CVE-1999-1087
Published: 1999-12-31
Last Modified: 2021-07-22
CVE Author: NIST National Vulnerability Database
CVE Assigner: cve@mitre.org
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.
| Severity | High |
| Base Score | 7.5/10 |
| Exploit Score | 10/10 |
| Access Vector | Network |
| Access Complexity | Low |
| Authentication | None |
| Impact Score | 6.4/10 |
| Confidentiality Impact | Partial |
| Availability Impact | Partial |
| Integrity Impact | Partial |
| Vector String | AV:N/AC:L/Au:N/C:P/I:P/A:P |
NIST has not assigned a CVSSv3.1 Score.
| CPE | Vulnerable | Start | Excluding |
|---|---|---|---|
| cpe:2.3:a:microsoft:internet_explorer:4.0:*:*:*:*:*:*:* | Yes | - | - |
| cpe:2.3:a:microsoft:internet_explorer:4.0.1:*:*:*:*:*:*:* | Yes | - | - |
| cpe:2.3:a:microsoft:internet_explorer:4.0.1:sp1:*:*:*:*:*:* | Yes | - | - |
http://support.microsoft.com/support/kb/articles/q168/6/17.asp
http://www.microsoft.com/Windows/Ie/security/dotless.asp
http://www.osvdb.org/7828
https://exchange.xforce.ibmcloud.com/vulnerabilities/2209
https://docs.microsoft.com/en-us/security-updates/securitybulletins/1998/ms98-016
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