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CVE-2017-15105 Details

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.

Metrics

CVSS 3.x Severity and Vector Strings:

NIST: [email protected]CVSS-B:5.3 MEDIUMVector:CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N

References to Advisories, Solutions, and Tools

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URLSource(s)Tag(s)
https://lists.debian.org/debian-lts-announce/2018/01/msg00039.html CVEMailing ListThird Party Advisory
https://lists.debian.org/debian-lts-announce/2019/02/msg00022.html CVEMailing ListThird Party Advisory
https://unbound.net/downloads/CVE-2017-15105.txt CVEPatchVendor Advisory
https://usn.ubuntu.com/3673-1/ CVEThird Party Advisory
http://www.securityfocus.com/bid/102817 CVEThird Party AdvisoryVDB Entry

see all 10 references

Weakness Enumeration

CWE-IDCWE NameSource
CWE-20Improper Input Validation[email protected]
CWE-358Improperly Implemented Security Check for Standard[email protected]

Affected Products

ProductVersions
nlnetlabs unbound
< 1.6.8

CPE

  • cpe:2.3:a:nlnetlabs:unbound:*:*:*:*:*:*:*:*

Remediation

  • No remediation found in references.
debian debian linux
7.0
8.0

CPE

  • cpe:2.3:o:debian:debian_linux:7.0:*:*:*:*:*:*:*
  • cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*

Remediation

  • No remediation found in references.
canonical ubuntu linux
14.04
16.04
17.10
18.04

CPE

  • cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:*
  • cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*
  • cpe:2.3:o:canonical:ubuntu_linux:17.10:*:*:*:*:*:*:*
  • cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*

Remediation

  • No remediation found in references.

Change History

10 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2017-15105
NVD Published Date:
Jan 23, 2018
NVD Last Modified:
Jun 17, 2026
Source:
[email protected]