Published:2013/06/18  Last Updated:2013/06/18

JVN#63428218
Cybozu Live for Android vulnerable to arbitrary Java method execution

Overview

Cybozu Live for Android contains an arbitrary Java method execution vulnerability.

Products Affected

  • Cybozu Live for Android version 2.0.0

Description

Cybozu Live for Android is a client software for Cybozu Live. Cybozu Live for Android contains an arbitrary Java method execution vulnerability.

Note that this vulnerability is a regression in version 2.0.0 of the issue in JVN#23009798.

Impact

When opening a specially crafted website, an attacker may be able to execute an arbitrary Java method. As a result, information stored in Android devices may be obtained or arbitrary OS commands may be executed.

Solution

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

Vendor Status

Vendor Status Last Update Vendor Notes
Cybozu, Inc. Vulnerable 2013/06/18 Cybozu, Inc. website

References

  1. Japan Vulnerability Notes JVN#23009798
    Cybozu Live for Android vulnerable to arbitrary Java method execution

JPCERT/CC Addendum

Vulnerability Analysis by JPCERT/CC

Analyzed on 2013.06.18

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

Credit

Gaku Mochizuki of Mitsui Bussan Secure Directions, Inc. reported this vulnerability to the developer.
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-2013-3646
JVN iPedia JVNDB-2013-000059