J-Security Center

Title: Microsoft Internet Explorer Remote File Viewing Vulnerability

Severity: HIGH

Description:

A vulnerability has been discovered in Microsoft Internet Explorer which may disclose files from a web user's local system. Disclosed files will be of a type that is readily viewable via a web browser(HTML, TXT, GIF, JPG, etc.).

A webpage may be constructed which can cause information to be shared by two seperate Internet Explorer windows. One window is capable of displaying the contents in another. This may be used maliciously to open one window in the website's domain and another window in the web user's local file system.

The path to a known, existing file is implicit to successful exploitation of this issue to divulge sensitive information. Active Scripting must also be enabled in the browser of the web user for this issue to be exploited.

It is not possible to execute, create, modify or delete files in this manner.

This issue is a variation of the "Frame Domain Verification Vulnerability" that is discussed in Microsoft Security Bulletin MS01-015/CAN-2001-0002/BugTraq ID 2456.

Affected Products:

  • Microsoft Internet Explorer 5.5
  • Microsoft Internet Explorer 5.5 SP1
  • Microsoft Internet Explorer 5.5 SP2
  • Microsoft Internet Explorer 6.0
  • Microsoft Windows ME
  • Microsoft Windows Server 2003 Datacenter Edition
  • Microsoft Windows Server 2003 Datacenter Edition Itanium
  • Microsoft Windows Server 2003 Enterprise Edition
  • Microsoft Windows Server 2003 Enterprise Edition Itanium
  • Microsoft Windows Server 2003 Standard Edition
  • Microsoft Windows Server 2003 Web Edition
  • Microsoft Windows XP Home
  • Microsoft Windows XP Professional

References:

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