CVE-2016-6170

MEDIUM

ISC BIND <9.11.0b1 - DoS

Title source: llm

Description

ISC BIND through 9.9.9-P1, 9.10.x through 9.10.4-P1, and 9.11.x through 9.11.0b1 allows primary DNS servers to cause a denial of service (secondary DNS server crash) via a large AXFR response, and possibly allows IXFR servers to cause a denial of service (IXFR client crash) via a large IXFR response and allows remote authenticated users to cause a denial of service (primary DNS server crash) via a large UPDATE message.

References (11)

[Mailing List, Third Party Advisory] http://www.openwall.com/lists/oss-security/2016/07/06/3

[Third Party Advisory, VDB Entry] http://www.securityfocus.com/bid/91611

[Third Party Advisory, VDB Entry] http://www.securitytracker.com/id/1036241

[Issue Tracking, Patch, Third Party Advisory] https://bugzilla.redhat.com/show_bug.cgi?id=1353563

[Exploit, Patch, Third Party Advisory] https://github.com/sischkg/xfer-limit/blob/master/README.md

View Exploit ZIP pw:eip

[Vendor Advisory] https://kb.isc.org/article/AA-01390

[Vendor Advisory] https://kb.isc.org/article/AA-01390/169/CVE-2016-6170

[Mailing List, Third Party Advisory] https://lists.dns-oarc.net/pipermail/dns-operations/2016-July/015058.html

[Mailing List, Third Party Advisory] https://lists.dns-oarc.net/pipermail/dns-operations/2016-July/015073.html

[Mailing List, Third Party Advisory] https://lists.dns-oarc.net/pipermail/dns-operations/2016-July/015075.html

[Third Party Advisory] https://security.gentoo.org/glsa/201610-07

Scores

CVSS v3 6.5

EPSS 0.1302

EPSS Percentile 94.0%

Attack Vector NETWORK

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Classification

CWE

CWE-20

Status draft

Affected Products (14)

isc/bind < 9.9.8

isc/bind

isc/bind

isc/bind

isc/bind

isc/bind

isc/bind

isc/bind

isc/bind

isc/bind

isc/bind

redhat/enterprise_linux

redhat/enterprise_linux

redhat/enterprise_linux

Timeline

Published Jul 06, 2016

Tracked Since Feb 18, 2026