Published:2014/02/26  Last Updated:2014/02/26

JVN#24035499
Cybozu Garoon vulnerable to session management

Overview

Cybozu Garoon contains a vulnerability in session management.

Products Affected

  • Cybozu Garoon  2.5.4 and earlier
  • Cybozu Garoon  3.7 Service Pack 3 and earlier

Description

Cybozu Garoon provided by Cybozu, Inc. is a groupware. Cybozu Garoon contains a vulnerability in session management.

Impact

A user who can log in to the product may impersonate an arbitrary user. As a result, information may be altered or disclosed.

Solution

For Cybozu Garoon 3.7:
Apply the Patch
Apply the appropriate patch according to the information provided by the developer.

For Cybozu Garoon 3.5 and earlier and Cybozu Garoon 2.5.4 and earlier:
Update the Software and apply the patch
Update to the latest version, and then apply the appropriate patch according to the information provided by the developer.

Vendor Status

Vendor Status Last Update Vendor Notes
Cybozu, Inc. Vulnerable 2014/02/26 Cybozu, Inc. website

References

JPCERT/CC Addendum

Vulnerability Analysis by JPCERT/CC

Analyzed on 2014.02.26

Measures Conditions Severity
Access Required can be attacked over the Internet using packets
  • High
Authentication login caused to be created by an administrator
  • Low-Mid
User Interaction Required the vulnerability can be exploited without an honest user taking any action
  • High
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

Credit

Other Information

JPCERT Alert
JPCERT Reports
CERT Advisory
CPNI Advisory
TRnotes
CVE CVE-2014-0817
JVN iPedia JVNDB-2014-000021