ISC.BIND.RRSIG.Query.RPZ.DoS

description-logoDescription

This indicates an attack attempt against a Denial of Service vulnerability in ISC BIND.
The vulnerability is caused by an assertion failure when processing "RRSIG" queries, if Response Policy Zones (RPZ) are configured to force a specific "RRSet" for some name. A remote attacker can exploit this vulnerability by sending "RRSIG" requests to the vulnerable server.

affected-products-logoAffected Products

ISC BIND 9.8.0

Impact logoImpact

Denial of Service: Remote attackers can crash vulnerable systems.

recomended-action-logoRecommended Actions

Refer to the vendor's website for a suggested workaround.
https://www.isc.org/CVE-2011-1907

Telemetry logoTelemetry

Coverage

IPS (Regular DB)
IPS (Extended DB)