CVE-2016-5426

moderate-risk
Published 2016-09-21

PowerDNS (aka pdns) Authoritative Server before 3.4.10 allows remote attackers to cause a denial of service (backend CPU consumption) via a long qname.

Do I need to act?

!
37.0% chance of exploitation in next 30 days
EPSS score — higher than 63% of all CVEs
-
Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
7
CVSS 7.5/10 High
NETWORK / LOW complexity

Affected Products (1)

Affected Vendors

Powerdns

References (12)

http://www.debian.org/security/2016/dsa-3664
Release Notes http://www.openwall.com/lists/oss-security/2016/09/09/3
http://www.securityfocus.com/bid/92917
http://www.securitytracker.com/id/1036761
Vendor Advisory https://doc.powerdns.com/md/security/powerdns-advisory-2016-01/
Patch https://github.com/PowerDNS/pdns/commit/881b5b03a590198d03008e4200dd00cc537712f3
http://www.debian.org/security/2016/dsa-3664
Release Notes http://www.openwall.com/lists/oss-security/2016/09/09/3
http://www.securityfocus.com/bid/92917
http://www.securitytracker.com/id/1036761
Vendor Advisory https://doc.powerdns.com/md/security/powerdns-advisory-2016-01/
Patch https://github.com/PowerDNS/pdns/commit/881b5b03a590198d03008e4200dd00cc537712f3
47
/ 100
moderate-risk
Severity 26/34 · High
Exploitability 16/34 · Moderate
Exposure 5/34 · Minimal