If named is configured to use Response Policy Zones (RPZ) an error processing some rule types can lead to a condition where BIND will endlessly loop while handling a query. Affects BIND 9.9.10, 9.10.5, 9.11.0->9.11.1, 9.9.10-S1, 9.10.5-S1.
Advisories

No advisories yet.

Fixes

Solution

Upgrade to the patched release most closely related to your current version of BIND. These can all be downloaded from http://www.isc.org/downloads. BIND 9 version 9.9.10-P1 BIND 9 version 9.10.5-P1 BIND 9 version 9.11.1-P1 BIND Supported Preview Edition is a special feature preview branch of BIND provided to eligible ISC support customers. BIND 9 version 9.9.10-S2 BIND 9 version 9.10.5-S2


Workaround

Only the NSDNAME and NSIP RPZ rule types can cause this condition to occur. You can work around this vulnerability if you are able to express your desired policy while avoiding NSDNAME or NSIP rules, otherwise it is advised that you upgrade to a version which corrects the defect.

History

Tue, 17 Sep 2024 04:15:00 +0000

Type Values Removed Values Added
Title An error processing RPZ rules can cause named to loop endlessly after handling a query An error processing RPZ rules can cause named to loop endlessly after handling a query

cve-icon MITRE

Status: PUBLISHED

Assigner: isc

Published:

Updated: 2024-09-17T04:10:30.985Z

Reserved: 2016-12-02T00:00:00

Link: CVE-2017-3140

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Modified

Published: 2019-01-16T20:29:00.457

Modified: 2024-11-21T03:24:55.003

Link: CVE-2017-3140

cve-icon Redhat

Severity : Moderate

Publid Date: 2017-06-14T00:00:00Z

Links: CVE-2017-3140 - Bugzilla

cve-icon OpenCVE Enrichment

No data.