#VU15960 Memory leak in PowerDNS Recursor and PowerDNS Authoritative - CVE-2018-10851
Published: November 12, 2018 / Updated: November 19, 2018
Vulnerability identifier: #VU15960
Vulnerability risk: Low
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2018-10851
CWE-ID: CWE-401
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
PowerDNS Recursor
PowerDNS Authoritative
PowerDNS Recursor
PowerDNS Authoritative
Software vendor:
PowerDNS.COM B.V.
PowerDNS.COM B.V.
Description
The vulnerability allows a remote authenticated attacker to cause DoS condition on the target system.
The vulnerability exists due to memory leak when handling malicious input. A remote attacker can insert a specially crafted record in a zone under his control, send a DNS query for that record, trigger memory leak and cause the service to crash.
Remediation
The vulnerability has been fixed in the versions 4.1.5.