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.
Metrics
Affected Vendors & Products
Advisories
Source | ID | Title |
---|---|---|
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DSA-1963-1 | New unbound packages fix DNSSEC validation |
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EUVD-2009-3583 | 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. |
Fixes
Solution
No solution given by the vendor.
Workaround
No workaround given by the vendor.
References
History
No history.

Status: PUBLISHED
Assigner: redhat
Published:
Updated: 2024-08-07T06:31:10.455Z
Reserved: 2009-10-09T00:00:00
Link: CVE-2009-3602

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Status : Deferred
Published: 2009-10-13T10:30:00.657
Modified: 2025-04-09T00:30:58.490
Link: CVE-2009-3602

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