Vulnerability Monitor

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CVE-2014-8601

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.

Published

2014-12-10T15:59:17.410

Last Modified

2025-04-12T10:46:40.837

Status

Deferred

Source

[email protected]

Severity

CVSSv2: 5.0 (MEDIUM)

CVSSv2 Vector

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

Access Vector: NETWORK
Access Complexity: LOW
Authentication: NONE
Confidentiality Impact: NONE
Integrity Impact: NONE
Availability Impact: PARTIAL

Exploitability Score

10.0

Impact Score

2.9

Weaknesses

Type: Primary
CWE-399

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Operating System	debian	debian_linux	7.0	Yes
Application	powerdns	recursor	≤ 3.6.1	Yes

References

http://cert.ssi.gouv.fr/site/CERTFR-2014-AVI-512/index.html Third Party Advisory ([email protected])
http://doc.powerdns.com/md/security/powerdns-advisory-2014-02/ Third Party Advisory ([email protected])
http://www.debian.org/security/2014/dsa-3096 Third Party Advisory ([email protected])
http://www.kb.cert.org/vuls/id/264212 Third Party Advisory, US Government Resource ([email protected])
http://www.securityfocus.com/bid/71545 Third Party Advisory, VDB Entry ([email protected])
http://www.securitytracker.com/id/1031310 Third Party Advisory, VDB Entry ([email protected])
http://cert.ssi.gouv.fr/site/CERTFR-2014-AVI-512/index.html Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://doc.powerdns.com/md/security/powerdns-advisory-2014-02/ Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://www.debian.org/security/2014/dsa-3096 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://www.kb.cert.org/vuls/id/264212 Third Party Advisory, US Government Resource (af854a3a-2127-422b-91ae-364da2661108)
http://www.securityfocus.com/bid/71545 Third Party Advisory, VDB Entry (af854a3a-2127-422b-91ae-364da2661108)
http://www.securitytracker.com/id/1031310 Third Party Advisory, VDB Entry (af854a3a-2127-422b-91ae-364da2661108)