Lhaplus may insecurely load executable files


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

Lhaplus is a file compression/extraction software supporting multiple file formats. Lhaplus loads certain executables (.exe) when extracting files. Lhaplus contains 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 6.8 (Medium) [IPA Score]
  • Access Vector: Network
  • Access Complexity: Medium
  • Authentication: None
  • Confidentiality Impact: Partial
  • Integrity Impact: Partial
  • Availability Impact: Partial
Affected Products

  • Lhaplus Version 1.57 and earlier


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 Information

CWE (What is CWE?)

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

  1. CVE-2010-3158

  1. JVN : JVN#18774708
  2. National Vulnerability Database (NVD) : CVE-2010-3158
  3. US-CERT Technical Cyber Security Alert : TA10-238A
  4. Secunia Advisory : SA41742
Revision History

  • [2010/10/20]
      Web page published