Knot Resolver through 5.5.1 may allow DNS cache poisoning when there is an attempt to limit forwarding actions by filters.
Weakness
This attack-focused weakness is caused by incorrectly implemented authentication schemes that are subject to spoofing attacks.
Affected Software
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Knot_resolver | Nic | * | 5.5.1 (including) |
| Knot-resolver | Ubuntu | bionic | * |
| Knot-resolver | Ubuntu | devel | * |
| Knot-resolver | Ubuntu | esm-apps/bionic | * |
| Knot-resolver | Ubuntu | esm-apps/focal | * |
| Knot-resolver | Ubuntu | esm-apps/jammy | * |
| Knot-resolver | Ubuntu | esm-apps/noble | * |
| Knot-resolver | Ubuntu | esm-apps/xenial | * |
| Knot-resolver | Ubuntu | focal | * |
| Knot-resolver | Ubuntu | impish | * |
| Knot-resolver | Ubuntu | jammy | * |
| Knot-resolver | Ubuntu | kinetic | * |
| Knot-resolver | Ubuntu | lunar | * |
| Knot-resolver | Ubuntu | mantic | * |
| Knot-resolver | Ubuntu | noble | * |
| Knot-resolver | Ubuntu | oracular | * |
| Knot-resolver | Ubuntu | plucky | * |
| Knot-resolver | Ubuntu | questing | * |
| Knot-resolver | Ubuntu | upstream | * |
Related Attack Patterns
- https://cwe.mitre.org/data/definitions/21.html
- https://cwe.mitre.org/data/definitions/22.html
- https://cwe.mitre.org/data/definitions/459.html
- https://cwe.mitre.org/data/definitions/461.html
- https://cwe.mitre.org/data/definitions/473.html
- https://cwe.mitre.org/data/definitions/476.html
- https://cwe.mitre.org/data/definitions/59.html
- https://cwe.mitre.org/data/definitions/60.html
- https://cwe.mitre.org/data/definitions/667.html
- https://cwe.mitre.org/data/definitions/94.html
References
- https://github.com/CZ-NIC/knot-resolver/commit/ccb9d9794db5eb757c33becf65cb1cf48ecfd968
- https://knot-resolver.readthedocs.io/en/stable/modules-policy.html#forwarding
- https://github.com/CZ-NIC/knot-resolver/commit/ccb9d9794db5eb757c33becf65cb1cf48ecfd968
- https://knot-resolver.readthedocs.io/en/stable/modules-policy.html#forwarding