Vulnerability CVE-2014-8601
Published: 2014-12-10

Description:
PowerDNS Recursor before 3.6.2 does not limit delegation chaining, which allows remote attackers to cause a denial of service ("performance degradations") via a large or infinite number of referrals, as demonstrated by resolving domains hosted by ezdns.it.

CVSS2 => (AV:N/AC:L/Au:N/C:N/I:N/A:P)

CVSS Base Score
Impact Subscore
Exploitability Subscore
5/10
2.9/10
10/10
Exploit range
Attack complexity
Authentication
Remote
Low
No required
Confidentiality impact
Integrity impact
Availability impact
None
None
Partial
Affected software
Powerdns -> Recursor 
Debian -> Debian linux 

 References:
http://cert.ssi.gouv.fr/site/CERTFR-2014-AVI-512/index.html
http://doc.powerdns.com/md/security/powerdns-advisory-2014-02/
http://www.debian.org/security/2014/dsa-3096
http://www.kb.cert.org/vuls/id/264212
http://www.securityfocus.com/bid/71545
http://www.securitytracker.com/id/1031310
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