CVE-2017-15105

CVSS V2 Medium 5 CVSS V3 Medium 5.3
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.
Overview
  • CVE ID
  • CVE-2017-15105
  • Assigner
  • secalert@redhat.com
  • Vulnerability Status
  • Modified
  • Published Version
  • 2018-01-23T16:29:00
  • Last Modified Date
  • 2019-10-09T23:24:13
Weakness Enumerations
CWE URL
CWE-20 http://cwe.mitre.org/data/definitions/20.html
CPE Configuration (Product)
CPE Vulnerable Operator Version Start Version End
cpe:2.3:a:nlnetlabs:unbound:*:*:*:*:*:*:*:* 1 OR 1.6.8
cpe:2.3:o:debian:debian_linux:7.0:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:* 1 OR
cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:* 1 OR
cpe:2.3:o:canonical:ubuntu_linux:17.10:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:* 1 OR
CVSS Version 2
  • Version
  • 2.0
  • Vector String
  • AV:N/AC:L/Au:N/C:N/I:P/A:N
  • Access Vector
  • NETWORK
  • Access Compatibility
  • LOW
  • Authentication
  • NONE
  • Confidentiality Impact
  • NONE
  • Integrity Impact
  • PARTIAL
  • Availability Impact
  • NONE
  • Base Score
  • 5
  • Severity
  • MEDIUM
  • Exploitability Score
  • 10
  • Impact Score
  • 2.9
CVSS Version 3
  • Version
  • 3.0
  • Vector String
  • CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
  • Attack Vector
  • NETWORK
  • Attack Compatibility
  • LOW
  • Privileges Required
  • NONE
  • User Interaction
  • NONE
  • Scope
  • UNCHANGED
  • Confidentiality Impact
  • NONE
  • Availability Impact
  • NONE
  • Base Score
  • 5.3
  • Base Severity
  • MEDIUM
  • Exploitability Score
  • 3.9
  • Impact Score
  • 1.4
References
Reference URL Reference Tags
https://unbound.net/downloads/CVE-2017-15105.txt Patch Vendor 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://usn.ubuntu.com/3673-1/ Third Party Advisory
https://lists.debian.org/debian-lts-announce/2019/02/msg00022.html Mailing List Third Party Advisory
Sources
Source Name Source URL
NIST https://nvd.nist.gov/vuln/detail/CVE-2017-15105
MITRE https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-15105
History
Created Old Value New Value Data Type Notes
2022-05-10 17:11:18 Added to TrackCVE
2022-12-03 01:24:50 2018-01-23T16:29Z 2018-01-23T16:29:00 CVE Published Date updated
2022-12-03 01:24:50 2019-10-09T23:24:13 CVE Modified Date updated
2022-12-03 01:24:50 Modified Vulnerability Status updated