DeleGate < 8.11.6 Invalid DNS Response DoS

Medium Nessus Network Monitor Plugin ID 3522


A rogue DNS server may crash the remote proxy.


The remote version of this software is vulnerable to a denial of service when processing invalid DNS responses. An attacker may exploit this flaw to disable this service remotely. To exploit this flaw, an attacker would need to be able to inject malformed DNS responses to the queries sent by the remote application.


Upgrade to version 8.11.6 or higher.

Plugin Details

Severity: Medium

ID: 3522

Family: DNS Servers

Published: 2004/08/18

Updated: 2019/03/06

Nessus ID: 21293

Risk Information

Risk Factor: Medium

CVSS v2.0

Base Score: 5

Temporal Score: 4.1

Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:P

Temporal Vector: CVSS2#E:F/RL:OF/RC:C

CVSS v3.0

Base Score: 5.3

Temporal Score: 4.9

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

Temporal Vector: CVSS:3.0/E:F/RL:O/RC:C

Vulnerability Information

CPE: cpe:/a:delegate:delegate

Reference Information

CVE: CVE-2006-2072

BID: 17691