Free hyperterminal buffer software for windows

Windows 2000 HyperTerminal Buffer Overflow Vulnerability Patch May 25, 2001 is an update to resolve the 'HyperTerminal Buffer Overflow' security vulnerability in Windows 2000. If you receive and open an HTML e-mail message that contains a particularly malformed Web address (URL), the URL can be used to exploit this vulnerability and run arbitrary code on your computer.

The HyperTerminal application is a utility that installs, by default, on all versions of Windows 98, 98SE, Windows ME, Windows NT, and Windows 2000. The product contains an unchecked buffer in a section of the code that processes Telnet URLs. If a user opened an HTML mail that contained a particularly malformed Telnet URL, it would result in a buffer overrun that could enable the creator of the mail to cause arbitrary code to run on the user?s system. HyperTerminal is the default Telnet client on Windows 98, 98SE and ME. However, it is not the default Telnet client on Windows 2000, and Windows 2000 users who have not taken steps to make it the default Telnet client would not be affected by the vulnerability. (Windows NT4.0 is not affected by this vulnerability. The HyperTerminal client that ships with Windows NT4 does not include a TCP/IP connection method. As such, the NT4 HyperTerminal client cannot be setup as the default telnet client, and would not launch in response to a supplied Telnet URL.)

The HyperTerminal application is a utility that installs, by default, on all versions of Windows 98, 98SE, Windows ME, Windows NT, and Windows 2000. The product contains an unchecked buffer in a section of the code that processes Telnet URLs. If a user opened an HTML mail that contained a particularly malformed Telnet URL, it would result in a buffer overrun that could enable the creator of the mail to cause arbitrary code to run on the user?s system. HyperTerminal is the default Telnet client on Windows 98, 98SE and ME. However, it is not the default Telnet client on Windows 2000, and Windows 2000 users who have not taken steps to make it the default Telnet client would not be affected by the vulnerability. (Windows NT4.0 is not affected by this vulnerability. The HyperTerminal client that ships with Windows NT4 does not include a TCP/IP connection method. As such, the NT4 HyperTerminal client cannot be setup as the default telnet client, and would not launch in response to a supplied Telnet URL.)

KevTerm is a software built as a powerful but simple telnet client.
The program emulates VT100/ANSI terminals. Standard functions include copy-and-paste data transfer, local echo, font selection, logging, macros, scroll back buffer and variable terminal screen size.

This patch eliminates a vulnerability in Microsoft Windows 98. The vulnerability can allow a malicious Web site or email message to crash your Windows machine or to run arbitrary code. There is a buffer overflow in the Windows 98 networking software that processes file name strings. If the networking software was provided with a very long random string of input, it could crash the machine. If it was provided with a specially malformed argument, it could be used to run arbitrary code on the machine via a classic buffer overrun attack.