CVE-2016-6173

7.5 HIGH

Published: February 09, 2017 Modified: May 13, 2026

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.

AI Explanation

Get an AI-powered plain-language explanation of this vulnerability and remediation steps.

CVSS v3.x Details

0.0 Low Medium High Critical 10.0

Vector String

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory

http://www.nlnetlabs.nl/svn/nsd/tags/NSD_4_1_11_REL/doc/RELNOTES

Source: secalert@redhat.com

Release Notes Vendor Advisory

http://www.openwall.com/lists/oss-security/2016/07/06/3

Source: secalert@redhat.com

Mailing List Third Party Advisory

http://www.openwall.com/lists/oss-security/2016/07/06/4

Source: secalert@redhat.com

Mailing List Third Party Advisory

http://www.securityfocus.com/bid/91678

Source: secalert@redhat.com

Third Party Advisory VDB Entry

https://github.com/sischkg/xfer-limit/blob/master/README.md

Source: secalert@redhat.com

Third Party Advisory

https://lists.dns-oarc.net/pipermail/dns-operations/2016-July/015058.html

Source: secalert@redhat.com

Third Party Advisory

https://open.nlnetlabs.nl/pipermail/nsd-users/2016-August/002342.html

Source: secalert@redhat.com

Release Notes Vendor Advisory

https://www.nlnetlabs.nl/bugs-script/show_bug.cgi?id=790

Source: secalert@redhat.com

Issue Tracking

http://www.nlnetlabs.nl/svn/nsd/tags/NSD_4_1_11_REL/doc/RELNOTES