Lhasa may insecurely load executable files


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

Lhasa is a file extraction software that supports LZH and ZIP formats. Lhasa loads certain executables (.exe) when extracting files. Lhasa 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

Yoshihito Takemura
  • Lhasa ver0.19 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

Yoshihito Takemura
CWE (What is CWE?)

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

  1. CVE-2010-2369

  1. JVN : JVN#88850043
  2. National Vulnerability Database (NVD) : CVE-2010-2369
  3. IPA SECURITY ALERTS : Security Alert for Vulnerability in Lhasa
  4. US-CERT Technical Cyber Security Alert : TA10-238A
Revision History

  • [2010/10/18]
      Web page published