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.

JVN#89764731 WEB FORUM vulnerable to cross-site scripting