Public Date:
1461302: CVE-2017-3140 bind: Error processing RPZ rules leads to endless loop while handling query
A denial of service flaw was found in the way BIND handled processing of NSDNAME and NSIP rules. A remote attacker could use this flaw to make named enter an infinite loop by sending a specially crafted query, thus resulting in denial-of-service.

Find out more about CVE-2017-3140 from the MITRE CVE dictionary dictionary and NIST NVD.


This issue did not affect the versions of BIND as shipped with Red Hat Enterprise Linux 5, 6 and 7.

CVSS v3 metrics

NOTE: The following CVSS v3 metrics and score provided are preliminary and subject to review.

CVSS3 Base Score 3.7
CVSS3 Base Metrics CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L
Attack Vector Network
Attack Complexity High
Privileges Required None
User Interaction None
Scope Unchanged
Confidentiality None
Integrity Impact None
Availability Impact Low

Affected Packages State

Platform Package State
Red Hat Enterprise Linux 7 bind Not affected
Red Hat Enterprise Linux 6 bind Not affected
Red Hat Enterprise Linux 5 bind97 Not affected
Red Hat Enterprise Linux 5 bind Not affected
Unless explicitly stated as not affected, all previous versions of packages in any minor update stream of a product listed here should be assumed vulnerable, although may not have been subject to full analysis.


Red Hat would like to thank Internet Systems Consortium for reporting this issue. Upstream acknowledges Oli Schacher (Switch) as the original reporter.
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