Vulnerability 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.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Nlnetlabs | Unbound | < 1.6.8 |
| Debian | Debian Linux | 7.0 |
| Canonical | Ubuntu Linux | 14.04 |
Related Weaknesses (CWE)
References
- http://www.securityfocus.com/bid/102817Third Party AdvisoryVDB Entry
- https://lists.debian.org/debian-lts-announce/2018/01/msg00039.htmlMailing ListThird Party Advisory
- https://lists.debian.org/debian-lts-announce/2019/02/msg00022.htmlMailing ListThird Party Advisory
- https://unbound.net/downloads/CVE-2017-15105.txtPatchVendor Advisory
- https://usn.ubuntu.com/3673-1/Third Party Advisory
- http://www.securityfocus.com/bid/102817Third Party AdvisoryVDB Entry
- https://lists.debian.org/debian-lts-announce/2018/01/msg00039.htmlMailing ListThird Party Advisory
- https://lists.debian.org/debian-lts-announce/2019/02/msg00022.htmlMailing ListThird Party Advisory
- https://unbound.net/downloads/CVE-2017-15105.txtPatchVendor Advisory
- https://usn.ubuntu.com/3673-1/Third Party Advisory
FAQ
What is CVE-2017-15105?
CVE-2017-15105 is a vulnerability with a CVSS score of 5.3 (MEDIUM). 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...
How severe is CVE-2017-15105?
CVE-2017-15105 has been rated MEDIUM with a CVSS base score of 5.3/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2017-15105?
Check the references section above for vendor advisories and patch information. Affected products include: Nlnetlabs Unbound, Debian Debian Linux, Canonical Ubuntu Linux.