Unbound < 1.5.2 Upstream Server Trust Anchor Unspecified DNSSEC Validation Weakness

medium Nessus Plugin ID 87871
New! Plugin Severity Now Using CVSS v3

The calculated severity for Plugins has been updated to use CVSS v3 by default. Plugins that do not have a CVSS v3 score will fall back to CVSS v2 for calculating severity. Severity display preferences can be toggled in the settings dropdown.

Synopsis

The remote name server is affected by an unspecified DNSSEC validation weakness.

Description

According to its self-reported version number, the remote Unbound DNS resolver is affected by an unspecified DNSSEC validation weakness that is triggered when an upstream server with different trust anchors introduces unsigned records in messages.

Solution

Upgrade to Unbound version 1.5.2 or later.

See Also

https://nlnetlabs.nl/pipermail/unbound-users/2015-February/003784.html

Plugin Details

Severity: Medium

ID: 87871

File Name: unbound_1_5_2.nasl

Version: 1.3

Type: remote

Family: DNS

Published: 1/12/2016

Updated: 11/15/2018

Dependencies: unbound_version.nasl

Configuration: Enable paranoid mode

Risk Information

CVSS v2

Risk Factor: Medium

Base Score: 6.8

Vector: AV:N/AC:M/Au:N/C:P/I:P/A:P

Vulnerability Information

CPE: cpe:/a:unbound:unbound

Required KB Items: Settings/ParanoidReport, unbound/version

Patch Publication Date: 2/19/2015

Vulnerability Publication Date: 2/19/2015