medium5.3
CVE-2017-15105
A flaw was found in the way unbound before 1.6.8 validated wildcard-synthesized NSEC records.
Impact
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.
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Nlnetlabs | Unbound | before 1.6.8 |
| Debian | Debian Linux | Versions 7.0, 8.0 |
| Canonical | Ubuntu Linux | Versions 14.04, 16.04, 17.10, 18.04 |
Weakness classification
References
- NVD record
- CVE.org record
- http://www.securityfocus.com/bid/102817
- https://lists.debian.org/debian-lts-announce/2018/01/msg00039.html
- https://lists.debian.org/debian-lts-announce/2019/02/msg00022.html
- https://unbound.net/downloads/CVE-2017-15105.txt
- https://usn.ubuntu.com/3673-1/
- http://www.securityfocus.com/bid/102817
- https://lists.debian.org/debian-lts-announce/2018/01/msg00039.html
- https://lists.debian.org/debian-lts-announce/2019/02/msg00022.html
- https://unbound.net/downloads/CVE-2017-15105.txt
- https://usn.ubuntu.com/3673-1/