Published:2011/10/11  Last Updated:2011/10/25

JVN#89764731
WEB FORUM vulnerable to cross-site scripting

Overview

WEB FORUM provided by KENT-WEB contains a cross-site scripting vulnerability.

Products Affected

  • WEB FORUM prior to 5.1

Description

WEB FORUM provided by KENT-WEB is a bulletin board software. WEB FORUM contains a vulnerability in handling cookies, which may result in cross-site scripting.

Impact

An arbitrary script may be executed on the user's web browser.

Solution

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

Vendor Status

Vendor Link
WebCreate Ltd WEB FORUM (Japanese only)

References

JPCERT/CC Addendum

Vulnerability Analysis by JPCERT/CC

Analyzed on 2011.10.11

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 large amount of expertise and/or luck required (BIOS expertise, guessing correctly in a large space)
  • Low

Description of each analysis measures

Credit

ISHIBASHI,Tsuyoshi of Mitsui Bussan Secure Directions, Inc. reported this vulnerability to IPA.
JPCERT/CC coordinated with the vendor under Information Security Early Warning Partnership.

Other Information

JPCERT Alert
JPCERT Reports
CERT Advisory
CPNI Advisory
TRnotes
CVE CVE-2011-3983
JVN iPedia JVNDB-2011-000081

Update History

2011/10/20
Information under "Products Affected" was updated.
2011/10/25
Information under "Products Affected" was updated.