Lhaplus vulnerable to remote code execution


Lhaplus is a file compression/decompression software. Lhaplus contains a remote code execution vulnerability.

Masato Kinugawa 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 1.59 and earlier


Decompressing a specially crafted file name may result in an arbitrary code execution.

[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-noinfo) [IPA Evaluation]
CVE (What is CVE?)

  1. CVE-2015-0907

  1. JVN : JVN#12329472
  2. National Vulnerability Database (NVD) : CVE-2015-0907
  3. IPA SECURITY ALERTS : Security Alert for Vulnerability in Lhaplus (JVN#12329472) (in Japanese)
Revision History

  • [2015/04/09]
      Web page was published
      References : Content was added