CVE-2016-0747
Summary
| CVE | CVE-2016-0747 |
|---|---|
| State | PUBLISHED |
| Assigner | redhat |
| Source Priority | CVE Program / NVD first with legacy fallback |
| Published | 2016-02-15 19:59:02 UTC |
| Updated | 2026-05-06 22:30:45 UTC |
| Description | 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. |
Risk And Classification
Primary CVSS: v3.1 5.3 MEDIUM from [email protected]
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
Problem Types: CWE-400 | n/a
| Version | Source | Type | Score | Severity | Vector |
|---|---|---|---|---|---|
| 3.1 | [email protected] | Primary | 5.3 | MEDIUM | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L |
| 2.0 | [email protected] | Primary | 5 | AV:N/AC:L/Au:N/C:N/I:N/A:P |
CVSS v3.1 Breakdown
Attack Vector
NetworkAttack Complexity
LowPrivileges Required
NoneUser Interaction
NoneScope
UnchangedConfidentiality
NoneIntegrity
NoneAvailability
LowCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
CVSS v2.0 Breakdown
Access Vector
NetworkAccess Complexity
LowAuthentication
NoneConfidentiality
NoneIntegrity
NoneAvailability
PartialAV:N/AC:L/Au:N/C:N/I:N/A:P
NVD Known Affected Configurations (CPE 2.3)
Vendor Declared Affected Products
References
| Reference | Source | Link | Tags |
|---|---|---|---|
| openSUSE-SU-2016:0371-1: moderate: Security update for nginx | af854a3a-2127-422b-91ae-364da2661108 | lists.opensuse.org | Mailing List, Third Party Advisory |
| Full Disclosure: APPLE-SA-2021-09-20-4 Xcode 13 | af854a3a-2127-422b-91ae-364da2661108 | seclists.org | Mailing List, Third Party Advisory |
| Bug 1302589 – CVE-2016-0747 nginx: Insufficient limits of CNAME resolution in resolver | af854a3a-2127-422b-91ae-364da2661108 | bugzilla.redhat.com | Issue Tracking, Patch, Third Party Advisory |
| Red Hat Customer Portal | af854a3a-2127-422b-91ae-364da2661108 | access.redhat.com | Third Party Advisory |
| About the security content of Xcode 13 - Apple Support | af854a3a-2127-422b-91ae-364da2661108 | support.apple.com | Third Party Advisory |
| nginx security advisory (CVE-2016-0742, CVE-2016-0746, CVE-2016-0747) | af854a3a-2127-422b-91ae-364da2661108 | mailman.nginx.org | Vendor Advisory |
| USN-2892-1: nginx vulnerabilities | Ubuntu | af854a3a-2127-422b-91ae-364da2661108 | www.ubuntu.com | Third Party Advisory |
| nginx: Multiple vulnerabilities (GLSA 201606-06) — Gentoo security | af854a3a-2127-422b-91ae-364da2661108 | security.gentoo.org | Third Party Advisory |
| Debian -- Security Information -- DSA-3473-1 nginx | af854a3a-2127-422b-91ae-364da2661108 | www.debian.org | Third Party Advisory |
| Broadcom Support Portal | af854a3a-2127-422b-91ae-364da2661108 | bto.bluecoat.com | Third Party Advisory |
| nginx DNS Processing Flaws Let Remote Users Deny Service - SecurityTracker | af854a3a-2127-422b-91ae-364da2661108 | www.securitytracker.com | Third Party Advisory, VDB Entry |
| CVE Program record | CVE.ORG | www.cve.org | canonical |
| NVD vulnerability detail | NVD | nvd.nist.gov | canonical, analysis |
No vendor comments have been submitted for this CVE.
Legacy QID Mappings
- 375873 Apple Xcode Prior to 13 Vulnerability (HT212818)