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Unbound < 1.6.3 use-caps-for-id Option qname Handling Denial of Service

medium Nessus Plugin ID 106382

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Synopsis

The remote name server is affected by a remote denial of service vulnerability.

Description

According to its self-reported version number, the remote Unbound DNS resolver is affected by a denial of service vulnerability when handling qnames in responses with the use-caps-for-id option enabled.

Solution

Upgrade to Unbound version 1.6.3 or later.

See Also

https://nlnetlabs.nl/projects/unbound/download/

Plugin Details

Severity: Medium

ID: 106382

File Name: unbound_1_6_3.nasl

Version: 1.5

Type: remote

Family: DNS

Published: 1/26/2018

Updated: 11/15/2018

Configuration: Enable paranoid mode

Supported Sensors: Nessus

Vulnerability Information

CPE: cpe:/a:unbound:unbound

Required KB Items: Settings/ParanoidReport, unbound/version

Patch Publication Date: 6/13/2017

Vulnerability Publication Date: 6/13/2017