National Vulnerability Database

National Vulnerability Database

National Vulnerability
Database

CVE-2016-0747 Detail

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.

Source:  MITRE      Last Modified:  02/15/2016

Quick Info

CVE Dictionary Entry:
CVE-2016-0747
Original release date:
02/15/2016
Last revised:
01/04/2018
Source:
US-CERT/NIST

Impact

CVSS Severity (version 3.0):
CVSS v3 Base Score:
5.3 Medium
Vector:
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L (legend)
Impact Score:
1.4
Exploitability Score:
3.9
CVSS Version 3 Metrics:
Attack Vector (AV):
Network
Attack Complexity (AC):
Low
Privileges Required (PR):
None
User Interaction (UI):
None
Scope (S):
Unchanged
Confidentiality (C):
None
Integrity (I):
None
Availability (A):
Low
CVSS Severity (version 2.0):
CVSS v2 Base Score:
5.0 MEDIUM
Vector:
(AV:N/AC:L/Au:N/C:N/I:N/A:P) (legend)
Impact Subscore:
2.9
Exploitability Subscore:
10.0
CVSS Version 2 Metrics:
Access Vector:
Network exploitable
Access Complexity:
Low
Authentication:
Not required to exploit
Impact Type:
Allows disruption of service

References to Advisories, Solutions, and Tools

By selecting these links, you will be leaving NIST webspace. We have provided these links to other web sites because they may have information that would be of interest to you. No inferences should be drawn on account of other sites being referenced, or not, from this page. There may be other web sites that are more appropriate for your purpose. NIST does not necessarily endorse the views expressed, or concur with the facts presented on these sites. Further, NIST does not endorse any commercial products that may be mentioned on these sites. Please address comments about this page to nvd@nist.gov.

Hyperlink Resource Type Source Name
http://lists.opensuse.org/opensuse-updates/2016-02/msg00042.html External Source SUSE openSUSE-SU-2016:0371
http://mailman.nginx.org/pipermail/nginx/2016-January/049700.html Vendor Advisory External Source MLIST [nginx] 20160126 nginx security advisory (CVE-2016-0742, CVE-2016-0746, CVE-2016-0747)
http://www.debian.org/security/2016/dsa-3473 External Source DEBIAN DSA-3473
http://www.securitytracker.com/id/1034869 External Source SECTRACK 1034869
http://www.ubuntu.com/usn/USN-2892-1 External Source UBUNTU USN-2892-1
https://access.redhat.com/errata/RHSA-2016:1425 External Source REDHAT RHSA-2016:1425
https://bto.bluecoat.com/security-advisory/sa115 External Source CONFIRM https://bto.bluecoat.com/security-advisory/sa115
https://bugzilla.redhat.com/show_bug.cgi?id=1302589 External Source CONFIRM https://bugzilla.redhat.com/show_bug.cgi?id=1302589
https://security.gentoo.org/glsa/201606-06 External Source GENTOO GLSA-201606-06

Technical Details

Vulnerability Type (View All)

  • Resource Management Errors (CWE-399)

Change History 6 change records found - show changes