PT-2016-1594 · Isc+1 · Isc Bind 9+1

Published 2016-02-04 · Updated 2017-09-10 · CVE-2016-1284

Positive Technologies (AI Summary)

CVSS v3.1

5.9

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions ISC BIND 9 Supported Preview Edition versions 9.9.8-S through 9.9.8-S4

Description The issue exists due to insufficient input validation in the DNS server. It can be exploited by a remote attacker to cause a denial of service, resulting in an "Assertion failure" error and termination of the daemon. This can be achieved by sending a specially crafted query with flag values.

Recommendations For ISC BIND 9 Supported Preview Edition versions 9.9.8-S through 9.9.8-S4, update to version 9.9.8-S5 or later to resolve the issue. As a temporary workaround, consider disabling the nxdomain-redirect feature until a patch is available.

Fix

DoS

RCE

Weakness Enumeration

CWE-20

Related Identifiers

BDU:2016-00895

CVE-2016-1284

Affected Products

Bind Server

Isc Bind 9

References · 6

• https://bdu.fstec.ru/vul/2016-00895 · Security Note
• https://osv.dev/vulnerability/CVE-2016-1284 · Vendor Advisory
• https://kb.isc.org/article/AA-01348 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2016-1284 · Security Note
• http://securitytracker.com/id/1034935 · Note
• https://kb.isc.org/article/AA-01438 · Note