Vulnerability identifier: #VU16147
Vulnerability risk: Low
Exploitation vector: Network
Exploit availability: No
Vendor: PowerDNS.COM B.V.
The vulnerability allows a remote attacker to cause DoS condition on the target system.
The vulnerability exists due to out-of-bounds memory read while computing the hash of the query for a packet cache lookup. A remote attacker can send a specially crafted DNS query and cause the service to crash.
Update to version 4.1.8.
Vulnerable software versions
PowerDNS Recursor: 4.1.0 - 4.1.7
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.