National Vulnerability Database

National Vulnerability Database

National Vulnerability
Database

CVE-2017-15105 Detail

Current 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.

Source:  MITRE      Last Modified:  01/23/2018      View Analysis Description

Quick Info

CVE Dictionary Entry:
CVE-2017-15105
Original release date:
01/23/2018
Last revised:
02/13/2018
Source:
US-CERT/NIST

Impact

CVSS Severity (version 3.0):
CVSS v3 Base Score:
5.3 Medium
Vector:
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N (legend)
Impact Score:
1.4
Exploitability Score:
3.9
CVSS Version 3 Metrics:
Attack Vector (AV):
Network
Attack Complexity (AC):
Low
Privileges Required (PR):
None
User Interaction (UI):
None
Scope (S):
Unchanged
Confidentiality (C):
None
Integrity (I):
Low
Availability (A):
None
CVSS Severity (version 2.0):
CVSS v2 Base Score:
5.0 MEDIUM
Vector:
(AV:N/AC:L/Au:N/C:N/I:P/A:N) (legend)
Impact Subscore:
2.9
Exploitability Subscore:
10.0
CVSS Version 2 Metrics:
Access Vector:
Network exploitable
Access Complexity:
Low
Authentication:
Not required to exploit
Impact Type:
Allows unauthorized modification

References to Advisories, Solutions, and Tools

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Hyperlink Resource Type Source Name
http://www.securityfocus.com/bid/102817 Third Party Advisory; VDB Entry External Source BID 102817
https://lists.debian.org/debian-lts-announce/2018/01/msg00039.html Third Party Advisory External Source MLIST [debian-lts-announce] 20180130 [SECURITY] [DLA 1264-1] unbound security update
https://unbound.net/downloads/CVE-2017-15105.txt Vendor Advisory External Source CONFIRM https://unbound.net/downloads/CVE-2017-15105.txt

Technical Details

Vulnerability Type (View All)

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