ISC BIND 9 EDNS Processing DoS

medium Nessus Plugin ID 74495

Synopsis

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

Description

According to its self-reported version number, the remote installation of BIND is affected by a denial of service vulnerability. The issue exists due to an error in 'libdns' that fails to properly handle Extension Mechanisms for DNS (EDNS) options.

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

Solution

Upgrade to BIND version 9.10.0-P2 or later.

See Also

https://kb.isc.org/docs/aa-01166

https://lists.isc.org/pipermail/bind-announce/2014-June/000914.html

https://tools.ietf.org/html/rfc6891

Plugin Details

Severity: Medium

ID: 74495

File Name: bind9_9100_p2.nasl

Version: 1.18

Type: remote

Family: DNS

Published: 6/12/2014

Updated: 11/26/2019

Configuration: Enable paranoid mode

Risk Information

VPR

Risk Factor: Low

Score: 3.6

CVSS v2

Risk Factor: Medium

Base Score: 5

Temporal Score: 3.7

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

Temporal Vector: E:U/RL:OF/RC:C

CVSS Score Source: CVE-2014-3859

Vulnerability Information

CPE: cpe:/a:isc:bind

Required KB Items: bind/version, Settings/ParanoidReport

Exploit Ease: No known exploits are available

Patch Publication Date: 6/11/2014

Vulnerability Publication Date: 6/11/2014

Reference Information

CVE: CVE-2014-3859

BID: 68038