Published:2011/08/12  Last Updated:2011/08/12

Internet Explorer window display vulnerability


Internet Explorer contains a vulnerability where the window display may be forged.

Products Affected

  • Internet Explorer 6 and earlier


Internet Explorer contains an issue with rendering window displays, which may lead to a window display being forged.


This vulnerability could be leveraged to forge the contents of the address bar for phishing attacks.


Upgrade the Software
Upgrade to the latest version according to the information provided by the developer.

Microsoft has published "Phishing scams that target activities, interests, or news events".

Vendor Status

Vendor Status Last Update Vendor Notes
Microsoft Japan Co.,Ltd. vulnerable 2011/08/12 Microsoft Japan Co.,Ltd. website


JPCERT/CC Addendum

This JVN publication was delayed to 2011/08/12 after the developer fix was developed. From the fiscal year 2011, JPCERT/CC is using a new vendor coordination procedure. This new procedure came from the recommendation of the fiscal year 2010 "Study Group on Information System Vulnerability Handling" aimed at more timely JVN publications.

Vulnerability Analysis by JPCERT/CC

Analyzed on 2011.08.12

Measures Conditions Severity
Access Required can be attacked over the Internet using packets
  • High
Authentication anonymous or no authentication (IP addresses do not count)
  • High
User Interaction Required the user must be convinced to take a standard action that does not feel harmful to most users, such as click on a link or view a file
  • Mid
Exploit Complexity some expertise and/or luck required (most buffer overflows, guessing correctly in small space, expertise in Windows function calls)
  • Mid-High

Description of each analysis measures


hoshikuzu|star_dust reported this vulnerability to IPA.
JPCERT/CC coordinated with the developer under Information Security Early Warning Partnership.

Other Information

JPCERT Reports
CERT Advisory
CPNI Advisory
JVN iPedia JVNDB-2011-000061