Web Server HTTP Basic Authorization Header Remote Overflow DoS

High Nessus Plugin ID 12201


The remote host is running a web server with a remote buffer overflow vulnerability.


It was possible to kill the web server by sending a request with a long basic authentication field.

A remote attacker may exploit this vulnerability to make the web server crash continually or even execute arbitrary code.


Upgrade to the latest version or protect it with a filtering reverse proxy

Plugin Details

Severity: High

ID: 12201

File Name: www_too_long_auth_DoS.nasl

Version: $Revision: 1.17 $

Type: remote

Family: Web Servers

Published: 2004/04/11

Modified: 2014/05/27

Dependencies: 10582, 10107, 10386

Risk Information

Risk Factor: High


Base Score: 7.5

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

Vulnerability Information

Required KB Items: Settings/ParanoidReport