Web Server HTTP 1.0 Header Remote Overflow

high Nessus Plugin ID 11127

Synopsis

Arbitrary code may be run on the remote server.

Description

It was possible to kill the web server by sending an invalid request with a too long HTTP 1.0 header (From, If-Modified-Since, Referer or Content-Type).

This vulnerability could be exploited to crash the web server. It might even be possible to execute arbitrary code on your system.

** As this is a generic test, it is not possible to know if the impact
** is limited to a denial of service.

Solution

Upgrade your web server or protect it with a filtering reverse proxy

Plugin Details

Severity: High

ID: 11127

File Name: www_too_long_header10.nasl

Version: Revision: 1.31

Type: remote

Family: Web Servers

Published: 9/21/2002

Updated: 5/27/2014

Configuration: Enable paranoid mode

Supported Sensors: Nessus

Risk Information

CVSS v2

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