This security bulletin contains one medium risk vulnerability.
CWE-125 - Out-of-bounds read
Exploit availability: NoDescription
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to a boundary condition when processing DNS queries. A remote attacker can send a specially crafted query with QTYPE 65535, trigger an out-of-bounds read error and perform a denial of service (DoS) attack.
Install updates from vendor's website.Vulnerable software versions
PowerDNS Authoritative: 4.5.0
Can this vulnerability be exploited remotely?
How the attacker can exploit this vulnerability?
Is there known malware, which exploits this vulnerability?