Web Server HTTP 1.1 Header Remote Overflow

high Nessus Plugin ID 11129

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 1.1 header (Accept-Encoding, Accept-Language, Accept-Range, Connection, Expect, If-Match, If-None-Match, If-Range, If-Unmodified-Since, Max-Forwards, TE, Host).

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: 11129

File Name: www_too_long_header11.nasl

Version: 1.33

Type: remote

Family: Web Servers

Published: 9/21/2002

Updated: 8/7/2018

Configuration: Enable paranoid mode

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 4.4

CVSS v2

Risk Factor: High

Base Score: 7.5

Temporal Score: 5.5

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

Vulnerability Information

Required KB Items: Settings/ParanoidReport

Exploit Ease: No known exploits are available

Vulnerability Publication Date: 2/17/2003

Reference Information

CVE: CVE-2003-0180, CVE-2003-0181

BID: 6951