JVN#92651529 Nucleus EUC-JP Japanese Edition vulnerable to cross-site scripting

Overview

Nucleus from The Nucleus Group contains a cross-site scripting vulnerability.

Products Affected

Nucleus v3.31 SP1 EUC-JP Japanese Edition and earlier

According to the developer, it is confirmed that this vulnerability exist in Nucleus EUC-JP only, and Nucleus UTF-8 Japanese Edition and Nucleus English Edition are not affected.
For more information, refer to the developer's website.

Description

Nucleus is an open source content management system provided by The Nucleus Group. Nucleus EUC-JP Japanese Edition contains a cross-site scripting vulnerability.

Impact

An arbitrary script may be executed on the specific web browser.

Solution

Update the Software
Apply the latest update provided by the developer.

Vendor Status

Vendor	Link
The Nucleus Group	About the release of Nucleus v3.31 SP2 EUC-JP

References

JPCERT/CC Addendum

Vulnerability Analysis by JPCERT/CC

Analyzed on 2008.10.06

Measures	Conditions	Severity
Access Required	Routed - can be attacked over the Internet using packets	High
Authentication	None - anonymous or no authentication (IP addresses do not count)	High
User Interaction Required	Simple - 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	Medium
Exploit Complexity	Low - little to no expertise and/or luck required to exploit (cross-site scripting)	High

Description of each analysis measures

Credit

Gaku Mochizuki of Mitsui Bussan Secure Directions, Ltd. reported this vulnerability to IPA.
JPCERT/CC coordinated with the developer under Information Security Early Warning Partnership.

Other Information

JPCERT Alert
JPCERT Reports
CERT Advisory
CPNI Advisory
TRnotes
CVE	CVE-2008-4446
JVN iPedia	JVNDB-2008-000066