Published:2011/11/08  Last Updated:2011/11/08

Iwate Portal Bar vulnerable to arbitrary script execution


Iwate Portal Bar is vulnerable to arbitrary script execution.

Products Affected

  • Iwate Portal Bar


Iwate Portal Bar is an add-on to Internet Explorer that adds a toolbar and provides multiple functions. The RSS/Atom feed reader function in Iwate Portal Bar is vulnerable to arbitrary script execution due to the improper processing during HTML page output based on feed information.


An arbitrary script may be executed on the user's Internet Explorer.


Do not use Iwate Portal Bar
Please stop use of Iwate Portal Bar according to the information provided by the developer.
The developer has stopped distributing the product.

Vendor Status

Vendor Link
IBC Iwate Broadcasting Iwate Portal Bar (Japanese only)


JPCERT/CC Addendum

This JVN publication was delayed to 2011/11/08 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 2011.11.08

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 the user must be convinced to take a difficult or suspicious action. If the honest user must have elevated privileges, they are likely to be more suspiciouse
  • High

Description of each analysis measures


Daiki Fukumori of Cyber Defense Institute, Inc. 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
CVE CVE-2011-3999
JVN iPedia JVNDB-2011-000098