7.5
HIGH
CVE-2016-6173
NSD DNS Server Denial of Service Buffer Overflow
Description

NSD before 4.1.11 allows remote DNS master servers to cause a denial of service (/tmp disk consumption and slave server crash) via a zone transfer with unlimited data.

INFO

Published Date :

Feb. 9, 2017, 3:59 p.m.

Last Modified :

Feb. 24, 2017, 9:14 p.m.

Remotely Exploitable :

Yes !

Impact Score :

3.6

Exploitability Score :

3.9
Affected Products

The following products are affected by CVE-2016-6173 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Nlnetlabs nsd
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2016-6173.

URL Resource
http://www.nlnetlabs.nl/svn/nsd/tags/NSD_4_1_11_REL/doc/RELNOTES Release Notes Vendor Advisory
http://www.openwall.com/lists/oss-security/2016/07/06/3 Mailing List Third Party Advisory
http://www.openwall.com/lists/oss-security/2016/07/06/4 Mailing List Third Party Advisory
http://www.securityfocus.com/bid/91678 Third Party Advisory VDB Entry
https://github.com/sischkg/xfer-limit/blob/master/README.md Third Party Advisory
https://lists.dns-oarc.net/pipermail/dns-operations/2016-July/015058.html Third Party Advisory
https://open.nlnetlabs.nl/pipermail/nsd-users/2016-August/002342.html Release Notes Vendor Advisory
https://www.nlnetlabs.nl/bugs-script/show_bug.cgi?id=790 Issue Tracking

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2016-6173 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2016-6173 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • Initial Analysis by [email protected]

    Feb. 24, 2017

    Action Type Old Value New Value
    Added CVSS V2 (AV:N/AC:L/Au:N/C:N/I:N/A:C)
    Added CVSS V3 AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
    Changed Reference Type http://www.securityfocus.com/bid/91678 No Types Assigned http://www.securityfocus.com/bid/91678 Third Party Advisory, VDB Entry
    Changed Reference Type http://www.nlnetlabs.nl/svn/nsd/tags/NSD_4_1_11_REL/doc/RELNOTES No Types Assigned http://www.nlnetlabs.nl/svn/nsd/tags/NSD_4_1_11_REL/doc/RELNOTES Release Notes, Vendor Advisory
    Changed Reference Type https://open.nlnetlabs.nl/pipermail/nsd-users/2016-August/002342.html No Types Assigned https://open.nlnetlabs.nl/pipermail/nsd-users/2016-August/002342.html Release Notes, Vendor Advisory
    Changed Reference Type https://www.nlnetlabs.nl/bugs-script/show_bug.cgi?id=790 No Types Assigned https://www.nlnetlabs.nl/bugs-script/show_bug.cgi?id=790 Issue Tracking
    Changed Reference Type http://www.openwall.com/lists/oss-security/2016/07/06/4 No Types Assigned http://www.openwall.com/lists/oss-security/2016/07/06/4 Third Party Advisory, Mailing List
    Changed Reference Type http://www.openwall.com/lists/oss-security/2016/07/06/3 No Types Assigned http://www.openwall.com/lists/oss-security/2016/07/06/3 Third Party Advisory, Mailing List
    Changed Reference Type https://github.com/sischkg/xfer-limit/blob/master/README.md No Types Assigned https://github.com/sischkg/xfer-limit/blob/master/README.md Third Party Advisory
    Changed Reference Type https://lists.dns-oarc.net/pipermail/dns-operations/2016-July/015058.html No Types Assigned https://lists.dns-oarc.net/pipermail/dns-operations/2016-July/015058.html Third Party Advisory
    Added CWE CWE-399
    Added CPE Configuration OR *cpe:2.3:a:nlnetlabs:nsd:4.1.10:*:*:*:*:*:*:* (and previous)
  • CVE Modified by [email protected]

    Feb. 11, 2017

    Action Type Old Value New Value
    Added Reference http://www.securityfocus.com/bid/91678 [No Types Assigned]
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2016-6173 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2016-6173 weaknesses.

Exploit Prediction

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.

1.73 }} 0.10%

score

0.86541

percentile

CVSS30 - Vulnerability Scoring System
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability