CVE-2015-5470

high

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.

References

http://www.openwall.com/lists/oss-security/2015/07/07/6

http://www.openwall.com/lists/oss-security/2015/07/10/8

https://doc.powerdns.com/md/security/powerdns-advisory-2015-01/

Details

Source: MITRE

Published: 2015-11-02

Updated: 2015-11-04

Type: CWE-399

Risk Information

CVSS v2

Base Score: 7.8

Vector: AV:N/AC:L/Au:N/C:N/I:N/A:C

Impact Score: 6.9

Exploitability Score: 10

Severity: HIGH