Published:2010/10/20  Last Updated:2010/10/20

Explzh may insecurely load executable files


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

Products Affected

  • Explzh Ver.5.67 and earlier


Explzh is a file compression/extraction software supporting multiple file formats. Explzh loads certain executables (.exe) when extracting files. Explzh contains an issue with the file search path, which may insecurely load executables.


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


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

Vendor Status

Vendor Status Last Update Vendor Notes
pon software vulnerable 2010/10/20


JPCERT/CC Addendum

Vulnerability Analysis by JPCERT/CC

Analyzed on 2010.10.20

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 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 suspiciouse
  • High

Description of each analysis measures


Makoto Shiotsuki 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-2010-3159
JVN iPedia JVNDB-2010-000043

Update History

Published in English