SOCKS4 Server Recursive Connection Remote DoS

High Nessus Plugin ID 17155


The remote SOCKS service is prone to a denial of service attack.


It is possible to connect to the SOCKS4 server through itself. An attacker can leverage this issue to saturate the host's CPU, memory or file descriptors.


Reconfigure the service so that it refuses connections to itself.

Plugin Details

Severity: High

ID: 17155

File Name: socks4_loop_connect.nasl

Version: $Revision: 1.11 $

Type: remote

Family: Firewalls

Published: 2005/02/20

Modified: 2012/09/27

Dependencies: 17975, 11153

Risk Information

Risk Factor: High


Base Score: 7.8

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

Reference Information

OSVDB: 56284