CVE-2016-5427
high-risk
Published 2016-09-21
PowerDNS (aka pdns) Authoritative Server before 3.4.10 does not properly handle a . (dot) inside labels, which allows remote attackers to cause a denial of service (backend CPU consumption) via a crafted DNS query.
Do I need to act?
!
85.5% chance of exploitation in next 30 days
EPSS score — higher than 14% 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)
Authoritative
Affected Vendors
References (12)
Release Notes
http://www.openwall.com/lists/oss-security/2016/09/09/3
Vendor Advisory
https://doc.powerdns.com/md/security/powerdns-advisory-2016-01/
Release Notes
http://www.openwall.com/lists/oss-security/2016/09/09/3
Vendor Advisory
https://doc.powerdns.com/md/security/powerdns-advisory-2016-01/
51
/ 100
high-risk
Severity
26/34 · High
Exploitability
20/34 · Moderate
Exposure
5/34 · Minimal