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PowerDNS Security Advisory 2014-02: PowerDNS Recursor 3.6.1 and earlier can be made to provide bad service

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

4 years ago

Modified

Modified

4 years ago

Summary

PowerDNS Recursor before 3.6.2 does not limit delegation chaining, which allows remote attackers to cause a denial of service ("performance degradations") via a large or infinite number of referrals, as demonstrated by resolving domains hosted by ezdns.it.

Affected Software

Affected Software

PowerDNS Recursor before version 3.6.2.

Detection Method

Detection Method

Checks if a vulnerable version is present on the target host.

Solution

Solution

Update PowerDNS Recursor to version 3.6.2.

Common Vulnerabilities and Exposures (CVE)