Improper input validation in PowerDNS - CVE-2016-6172
Published: July 8, 2016 / Updated: November 22, 2018
Vulnerability identifier: #VU102
CSH Severity: High
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Amber
CVE-ID: CVE-2016-6172
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: PowerDNS.COM B.V.
Affected software:
PowerDNS
PowerDNS
Detailed vulnerability description
The vulnerability allows a remote attacker to cause the target service to crash.
The vulnerability exists due to resource error in PowerDNS. A remote unauthenticated attacker can cause the target service to crash by sending a specially crafted AXFR response or IXFR response.
Successful exploitation of this vulnerability may result in denial of service via network
The vulnerability exists due to resource error in PowerDNS. A remote unauthenticated attacker can cause the target service to crash by sending a specially crafted AXFR response or IXFR response.
Successful exploitation of this vulnerability may result in denial of service via network
How to mitigate CVE-2016-6172
Cybersecurity Help is currently unaware of any official solution, which resolves this vulnerability.
An unofficial, third-party patch is available at: https://github.com/sischkg/xfer-limit.
An unofficial, third-party patch is available at: https://github.com/sischkg/xfer-limit.