PT-1999-1799 · Microsoft · Internet Explorer

Published

1999-10-31

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Updated

2021-07-22

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CVE-1999-1577

CVSS v2.0

5.1

Medium

VectorAV:N/AC:H/Au:N/C:P/I:P/A:P
Name of the Vulnerable Software and Affected Versions: Internet Explorer versions 4.01 through 5
Description: The issue is related to a buffer overflow in the HHOpen ActiveX control, which allows remote attackers to execute arbitrary commands. This is achieved by passing long arguments to the OpenHelp method.
Recommendations: For Internet Explorer versions 4.01 through 5, consider disabling the HHOpen ActiveX control (hhopen.ocx) to prevent exploitation until a patch is available.

Exploit

Fix

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Related Identifiers

CVE-1999-1577

Affected Products

Internet Explorer