CVE-2015-5470

Severity

78%

Complexity

99%

Confidentiality

115%

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.

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.

CVSS 2.0 Base Score 7.8. CVSS Attack Vector: network. CVSS Attack Complexity: low. CVSS Vector: (AV:N/AC:L/Au:N/C:N/I:N/A:C).

Overview

Type

PowerDNS

First reported 9 years ago

2015-11-02 19:59:00

Last updated 9 years ago

2015-11-04 02:44:00

Affected Software

PowerDNS Authoritative 3.4.0

3.4.0

PowerDNS Authoritative 3.4.1

3.4.1

PowerDNS Authoritative 3.4.2

3.4.2

PowerDNS Authoritative 3.4.3

3.4.3

PowerDNS Authoritative 3.4.4

3.4.4

PowerDNS Recursor 3.7.1

3.7.1

PowerDNS Recursor 3.7.2

3.7.2

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