NetSight
high7.5

CVE-2009-3602

Unbound before 1.3.4 does not properly verify signatures for NSEC3 records, which allows remote attackers to cause secure delegations to be downgraded via DNS …

Impact

Unbound before 1.3.4 does not properly verify signatures for NSEC3 records, which allows remote attackers to cause secure delegations to be downgraded via DNS spoofing or other DNS-related attacks in conjunction with crafted delegation responses.

Affected products

VendorProductAffected versions
NlnetlabsUnbound
through 1.3.3
Versions 0.0, 0.1, 0.2, 0.3, 0.4

Weakness classification

References