Published:2012/03/05  Last Updated:2012/03/05

ES File Explorer fails to restrict access permissions


ES File Explorer provided by EStrongs, Inc. contains an issue where access permissions are not restricted.

Products Affected

  • ES File Explorer versions through


ES File Explorer provided by EStrongs Inc. is a file and application manager. ES File Explorer contains an issue where access permissions are not restricted.


When using a specific function, a remote attacker may obtain local files that the application has permissions to view.


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

Vendor Status


JPCERT/CC Addendum

Vulnerability Analysis by JPCERT/CC

Analyzed on 2012.03.05

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


Shiongu of satoweb and Masafumi Horimoto of HOLLY & Co., Ltd. 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-2012-0322
JVN iPedia JVNDB-2012-000020