A vulnerability was found in Microsoft Internet Explorer 3.01 (Web Browser) and classified as critical. This issue affects an unknown code block of the component ISP File Handler. The manipulation with an unknown input leads to a privileges management vulnerability. Using CWE to declare the problem leads to CWE-269. The product does not properly assign, modify, track, or check privileges for an actor, creating an unintended sphere of control for that actor. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

internet explorer 3.01 on windows 95 allows remote malicious web sites to execute arbitrary commands via a .isp file which is automatically downloaded and executed without prompting the user.

The issue has been introduced in 10/01/1996. The weakness was published 03/01/1997 (Website). The advisory is shared at members.tripod.com. The identification of this vulnerability is CVE-1999-1128. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. It demands that the victim is doing some kind of user interaction. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1068 for this issue.

The vulnerability was handled as a non-public zero-day exploit for at least 151 days. During that time the estimated underground price was around $25k-$100k.

Upgrading to version 4.0, 5.0, 5.5 or 6.0 eliminates this vulnerability.

oliver.efri.hr is providing further details.

Productinfo

Type

• Web Browser

Vendor

• Microsoft

Name

• Internet Explorer

Version

• 3.01

License

• commercial

Support

• end of life

CPE 2.3info

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CPE 2.2info

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