
Find real vulnerabilities before they ship
A flaw was found in the way unbound before 1.6.8 validated wildcard-synthesized NSEC records. An improperly validated wildcard NSEC record could be used to prove the non-existence (NXDOMAIN answer) of an existing wildcard record, or trick unbound into accepting a NODATA proof.
Base Score
5.3| Base Score | 5.3 |
|---|---|
| Vector String | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N |
| Base Severity | Medium |
| Version | 3.0 |
| Attack Vector (AV) | NETWORK |