Unbound < 1.5.2 Upstream Server Trust Anchor Unspecified DNSSEC Validation Weakness

Medium Nessus Plugin ID 87871

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

http://unbound.net/pipermail/unbound-users/2015-February/003784.html

Plugin Details

Severity: Medium

ID: 87871

File Name: unbound_1_5_2.nasl

Version: 1.2

Type: remote

Family: DNS

Published: 2016/01/12

Modified: 2018/08/15

Dependencies: 87872

Risk Information

Risk Factor: Medium

CVSSv2

Base Score: 6.8

Vector: CVSS2#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: 2015/02/19

Vulnerability Publication Date: 2015/02/19