CVE-2009-3602
High
Description
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.
SeverityHigh
CVSS7.5
Exploit probability—
ProductNlnetlabs Unbound
PublishedOct 13, 2009
First seenOct 13, 2009
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| nlnetlabs unbound | v ≤ 1.3.3, 0.0, 0.1, 0.2, 0.3, 0.4, 0.5, 0.6, 0.7, 0.7.1, 0.7.2, 0.8, 0.09, 0.10, 0.11, 1.0.0, 1.0.1, 1.0.2, 1.1.0, 1.1.1, 1.2.0, 1.2.1, 1.3.0, 1.3.1, 1.3.2 | — |
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