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MEDIUM

BIND DNSSEC NSEC/NSEC3 validation code could cause bogus NXDOMAIN responses

Published Jan 22, 2010

Description

ISC BIND 9.0.x through 9.3.x, 9.4 before 9.4.3-P5, 9.5 before 9.5.2-P2, 9.6 before 9.6.1-P3, and 9.7.0 beta does not properly validate DNSSEC (1) NSEC and (2) NSEC3 records, which allows remote attackers to add the Authenticated Data (AD) flag to a forged NXDOMAIN response for an existing domain.

Affected products

Remediation

No remediation recorded yet.

Metrics

References (39)

Change history (0)

No recorded changes yet.

Sources
CVE.org / MITRE
Status PUBLISHED
Assigner certcc
Published Jan 22, 2010
Updated Aug 7, 2024
Reserved Dec 30, 2009
NVD
Status Modified
Modified Jun 16, 2026
Red Hat
Severity Moderate
Public date Jan 19, 2010