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Vulnerability Details : CVE-2016-6171

Knot DNS before 2.3.0 allows remote DNS servers to cause a denial of service (memory exhaustion and slave server crash) via a large zone transfer for (1) DDNS, (2) AXFR, or (3) IXFR.
Publish Date : 2017-02-09 Last Update Date : 2017-02-16
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- CVSS Scores & Vulnerability Types

CVSS Score
5.0
Confidentiality Impact None (There is no impact to the confidentiality of the system.)
Integrity Impact None (There is no impact to the integrity of the system)
Availability Impact Partial (There is reduced performance or interruptions in resource availability.)
Access Complexity Low (Specialized access conditions or extenuating circumstances do not exist. Very little knowledge or skill is required to exploit. )
Authentication Not required (Authentication is not required to exploit the vulnerability.)
Gained Access None
Vulnerability Type(s) Denial Of Service
CWE ID 400

- Products Affected By CVE-2016-6171

# Product Type Vendor Product Version Update Edition Language
1 Application Knot Dns Project Knot Dns 2.2.1 Version Details Vulnerabilities

- Number Of Affected Versions By Product

Vendor Product Vulnerable Versions
Knot Dns Project Knot Dns 1

- References For CVE-2016-6171

http://www.securityfocus.com/bid/91678
BID 91678 Multiple DNS Servers Remote Denial of Service Vulnerability Release Date:2016-07-07
https://github.com/sischkg/xfer-limit/blob/master/README.md
https://gitlab.labs.nic.cz/labs/knot/issues/464 CONFIRM
https://gitlab.labs.nic.cz/labs/knot/blob/c546a70563ef4c7badb7cb5bdf6d1ba8e7adae82/NEWS CONFIRM
http://www.openwall.com/lists/oss-security/2016/07/06/4
MLIST [oss-security] 20160706 Re: Malicious primary DNS servers can crash secondaries
http://www.openwall.com/lists/oss-security/2016/07/06/3
MLIST [oss-security] 20160706 Malicious primary DNS servers can crash secondaries
https://lists.dns-oarc.net/pipermail/dns-operations/2016-July/015058.html
MLIST [dns-operations] 20160704 DNS activities in Japan

- Metasploit Modules Related To CVE-2016-6171

There are not any metasploit modules related to this CVE entry (Please visit www.metasploit.com for more information)


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