Published:2013/02/14  Last Updated:2013/02/14

GREE for Android vulnerable to directory traversal


GREE for Android contains a directory traversal vulnerability.

Products Affected

  • GREE versions prior to 1.3.3


GREE for Android contains an issue in handling URL inputs, which may result in a directory traversal vulnerability.


If a user of the affected product uses another malicious Android application, information managed by the affected product may be disclosed.


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

According to the developer, this vulnerability was addressed in GREE 1.3.3 (released to Google Play on 2011/11/30).

Vendor Status


JPCERT/CC Addendum

Vulnerability Analysis by JPCERT/CC

Analyzed on 2013.02.14

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 difficult or suspicious action. If the honest user must have elevated privileges, they are likely to be more suspicious
  • Low
Exploit Complexity expertise and/or luck required (guessing correctly in medium-sized space, kernel expertise)
  • Low-Mid

Description of each analysis measures


This analysis assumes that the user is tricked into installing a malicious application.


Takeshi Terada of Mitsui Bussan Secure Directions, Inc. 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-2013-0704
JVN iPedia JVNDB-2013-000010