CVE-1999-1087

Severity

75%

Complexity

99%

Confidentiality

106%

Internet Explorer 4 treats a 32-bit number ("dotless IP address") in the a URL as the hostname instead of an IP address, which causes IE to apply Local Intranet Zone settings to the resulting web page, allowing remote malicious web servers to conduct unauthorized activities by using URLs that contain the dotless IP address for their server.

Internet Explorer 4 treats a 32-bit number ("dotless IP address") in the a URL as the hostname instead of an IP address, which causes IE to apply Local Intranet Zone settings to the resulting web page, allowing remote malicious web servers to conduct unauthorized activities by using URLs that contain the dotless IP address for their server.

CVSS 2.0 Base Score 7.5. CVSS Attack Vector: network. CVSS Attack Complexity: low. CVSS Vector: (AV:N/AC:L/Au:N/C:P/I:P/A:P).

Overview

First reported 25 years ago

1999-12-31 05:00:00

Last updated 6 years ago

2018-10-12 21:29:00

Affected Software

Microsoft Internet Explorer 4.0

4.0

Microsoft Internet Explorer 4.0.1

4.0.1

Microsoft Internet Explorer 4.0.1 SP1

4.0.1

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