Published:2013/02/07  Last Updated:2013/02/07

mora Downloader may insecurely load executable files


mora Downloader may use unsafe methods for determining how to load executables (.exe)

Products Affected

  • mora Downloader ver.


mora Downloader contains an issue in the file search path when loading files, which may insecurely load executables or other files.


An attacker may execute arbitrary code with the privilege of the running application.


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

According to the developer, the product is automatically updated when the application is used without user interaction.

Vendor Status


JPCERT/CC Addendum

Vulnerability Analysis by JPCERT/CC

Analyzed on 2013.02.07

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


Kazuhiko Kusano of Graduate School of Information Sciences, Tohoku University 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-2012-5188
JVN iPedia JVNDB-2013-000006