JVN#52363223 Cybozu Garoon vulnerable to arbitrary script execution

Overview

Cybozu Garoon, a groupware from Cybozu, contains a vulnerability that allows an attacker to execute an arbitrary script when a user views RSS feed.

Products Affected

Cybozu Garoon version 2.0.0 - 2.1.3

Description

Cybozu Garoon, a groupware from Cybozu, contains a vulnerability that allows an attacker to execute an arbitrary script when a user views RSS feed.

Impact

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

Solution

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

Vendor Status

Vendor	Status	Last Update	Vendor Notes
Cybozu, Inc.	Vulnerable	2008/06/27

References

JPCERT/CC Addendum

The vendor has published information on this problem on April 14 2008.

Vulnerability Analysis by JPCERT/CC

Analyzed on 2008.06.27

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

Yoshiki Kawada of LAC (Little eArth Corporation) reported this vulnerability to IPA.
JPCERT/CC coordinated with the vendors under Information Security Early Warning Partnership.

Other Information

JPCERT Alert
JPCERT Reports
CERT Advisory
CPNI Advisory
TRnotes
CVE	CVE-2008-6570
JVN iPedia	JVNDB-2008-000035