CVE-2017-3140: An error processing RPZ rules can cause named to loop endlessly after handling a query

Severity: medium (CVSS 5.9 v3.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 12.2% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2019-01-16 · updated 2026-06-17
Weakness: CWE-400

Description

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.

Affected products

ISC BIND: from 9.11.0 through 9.11.1; 9.9.10, 9.9.10-s1, 9.10.5, 9.10.5-s1
NetApp Data Ontap Edge: all versions
NetApp Element Software: all versions
NetApp Oncommand Balance: all versions

References

http://www.securityfocus.com/bid/99088
http://www.securitytracker.com/id/1038692
https://h20566.www2.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbux03772en_us
https://kb.isc.org/docs/aa-01495
https://security.gentoo.org/glsa/201708-01
https://security.netapp.com/advisory/ntap-20180926-0001/
http://www.securityfocus.com/bid/99088
http://www.securitytracker.com/id/1038692
https://h20566.www2.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbux03772en_us
https://kb.isc.org/docs/aa-01495
https://security.gentoo.org/glsa/201708-01
https://security.netapp.com/advisory/ntap-20180926-0001/

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