CVE-2015-5470

Severity CVSS v4.0:

Pending analysis

Type:

CWE-399 Resource Management Errors

Publication date:

02/11/2015

Last modified:

12/04/2025

Description

The label decompression functionality in PowerDNS Recursor before 3.6.4 and 3.7.x before 3.7.3 and Authoritative (Auth) Server before 3.3.3 and 3.4.x before 3.4.5 allows remote attackers to cause a denial of service (CPU consumption or crash) via a request with a long name that refers to itself. NOTE: this vulnerability exists because of an incomplete fix for CVE-2015-1868.

Impact

Vector 2.0

AV:N/AC:L/Au:N/C:N/I:N/A:C CVSS v2.0 Severity and Metrics:

Base Score: 7.80 HIGH
Vector: AV:N/AC:L/Au:N/C:N/I:N/A:C

Attack Vector (AV): Network
Attack Complexity (AC): Low
Authentication (Au): None
Confidentiality (C): None
Integrity (I): None
Availability (A): Complete

Base Score 2.0

7.80

Severity 2.0

HIGH

Vulnerable products and versions

CPE	From	Up to
cpe:2.3:a:powerdns:authoritative::::::::		3.3.2 (including)
cpe:2.3:a:powerdns:authoritative:3.4.0:::::::*
cpe:2.3:a:powerdns:authoritative:3.4.1:::::::*
cpe:2.3:a:powerdns:authoritative:3.4.2:::::::*
cpe:2.3:a:powerdns:authoritative:3.4.3:::::::*
cpe:2.3:a:powerdns:authoritative:3.4.4:::::::*
cpe:2.3:a:powerdns:recursor::::::::		3.6.3 (including)
cpe:2.3:a:powerdns:recursor:3.7.1:::::::*
cpe:2.3:a:powerdns:recursor:3.7.2:::::::*

To consult the complete list of CPE names with products and versions, see this page

CPE	From	Up to
cpe:2.3:a:powerdns:authoritative::::::::		3.3.2 (including)
cpe:2.3:a:powerdns:authoritative:3.4.0:::::::*
cpe:2.3:a:powerdns:authoritative:3.4.1:::::::*
cpe:2.3:a:powerdns:authoritative:3.4.2:::::::*
cpe:2.3:a:powerdns:authoritative:3.4.3:::::::*
cpe:2.3:a:powerdns:authoritative:3.4.4:::::::*
cpe:2.3:a:powerdns:recursor::::::::		3.6.3 (including)
cpe:2.3:a:powerdns:recursor:3.7.1:::::::*
cpe:2.3:a:powerdns:recursor:3.7.2:::::::*

CVE-2015-5470

Description

Impact

Vulnerable products and versions

References to Advisories, Solutions, and Tools