#VU7091 Improper input validation in ISC BIND - CVE-2017-3140
Published: June 15, 2017 / Updated: June 15, 2017
Vulnerability identifier: #VU7091
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-2017-3140
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
ISC BIND
ISC BIND
Software vendor:
ISC
ISC
Description
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to an error when processing Response Policy Zones (RPZ) rules, when NSDNAME or NSIP policy rules are used. A remote attacker can trigger the affected server to enter an endless loop and repeatedly query a set of authoritative nameservers.
Successful exploitation of the vulnerability may allow an attacker to perform a denial of service attack.
Remediation
Update to version 9.9.10-P1, 9.10.5-P1 or 9.11.1-P1.