Published:2011/06/24  Last Updated:2011/06/24

Multiple Cybozu products vulnerable to cross-site scripting


Multiple products provided by Cybozu, Inc. contain a cross-site scripting vulnerability.

Products Affected

  • Cybozu Office 6
  • Cybozu Garoon version 2.0.0 to 2.1.3


Multiple groupware provided by Cybozu, Inc. contain a cross-site scripting vulnerability due to an issue when downloading graphic files from the bulletin board system.


An arbitrary script may be executed on the web browser of an user who is logged on.


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


JPCERT/CC Addendum

This JVN publication was delayed to 2011/06/24 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 2011.06.24

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


Sen UENO of Tricorder Co. Ltd. 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-2011-1333
JVN iPedia JVNDB-2011-000045