CVE-2016-6173

high

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.

References

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

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

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

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

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

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

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

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

Details

Source: Mitre, NVD

Published: 2017-02-09

Updated: 2017-02-24

Risk Information

CVSS v2

Base Score: 7.8

Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:C

Severity: High

CVSS v3

Base Score: 7.5

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