From labs@USSRBACK.COM Thu Jul 13 02:42:40 2000 From: Ussr Labs To: BUGTRAQ@SECURITYFOCUS.COM Date: Thu, 15 Jun 2000 12:01:46 -0300 Subject: Remote DoS attack in AnalogX SimpleServer WWW Version 1.05 Vulnerability [The following text is in the "iso-8859-1" character set] [Your display is set for the "US-ASCII" character set] [Some characters may be displayed incorrectly] -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 Remote DoS attack in AnalogX SimpleServer WWW Version 1.05 Vulnerability USSR Advisory Code: USSR-2000045 Release Date: June 15, 2000 Systems Affected: AnalogX SimpleServer WWW Version 1.05 THE PROBLEM The Ussr Labs team has recently discovered a null memory problem in the SimpleServer WWW Version 1.05 What happens is by preforming an attack with a malformed url information to port 80 it will cause the proccess containg the services to stop responding. SPECIAL NOTE: That we take no responsibility for this code it is for educational purposes only. Example: Type in you browser one malformed url like this: http://serverip/cgi-bin/aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa and the process containg the service crash Vendor Status: Informed!, Contacted!. Fix: You can download the version 1.06 here: http://www.analogx.com/files/sswwwi.exe Vendor Url: http://www.analogx.com Program Url: http://www.analogx.com/contents/download/network/sswww.htm Related Links: Underground Security Systems Research http://www.ussrback.com Greetings: Eeye, Attrition, w00w00, beavuh, Rhino9, SecurityFocus.com, ADM, HNN, Technotronic and Wiretrip. Copyright (c) 1999-2000 Underground Security Systems Research. Permission is hereby granted for the redistribution of this alert electronically. It is not to be edited in any way without express consent of Ussr. If you wish to reprint the whole or any part of this alert in any other medium excluding electronic medium, please e-mail labs@ussrback.com 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 with regard to this information. In no event shall the author be liable for any damages whatsoever arising out of or in connection with the use or spread of this information. Any use of this information is at the user's own risk. Feedback: Please send suggestions, updates, and comments to: Underground Security Systems Research mail:labs@ussrback.com http://www.ussrback.com -----BEGIN PGP SIGNATURE----- Version: PGPfreeware 6.5.2 for non-commercial use iQA/AwUBOUjv2q3JcbWNj6DDEQKtcwCgn1vwhWKWCdw78iJTz6YJu1gnXjUAoKhC 7mpK3CAqKs5/wqXfqicwuSON =clEO -----END PGP SIGNATURE-----