Lunascape may insecurely load executable files


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

Lunascape is a web browser. Lunascape loads certain executables when using the "script" function. Lunascape contain an issue with the file search path, which may insecurely load executables.

Makoto Shiotsuki reported this vulnerability to IPA.
JPCERT/CC coordinated with the developer under Information Security Early Warning Partnership.
CVSS Severity (What is CVSS?)

CVSS V2 Severity:
Base Metrics 5.1 (Medium) [IPA Score]
  • Access Vector: Network
  • Access Complexity: High
  • Authentication: None
  • Confidentiality Impact: Partial
  • Integrity Impact: Partial
  • Availability Impact: Partial
Affected Products

  • Lunascape 6.4.2 and earlier


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.

This issue was resolved in Lunascape 6.4.3.
Vendor Information

CWE (What is CWE?)

  1. No Mapping(CWE-Other) [IPA Evaluation]
CVE (What is CVE?)

  1. CVE-2011-0452

  1. JVN : JVN#38362957
  2. National Vulnerability Database (NVD) : CVE-2011-0452
  3. Secunia Advisory : SA43441
  4. ISS X-Force Database : 65592
Revision History

  • [2011/02/23]
      Web page published