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.
CVSS Details
- CVSS 3.1 Base Score: 9.1
Covered by Rapid7
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Debian | — | Upgrade unbound | Jul 30, 2024 | Oct 13, 2009 |
| Suse | — | Upgrade unbound-develUpgrade unbound | Feb 17, 2015 | Oct 13, 2009 |
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