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.

CVSS v3 5.3 MEDIUM
CVSS v2.0 5.0 MEDIUM

5.3^/10

CVSS v3 : MEDIUM

V3 Legend

Vector :

Exploitability : 3.9 / Impact : 1.4

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact LOW

Scope UNCHANGED

5.0^/10

CVSS v2.0 : MEDIUM

V2 Legend

Vector : AV:N/AC:L/Au:N/C:N/I:N/A:P

Exploitability : 10.0 / Impact : 2.9

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact PARTIAL

References

Link	Resource
http://lists.opensuse.org/opensuse-updates/2016-02/msg00042.html	Mailing List Third Party Advisory
http://mailman.nginx.org/pipermail/nginx/2016-January/049700.html	Vendor Advisory
http://seclists.org/fulldisclosure/2021/Sep/36	Mailing List Third Party Advisory
http://www.debian.org/security/2016/dsa-3473	Third Party Advisory
http://www.securitytracker.com/id/1034869	Third Party Advisory VDB Entry
http://www.ubuntu.com/usn/USN-2892-1	Third Party Advisory
https://access.redhat.com/errata/RHSA-2016:1425	Third Party Advisory
https://bto.bluecoat.com/security-advisory/sa115	Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1302589	Issue Tracking Patch Third Party Advisory
https://security.gentoo.org/glsa/201606-06	Third Party Advisory
https://support.apple.com/kb/HT212818	Third Party Advisory
http://lists.opensuse.org/opensuse-updates/2016-02/msg00042.html	Mailing List Third Party Advisory
http://mailman.nginx.org/pipermail/nginx/2016-January/049700.html	Vendor Advisory
http://seclists.org/fulldisclosure/2021/Sep/36	Mailing List Third Party Advisory
http://www.debian.org/security/2016/dsa-3473	Third Party Advisory
http://www.securitytracker.com/id/1034869	Third Party Advisory VDB Entry
http://www.ubuntu.com/usn/USN-2892-1	Third Party Advisory
https://access.redhat.com/errata/RHSA-2016:1425	Third Party Advisory
https://bto.bluecoat.com/security-advisory/sa115	Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1302589	Issue Tracking Patch Third Party Advisory
https://security.gentoo.org/glsa/201606-06	Third Party Advisory
https://support.apple.com/kb/HT212818	Third Party Advisory

Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:f5:nginx::::::::
	cpe:2.3:a:f5:nginx::::::::

Configuration 2 (hide)

OR	cpe:2.3:o:canonical:ubuntu_linux:14.04::::esm:::
	cpe:2.3:o:canonical:ubuntu_linux:15.10:::::::*

Configuration 3 (hide)

OR	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:o:opensuse:leap:42.1:::::::*

Configuration 4 (hide)

cpe:2.3:o:opensuse:leap:42.1:*:*:*:*:*:*:*

Configuration 5 (hide)

cpe:2.3:a:apple:xcode:*:*:*:*:*:*:*:*

History

21 Nov 2024, 02:42

Type	Values Removed	Values Added
References	~~() http://lists.opensuse.org/opensuse-updates/2016-02/msg00042.html - Mailing List, Third Party Advisory~~	() http://lists.opensuse.org/opensuse-updates/2016-02/msg00042.html - Mailing List, Third Party Advisory
References	~~() http://mailman.nginx.org/pipermail/nginx/2016-January/049700.html - Vendor Advisory~~	() http://mailman.nginx.org/pipermail/nginx/2016-January/049700.html - Vendor Advisory
References	~~() http://seclists.org/fulldisclosure/2021/Sep/36 - Mailing List, Third Party Advisory~~	() http://seclists.org/fulldisclosure/2021/Sep/36 - Mailing List, Third Party Advisory
References	~~() http://www.debian.org/security/2016/dsa-3473 - Third Party Advisory~~	() http://www.debian.org/security/2016/dsa-3473 - Third Party Advisory
References	~~() http://www.securitytracker.com/id/1034869 - Third Party Advisory, VDB Entry~~	() http://www.securitytracker.com/id/1034869 - Third Party Advisory, VDB Entry
References	~~() http://www.ubuntu.com/usn/USN-2892-1 - Third Party Advisory~~	() http://www.ubuntu.com/usn/USN-2892-1 - Third Party Advisory
References	~~() https://access.redhat.com/errata/RHSA-2016:1425 - Third Party Advisory~~	() https://access.redhat.com/errata/RHSA-2016:1425 - Third Party Advisory
References	~~() https://bto.bluecoat.com/security-advisory/sa115 - Third Party Advisory~~	() https://bto.bluecoat.com/security-advisory/sa115 - Third Party Advisory
References	~~() https://bugzilla.redhat.com/show_bug.cgi?id=1302589 - Issue Tracking, Patch, Third Party Advisory~~	() https://bugzilla.redhat.com/show_bug.cgi?id=1302589 - Issue Tracking, Patch, Third Party Advisory
References	~~() https://security.gentoo.org/glsa/201606-06 - Third Party Advisory~~	() https://security.gentoo.org/glsa/201606-06 - Third Party Advisory
References	~~() https://support.apple.com/kb/HT212818 - Third Party Advisory~~	() https://support.apple.com/kb/HT212818 - Third Party Advisory

Information

Published : 2016-02-15 19:59

Updated : 2025-04-12 10:46

NVD link : CVE-2016-0747

Mitre link : CVE-2016-0747

CVE.ORG link : CVE-2016-0747

JSON object : View

Products Affected

debian

debian_linux

nginx

canonical

ubuntu_linux

apple

xcode

opensuse

leap

CWE

CWE-400

Uncontrolled Resource Consumption

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Party Advisory"], "source": "secalert@redhat.com"}, {"url": "https://bto.bluecoat.com/security-advisory/sa115", "tags": ["Third Party Advisory"], "source": "secalert@redhat.com"}, {"url": "https://bugzilla.redhat.com/show_bug.cgi?id=1302589", "tags": ["Issue Tracking", "Patch", "Third Party Advisory"], "source": "secalert@redhat.com"}, {"url": "https://security.gentoo.org/glsa/201606-06", "tags": ["Third Party Advisory"], "source": "secalert@redhat.com"}, {"url": "https://support.apple.com/kb/HT212818", "tags": ["Third Party Advisory"], "source": "secalert@redhat.com"}, {"url": "http://lists.opensuse.org/opensuse-updates/2016-02/msg00042.html", "tags": ["Mailing List", "Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "http://mailman.nginx.org/pipermail/nginx/2016-January/049700.html", "tags": ["Vendor Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "http://seclists.org/fulldisclosure/2021/Sep/36", "tags": ["Mailing List", "Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "http://www.debian.org/security/2016/dsa-3473", "tags": ["Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "http://www.securitytracker.com/id/1034869", "tags": ["Third Party Advisory", "VDB Entry"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "http://www.ubuntu.com/usn/USN-2892-1", "tags": ["Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://access.redhat.com/errata/RHSA-2016:1425", "tags": ["Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://bto.bluecoat.com/security-advisory/sa115", "tags": ["Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://bugzilla.redhat.com/show_bug.cgi?id=1302589", "tags": ["Issue Tracking", "Patch", "Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://security.gentoo.org/glsa/201606-06", "tags": ["Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://support.apple.com/kb/HT212818", "tags": ["Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}], "vulnStatus": "Deferred", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-400"}]}], "descriptions": [{"lang": "en", "value": "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."}, {"lang": "es", "value": "El traductor de direcciones en nginx en versiones anteriores a 1.8.1 y 1.9.x en versiones anteriores a 1.9.10 no limita correctamente la resoluci\u00f3n CNAME, lo que permite a atacantes remotos provocar una denegaci\u00f3n de servicio (consumo de recursos por el proceso trabajador) a trav\u00e9s de vectores relacionados con la resoluci\u00f3n de nombre arbitrario."}], "lastModified": "2025-04-12T10:46:40.837", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:f5:nginx:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "FB42AA9F-E2F7-471C-AAC1-953469630349", "versionEndExcluding": "1.8.1", "versionStartIncluding": "0.6.18"}, {"criteria": "cpe:2.3:a:f5:nginx:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "E90F693D-8EEF-4222-B562-67629C7C72DF", "versionEndExcluding": "1.9.10", "versionStartIncluding": "1.9.0"}], "operator": "OR"}]}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:esm:*:*:*", "vulnerable": true, "matchCriteriaId": "815D70A8-47D3-459C-A32C-9FEACA0659D1"}, {"criteria": "cpe:2.3:o:canonical:ubuntu_linux:15.10:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "E88A537F-F4D0-46B9-9E37-965233C2A355"}], "operator": "OR"}]}, {"nodes": 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5.3 /10

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact LOW

Scope UNCHANGED

5.0 /10

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact PARTIAL

JSON object

Attach tags to CVE-2016-0747

5.3^/10

5.0^/10

Attach tags to `CVE-2016-0747`