Published:2014/06/17  Last Updated:2014/06/17

050 plus for Android information management vulnerability


050 plus for Android contains an information management vulnerability.

Products Affected

  • 050 plus for Android 4.2.0 and earlier


050 plus provided by NTT Communications is an IP phone application for smartphones. 050 plus for Android contains an information management vulnerability that outputs some pieces of information stored by the product to a system log file on the device.


Android applications with permissions to read system log files may obtain log information stored by the product.


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

Note that information stored in the system log may not be deleted by software update. Please be aware when installing an application that is capable of reading log files on the device.

Vendor Status

Vendor Status Last Update Vendor Notes
NTT Communications Corporation Vulnerable 2014/06/17


JPCERT/CC Addendum

Vulnerability Analysis by JPCERT/CC

Analyzed on 2014.06.17 (CVSS Base Metrics)

What is CVSS?

Measures Severity Description
Access Vector(AV) Local (L) Adjacent Network (A) Network (N) A vulnerability exploitable with network access means the vulnerable software is bound to the network stack and the attacker does not require local network access or local access. Such a vulnerability is often termed "remotely exploitable".
Access Complexity(AC) High (H) Medium (M) Low (L) Specialized access conditions exist.
Authentication(Au) Multiple (M) Single (S) None (N) Authentication is not required to exploit the vulnerability.
Confidentiality Impact(C) None (N) Partial (P) Complete (C) There is considerable informational disclosure. Access to some system files is possible, but the attacker does not have control over what is obtained, or the scope of the loss is constrained.
Integrity Impact(I) None (N) Partial (P) Complete (C) There is no impact to the integrity of the system.
Availability Impact(A) None (N) Partial (P) Complete (C) There is no impact to the availability of the system.

Base Score:2.6


This analysis assumes that the user is tricked into installing an application to obtain data that the product outputs.


Ryo SATO 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-2014-2000
JVN iPedia JVNDB-2014-000049