DNS: PowerDNS Authoritative Server Denial of Service
This signature detects attempts to exploit a known vulnerability against PowerDNS Authoritative Server. A successful attack can result in a denial-of-service condition.
Extended Description
PowerDNS Authoritative Server 4.5.0 before 4.5.1 allows anybody to crash the process by sending a specific query (QTYPE 65535) that causes an out-of-bounds exception.
Affected Products
Powerdns authoritative_server
Short Name
DNS:QUERY:POWERDNS-AS-DOS
Severity
Minor
Recommended
False
Recommended Action
Drop
Category
DNS
Keywords
Authoritative CVE-2021-36754 Denial PowerDNS Server Service of
Release Date
08/24/2021
Supported Platforms
srx-branch-12.3
srx-19.3
srx-branch-19.3
vsrx3bsd-19.2
srx-branch-19.4
vsrx-19.4
mx-12.3
mx-19.4
vmx-19.4
mx-19.3
vsrx3bsd-19.4
srx-19.4
vsrx-12.3
vmx-19.3
vsrx-19.2
srx-12.3
Sigpack Version
3412
False Positive
Unknown
Vendors
Powerdns
CVSS Score
5.0