CVE-2014-8601

Severity: medium (CVSS 5.0 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 68.9% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2014-12-10 · updated 2026-06-17
Weakness: CWE-399

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.

Affected products

Debian Linux: 7.0
PowerDNS Recursor: through 3.6.1

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
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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