Signature Detail
This site is deprecated. Please CLICK HERE for latest updates
Short Name |
DNS:POWERDNS-DOT-DOS |
|---|---|
Severity |
Major |
Recommended |
Yes |
Recommended Action |
Drop |
Category |
DNS |
Keywords |
PowerDNS Authoritative Server Dot Character Denial of Service |
Release Date |
2016/10/13 |
Update Number |
2788 |
Supported Platforms |
idp-4.0+, isg-3.0+, j-series-9.5+, mx-11.4+, srx-12.1+, srx-branch-12.1+, vmx-17.4+, vsrx-12.1+, vsrx3bsd-18.2+ |
DNS: PowerDNS Authoritative Server Dot Character Denial of Service
This signature detects attempts to exploit a known vulnerability in PowerDNS Authoritative Server. A successful attack can result in a denial-of-service condition.
Extended Description
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.
Affected Products
- Powerdns authoritative 3.4.9
References
- CVE: CVE-2016-5426
- CVE: CVE-2016-5427