#VU4351 Improper input validation in ISC BIND - CVE-2016-9778

 

#VU4351 Improper input validation in ISC BIND - CVE-2016-9778

Published: January 12, 2017 / Updated: January 12, 2017


Vulnerability identifier: #VU4351
Vulnerability risk: Medium
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2016-9778
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vulnerable software:
ISC BIND
Software vendor:
ISC

Description

The vulnerability allows a remote attacker to cause denial of service conditions.

The vulnerability exists due to assertion failure when processing input data. A remote attacker can send a specially crafted query to the target system that uses the nxdomain-redirect feature to cover a zone for which it provides authoritative service, trigger assertion failure and cause denial of service.

Successful exploitation of the vulnerability will result in DoS attack against vulnerable application.



Remediation

The vendor has issued the following versions to address this vulnerability: 9.11.0-P2 or 9.9.9-S7.

External links