Vulnerability Note VU#125235

Apache Web Server vulnerable to DoS via crafted HTTP request

Overview

Some versions of the Apache Web server are vulnerable to denial-of-service attacks by crafted HTTP requests.

I. Description

A vulnerability exists in some versions the Apache Web (HTTPD) Server running on Windows 98SE, Windows 2000 SP1, and OS/2. The vulnerability appears to be a bounds checking problem in HTTP requests. Receipt of an HTTP request 8192 characters in length can exploit the vulnerability.

II. Impact

An attacker could cause the server to crash.

III. Solution

Upgrade to version Apache HTTPD Server 1.3.20 or later. For more info, see:

http://bugs.apache.org/index.cgi/full/7522

Systems Affected

Vendor	Status	Date Notified	Date Updated
Apache	Vulnerable	26-Feb-2002

References

http://www.securitytracker.com/alerts/2001/Apr/1001304.html
http://bugs.apache.org/index.cgi/full/7522

Credit

Thanks to Auriemma Luigi and Security Tracker for reporting this vulnerability.

This document was written by Shawn Van Ittersum.

Other Information

Date Public:	2001-04-13
Date First Published:	2002-03-29
Date Last Updated:	2002-07-30
CERT Advisory:
CVE-ID(s):
NVD-ID(s):
US-CERT Technical Alerts:
Metric:	3.80
Document Revision:	11

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