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CVE-2016-6170

Published: 6 July 2016

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.

Priority

Low

Cvss 3 Severity Score

6.5

Score breakdown

Status

Package Release Status
bind9
Launchpad, Ubuntu, Debian
artful Ignored
(reached end-of-life)
bionic Not vulnerable
(1:9.11.2.P1-1ubuntu3)
cosmic Not vulnerable
(1:9.11.2.P1-1ubuntu3)
disco Not vulnerable
(1:9.11.2.P1-1ubuntu3)
eoan Not vulnerable
(1:9.11.2.P1-1ubuntu3)
focal Not vulnerable
(1:9.11.2.P1-1ubuntu3)
groovy Not vulnerable
(1:9.11.2.P1-1ubuntu3)
hirsute Not vulnerable
(1:9.11.2.P1-1ubuntu3)
impish Not vulnerable
(1:9.11.2.P1-1ubuntu3)
jammy Not vulnerable
(1:9.11.2.P1-1ubuntu3)
kinetic Not vulnerable
(1:9.11.2.P1-1ubuntu3)
precise Ignored
(end of ESM support, was needed)
trusty Ignored
(change too intrusive)
upstream Needs triage

wily Ignored
(reached end-of-life)
xenial
Released (1:9.10.3.dfsg.P4-8ubuntu1.19+esm5)
yakkety Ignored
(reached end-of-life)
zesty Ignored
(reached end-of-life)
Patches:
upstrem: https://gitlab.isc.org/isc-projects/bind9/-/commit/5f8412a4cb5ee14a0e8cddd4107854b40ee3291e
other: https://github.com/sischkg/xfer-limit/blob/master/bind-9.10.3-xfer-limit-0.0.1.patch
other: https://github.com/sischkg/xfer-limit/blob/master/bind-9.9.9-P1-xfer-limit-0.0.1.patch

Severity score breakdown

Parameter Value
Base score 6.5
Attack vector Network
Attack complexity Low
Privileges required Low
User interaction None
Scope Unchanged
Confidentiality None
Integrity impact None
Availability impact High
Vector CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H