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.
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Unbound | Nlnetlabs | * | 1.3.3 (including) |
| Unbound | Nlnetlabs | 0.0 (including) | 0.0 (including) |
| Unbound | Nlnetlabs | 0.1 (including) | 0.1 (including) |
| Unbound | Nlnetlabs | 0.2 (including) | 0.2 (including) |
| Unbound | Nlnetlabs | 0.3 (including) | 0.3 (including) |
| Unbound | Nlnetlabs | 0.4 (including) | 0.4 (including) |
| Unbound | Nlnetlabs | 0.5 (including) | 0.5 (including) |
| Unbound | Nlnetlabs | 0.6 (including) | 0.6 (including) |
| Unbound | Nlnetlabs | 0.7 (including) | 0.7 (including) |
| Unbound | Nlnetlabs | 0.7.1 (including) | 0.7.1 (including) |
| Unbound | Nlnetlabs | 0.7.2 (including) | 0.7.2 (including) |
| Unbound | Nlnetlabs | 0.8 (including) | 0.8 (including) |
| Unbound | Nlnetlabs | 0.09 (including) | 0.09 (including) |
| Unbound | Nlnetlabs | 0.10 (including) | 0.10 (including) |
| Unbound | Nlnetlabs | 0.11 (including) | 0.11 (including) |
| Unbound | Nlnetlabs | 1.0.0 (including) | 1.0.0 (including) |
| Unbound | Nlnetlabs | 1.0.1 (including) | 1.0.1 (including) |
| Unbound | Nlnetlabs | 1.0.2 (including) | 1.0.2 (including) |
| Unbound | Nlnetlabs | 1.1.0 (including) | 1.1.0 (including) |
| Unbound | Nlnetlabs | 1.1.1 (including) | 1.1.1 (including) |
| Unbound | Nlnetlabs | 1.2.0 (including) | 1.2.0 (including) |
| Unbound | Nlnetlabs | 1.2.1 (including) | 1.2.1 (including) |
| Unbound | Nlnetlabs | 1.3.0 (including) | 1.3.0 (including) |
| Unbound | Nlnetlabs | 1.3.1 (including) | 1.3.1 (including) |
| Unbound | Nlnetlabs | 1.3.2 (including) | 1.3.2 (including) |
| Unbound | Ubuntu | intrepid | * |
| Unbound | Ubuntu | jaunty | * |
| Unbound | Ubuntu | upstream | * |