National Vulnerability Database

National Vulnerability Database

National Vulnerability
Database

CVE-2017-15094 Detail

Current Description

An issue has been found in the DNSSEC parsing code of PowerDNS Recursor from 4.0.0 up to and including 4.0.6 leading to a memory leak when parsing specially crafted DNSSEC ECDSA keys. These keys are only parsed when validation is enabled by setting dnssec to a value other than off or process-no-validate (default).

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

Quick Info

CVE Dictionary Entry:
CVE-2017-15094
Original release date:
01/23/2018
Last revised:
02/09/2018
Source:
US-CERT/NIST

Impact

CVSS Severity (version 3.0):
CVSS v3 Base Score:
5.9 Medium
Vector:
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H (legend)
Impact Score:
3.6
Exploitability Score:
2.2
CVSS Version 3 Metrics:
Attack Vector (AV):
Network
Attack Complexity (AC):
High
Privileges Required (PR):
None
User Interaction (UI):
None
Scope (S):
Unchanged
Confidentiality (C):
None
Integrity (I):
None
Availability (A):
High
CVSS Severity (version 2.0):
CVSS v2 Base Score:
4.3 MEDIUM
Vector:
(AV:N/AC:M/Au:N/C:N/I:N/A:P) (legend)
Impact Subscore:
2.9
Exploitability Subscore:
8.6
CVSS Version 2 Metrics:
Access Vector:
Network exploitable
Access Complexity:
Medium
Authentication:
Not required to exploit
Impact Type:
Allows disruption of service

References to Advisories, Solutions, and Tools

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Hyperlink Resource Type Source Name
http://www.securityfocus.com/bid/101982 Third Party Advisory; VDB Entry External Source BID 101982
https://doc.powerdns.com/recursor/security-advisories/powerdns-advisory-2017-07.html Mitigation; Patch; Vendor Advisory External Source CONFIRM https://doc.powerdns.com/recursor/security-advisories/powerdns-advisory-2017-07.html

Technical Details

Vulnerability Type (View All)

  • Resource Management Errors (CWE-399)

Change History 2 change records found - show changes