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PowerDNS Recursor < 4.1.8 DoS Vulnerability
Information
Severity
Severity
Medium
Family
Family
Denial of Service
CVSSv2 Base
CVSSv2 Base
5.0
CVSSv2 Vector
CVSSv2 Vector
AV:N/AC:L/Au:N/C:N/I:N/A:P
Solution Type
Solution Type
Vendor Patch
Created
Created
5 years ago
Modified
Modified
5 years ago
Summary
PowerDNS Recursor is prone to a denial of service vulnerability.
Insight
Insight
An issue has been found in PowerDNS Recursor where a remote attacker sending a DNS query can trigger an out-of-bounds memory read while computing the hash of the query for a packet cache lookup, possibly leading to a crash.
Affected Software
Affected Software
PowerDNS Recursor versions 4.1.0 until 4.1.7.
Detection Method
Detection Method
Checks if a vulnerable version is present on the target host.
Solution
Solution
Upgrade to version 4.1.8 or later.