CVEvulnerability
CVE-2017-15105
5.3 MEDIUM
Official page ↗
- Status
- Modified
- Published
- 2018-01-23
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.0 ([email protected])
- 5.3 MEDIUM — CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
- CVSS 2.0 ([email protected])
- 5.0 MEDIUM — AV:N/AC:L/Au:N/C:N/I:P/A:N
- Weaknesses
- CWE-20, CWE-358
Description
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 configurations
• nlnetlabs unbound (< 1.6.8)
• debian debian linux 7.0
• debian debian linux 8.0
• canonical ubuntu linux 14.04
• canonical ubuntu linux 16.04
• canonical ubuntu linux 17.10
• canonical ubuntu linux 18.04
Related
References
- http://www.securityfocus.com/bid/102817 Third Party Advisory, VDB Entry
- https://lists.debian.org/debian-lts-announce/2018/01/msg00039.html Mailing List, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2019/02/msg00022.html Mailing List, Third Party Advisory
- https://unbound.net/downloads/CVE-2017-15105.txt Patch, Vendor Advisory
- https://usn.ubuntu.com/3673-1/ Third Party Advisory
- http://www.securityfocus.com/bid/102817 Third Party Advisory, VDB Entry
- https://lists.debian.org/debian-lts-announce/2018/01/msg00039.html Mailing List, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2019/02/msg00022.html Mailing List, Third Party Advisory
- https://unbound.net/downloads/CVE-2017-15105.txt Patch, Vendor Advisory
- https://usn.ubuntu.com/3673-1/ Third Party Advisory