-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 1st Up Mail Server v4.1 Buffer Overflow Vulnerability USSR Advisory Code: USSR-2000058 Public Disclosure Date: December 25, 2000 Vendors Affected: Upland Ltd http://www.upland.co.uk/ Systems Affected: 1st Up Mail Server v4.1 Problem: The Ussr Team has recently discovered a Buffer Overflow in 1st Up Mail Server v4.1 where they do not use proper bounds checking. The overflow is in the field "mail from: <", a large number of aaaaaa's "> (over 300). It then displays this message: "Application popup: smtp server: smtp server.exe - Application Error : The instruction at "0x00402f23" referenced memory at "0x61616161". The memory could not be "read". Click on OK to terminate the program Click on CANCEL to debug the program " This results in a Denial of Service against the service in question. Vendor Status: Informed Contacted Patch Available Fix: Upgrade to version 1st Up Mail Server 4.1.4e http://www.upland.co.uk/1stup/UpMailSetUp.EXE Related Links: Underground Security Systems Research: http://www.ussrback.com CrunchSp Product: http://www.crunchsp.com About: USSR is an emerging security company based in South America. We are devoted to network security research, vulnerability research, and software protection systems. One of the main objectives of USSR is to develop and implement cutting edge security and protection systems that cater to an evolving market. We believe that the way we implement security solutions can make a difference. CrunchSP is an example, providing a solution to software piracy. Our solutions such as CrunchSP are devoted to protecting your enterprise. On a daily basis, we research, develop, discover and report vulnerability information. We make this information freely available via public forums such as BugTraq, and our advisory board located at http://www.ussrback.com. The USSR is a highly skilled, experienced team. Many USSR programmers, as well as programmers of partners and affiliates, are seasoned professionals, with 12 or more years of industry experience. A knowledge base of numerous computer applications as well as many high and low level programming languages makes USSRback a diverse team of experts prepared to serve the needs of any customer. USSR has assembled some of the world's greatest software developers and security consultants to provide our customers with a wide range of enterprise level services. These services include: * Network Penetration Testing * Security Application development * Application Security Testing and Certification * Security Implementations * Cryptography * Emergency Response Team * Firewalling * Virtual Private Networking * Intrusion Detection * Support and maintenance For more information, please contact us via email at labs@ussrback.com. 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 explicit consent of USSR. If you wish to reprint 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. We may not be held responsible for the use and/or potential effects of these programs or advisories. Use them and read them at your own risk or not at all. You solely are responsible for this judgment. Feedback: If you have any questions, comments, concerns, updates, or suggestions please feel free to send them to: Underground Security Systems Research mail:labs@ussrback.com http://www.ussrback.com -----BEGIN PGP SIGNATURE----- Version: PGPfreeware 6.5.8 for non-commercial use iQA/AwUBOkgZctybEYfHhkiVEQIxMACg/F5Wz6duPU/rYa/TR2joTHtsECUAnRcx LVFBJdQdmwP53C/Uz/LucF8/ =qQZu -----END PGP SIGNATURE-----