Vulnerability Description
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 Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Microsoft | Internet Explorer | 4.0 |
References
- http://support.microsoft.com/support/kb/articles/q168/6/17.aspPatchVendor Advisory
- http://www.microsoft.com/Windows/Ie/security/dotless.asp
- http://www.osvdb.org/7828
- https://docs.microsoft.com/en-us/security-updates/securitybulletins/1998/ms98-01
- https://exchange.xforce.ibmcloud.com/vulnerabilities/2209
- http://support.microsoft.com/support/kb/articles/q168/6/17.aspPatchVendor Advisory
- http://www.microsoft.com/Windows/Ie/security/dotless.asp
- http://www.osvdb.org/7828
- https://docs.microsoft.com/en-us/security-updates/securitybulletins/1998/ms98-01
- https://exchange.xforce.ibmcloud.com/vulnerabilities/2209
FAQ
What is CVE-1999-1087?
CVE-1999-1087 is a vulnerability with a CVSS score of 7.5 (HIGH). 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...
How severe is CVE-1999-1087?
CVE-1999-1087 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-1999-1087?
Check the references section above for vendor advisories and patch information. Affected products include: Microsoft Internet Explorer.