Cybozu Live for Android vulnerable to arbitrary Java method execution


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.

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.
CVSS Severity (What is CVSS?)

CVSS V2 Severity:
Base Metrics 5.8 (Medium) [IPA Score]
  • Access Vector: Network
  • Access Complexity: Medium
  • Authentication: None
  • Confidentiality Impact: Partial
  • Integrity Impact: Partial
  • Availability Impact: None
Affected Products

Cybozu, Inc.
  • Cybozu Live for Android version 2.0.0


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.

[Update the software]
Update to the latest version according to the information provided by the developer.
Vendor Information

Cybozu, Inc.
CWE (What is CWE?)

  1. No Mapping(CWE-DesignError) [IPA Evaluation]
CVE (What is CVE?)

  1. CVE-2013-3646

  1. JVN : JVN#63428218
  2. JVN : JVN#23009798
  3. National Vulnerability Database (NVD) : CVE-2013-3646
Revision History

  • [2013/06/18]
      Web page was published
      References : Content was added