HyperTerminal Buffer Overflow Vulnerability
A security vulnerability exists in the HyperTerminal application which allow a malicious user to execute arbitrary code on another user’s system.
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.
Software patches are available from the following locations:
- Windows 98 and 98SE:
- Windows Me:
Source: Microsoft Corporation
Reference: Microsoft Corporation
Updated: October 18, 2000
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