National Vulnerability Database

National Vulnerability Database

National Vulnerability
Database

CVE-2017-15091 Detail

Current Description

An issue has been found in the API component of PowerDNS Authoritative 4.x up to and including 4.0.4 and 3.x up to and including 3.4.11, where some operations that have an impact on the state of the server are still allowed even though the API has been configured as read-only via the api-readonly keyword. This missing check allows an attacker with valid API credentials to flush the cache, trigger a zone transfer or send a NOTIFY.

Source:  MITRE
View Analysis Description

Impact

CVSS v3.0 Severity and Metrics:

Base Score: 7.1 HIGH
Vector: AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:H (V3.0 legend)
Impact Score: 4.2
Exploitability Score: 2.8


Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): Low
User Interaction (UI): None
Scope (S): Unchanged
Confidentiality (C): None
Integrity (I): Low
Availability (A): High

CVSS v2.0 Severity and Metrics:

Base Score: 5.5 MEDIUM
Vector: (AV:N/AC:L/Au:S/C:N/I:P/A:P) (V2 legend)
Impact Subscore: 4.9
Exploitability Subscore: 8.0


Access Vector (AV): Network
Access Complexity (AC): Low
Authentication (AU): Single
Confidentiality (C): None
Integrity (I): Partial
Availability (A): Partial
Additional Information:
Allows unauthorized modification
Allows disruption of service

References to Advisories, Solutions, and Tools

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Hyperlink Resource
http://www.securityfocus.com/bid/101982 Third Party Advisory VDB Entry
https://doc.powerdns.com/authoritative/security-advisories/powerdns-advisory-2017-04.html Patch Vendor Advisory

Technical Details

Vulnerability Type (View All)

  • Improperly Implemented Security Check for Standard (CWE-358)

Known Affected Software Configurations Switch to CPE 2.2

Configuration 1 ( hide )
 cpe:2.3:a:powerdns:authoritative:*:*:*:*:*:*:*:*
     Show Matching CPE(s)
From (including)
3.0
Up to (including)
3.4.11
 cpe:2.3:a:powerdns:authoritative:*:*:*:*:*:*:*:*
     Show Matching CPE(s)
From (including)
4.0.0
Up to (including)
4.0.4


Change History

3 change records found - show changes

Quick Info

CVE Dictionary Entry:
CVE-2017-15091
NVD Published Date:
01/23/2018
NVD Last Modified:
10/09/2019