit CNAME resolution, which allows remote attackers to cause a denial of service (worker process resource consumption) via vectors related to arbitrary name resolution.
Vulnerability category: Denial of service
Products affected by CVE-2016-0747
- cpe:2.3:o:debian:debian_linux:7.0:*:*:*:*:*:*:*
- cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*
- cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
- cpe:2.3:a:apple:xcode:*:*:*:*:*:*:*:*
- cpe:2.3:a:f5:nginx:*:*:*:*:*:*:*:*
- cpe:2.3:a:f5:nginx:*:*:*:*:*:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:esm:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:15.10:*:*:*:*:*:*:*
- cpe:2.3:o:opensuse:leap:42.1:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2016-0747
27.70%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 96 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2016-0747
| 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 | |
|
5.3
|
MEDIUM | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L |
3.9
|
1.4
|
NIST |
CWE ids for CVE-2016-0747
-
The product does not properly control the allocation and maintenance of a limited resource.Assigned by: nvd@nist.gov (Primary)
References for CVE-2016-0747
-
https://bugzilla.redhat.com/show_bug.cgi?id=1302589
1302589 – (CVE-2016-0747) CVE-2016-0747 nginx: Insufficient limits of CNAME resolution in resolverIssue Tracking;Patch;Third Party Advisory
-
http://seclists.org/fulldisclosure/2021/Sep/36
Full Disclosure: APPLE-SA-2021-09-20-4 Xcode 13Mailing List;Third Party Advisory
-
https://bto.bluecoat.com/security-advisory/sa115
SA115 : Multiple nginx DNS resolver vulnerabilitiesThird Party Advisory
-
http://mailman.nginx.org/pipermail/nginx/2016-January/049700.html
nginx security advisory (CVE-2016-0742, CVE-2016-0746, CVE-2016-0747)Vendor Advisory
-
http://www.ubuntu.com/usn/USN-2892-1
USN-2892-1: nginx vulnerabilities | Ubuntu security noticesThird Party Advisory
-
http://lists.opensuse.org/opensuse-updates/2016-02/msg00042.html
openSUSE-SU-2016:0371-1: moderate: Security update for nginxMailing List;Third Party Advisory
-
https://support.apple.com/kb/HT212818
About the security content of Xcode 13 - Apple SupportThird Party Advisory
-
https://security.gentoo.org/glsa/201606-06
nginx: Multiple vulnerabilities (GLSA 201606-06) — Gentoo securityThird Party Advisory
-
http://www.debian.org/security/2016/dsa-3473
Debian -- Security Information -- DSA-3473-1 nginxThird Party Advisory
-
https://access.redhat.com/errata/RHSA-2016:1425
RHSA-2016:1425 - Security Advisory - Red Hat Customer PortalThird Party Advisory
-
http://www.securitytracker.com/id/1034869
nginx DNS Processing Flaws Let Remote Users Deny Service - SecurityTrackerThird Party Advisory;VDB Entry
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