Hyperterminal, the default telnet program on Windows 98, contains a buffer overflow vulnerability. It is possible to exploit via IE using a long telnet: URL.
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The ICQ Greeting Card service allows HTML commands to be sent to the target user. Any malicious HTML such as file:///c:/con/con can crash the system or exploit other HTML based vulnerabilities.
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ICQ Web Front Remote denial of service vulnerability - ICQ 2000a, 99b, and 99a contain a vulnerability in the personal web server. Guestbook.cgi, installed by default, crashes when sent a long name.
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Simpsons CGI Scanner v1.1 - Windows based CGI / web server vulnerability scanner with a simpsons theme. Tested on Windows 95/98/2000/NT. Allows use of your own CGI database.
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