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-----BEGIN PGP SIGNED MESSAGE----- This document is an ISS X-Force Security Brief. For the complete Security Alert, please visit: http://bvlive01.iss.net/issEn/delivery/xforce/alertdetail.jsp?oid=20747 - ----------------------------------------- Internet Security Systems Security Brief July 22, 2002 Remote Compromise and Denial of Service Vulnerability in PHP Synopsis: ISS X-Force has learned of a vulnerability in two versions of PHP. PHP is a popular server-side scripting language that is used primarily in Apache Web server environments and is supported by all major Web servers and operating systems. It has been reported that only certain platforms running PHP are vulnerable, but this has not yet been verified. At the time of publication, there is no widespread circulation of an exploit for this vulnerability. Impact: Netcraft reports that as of June 2002, there are over 23.1 million active Apache installations, which account for 60% of the Web sites surveyed. Secure Space reports that PHP is the most popular Apache module available, with over 2.12 million active installations. This vulnerability can be exploited by both local and remote users, including those behind packet filters or firewalls. Affected Versions: PHP version 4.2.0 PHP version 4.2.1 ______ About Internet Security Systems (ISS) Founded in 1994, Internet Security Systems (ISS) (Nasdaq: ISSX) is a pioneer and world leader in software and services that protect critical online resources from an ever-changing spectrum of threats and misuse. Internet Security Systems is headquartered in Atlanta, GA, with additional operations throughout the Americas, Asia, Australia, Europe and the Middle East. Copyright (c) 2002 Internet Security Systems, Inc. All rights reserved worldwide. Permission is hereby granted for the electronic redistribution of this document. It is not to be edited or altered in any way without the express written consent of the Internet Security Systems X-Force. If you wish to reprint the whole or any part of this document in any other medium excluding electronic media, please email [EMAIL PROTECTED] for permission. Disclaimer: The information within this paper may change without notice. Use of this information constitutes acceptance for use in an AS IS condition. There are NO warranties, implied or otherwise, with regard to this information or its use. Any use of this information is at the user's risk. In no event shall the author/distributor (Internet Security Systems X-Force) be held liable for any damages whatsoever arising out of or in connection with the use or spread of this information. X-Force PGP Key available on MIT's PGP key server and PGP.com's key server, as well as at http://www.iss.net/security_center/sensitive.php Please send suggestions, updates, and comments to: X-Force [EMAIL PROTECTED] of Internet Security Systems, Inc. -----BEGIN PGP SIGNATURE----- Version: 2.6.2 iQCVAwUBPTxZSjRfJiV99eG9AQGCvAP/RC4CEikQ3HXGBqmol3GrNqruFHKqTnBA PuD10zx+8/7e0+PtPw4K4C31qxGeW5JZE73kuQ42iJ/4S1dHLZzr4qBISHbAQPL3 qEPLLcSoFkI7kNubuGB850oDlPomBwBsY5lESR05sVDkJtj/p6HNpPIUNB0j7Eim 8Bt5L5yrT9Y= =3GZy -----END PGP SIGNATURE-----
