CVE-2016-6170

MEDIUM

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

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

http://www.securityfocus.com/bid/91611

http://www.securitytracker.com/id/1036241

https://bugzilla.redhat.com/show_bug.cgi?id=1353563

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

https://kb.isc.org/article/AA-01390

https://kb.isc.org/article/AA-01390/169/CVE-2016-6170

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

https://lists.dns-oarc.net/pipermail/dns-operations/2016-July/015073.html

https://lists.dns-oarc.net/pipermail/dns-operations/2016-July/015075.html

https://security.gentoo.org/glsa/201610-07

Details

Source: MITRE

Published: 2016-07-06

Updated: 2017-07-01

Type: CWE-20

Risk Information

CVSS v2.0

Base Score: 4

Vector: AV:N/AC:L/Au:S/C:N/I:N/A:P

Impact Score: 2.9

Exploitability Score: 8

Severity: MEDIUM

CVSS v3.0

Base Score: 6.5

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

Impact Score: 3.6

Exploitability Score: 2.8

Severity: MEDIUM