[Japanese]

JVNDB-2017-000187

Installer of LhaForge may insecurely load Dynamic Link Libraries

Overview

LhaForge is a file compression/decompression software. The installer of LhaForge contains an issue with the DLL search path, which may lead to insecurely loading Dynamic Link Libraries (CWE-427).

Eili Masami of Tachibana Lab. reported this vulnerability to IPA.
JPCERT/CC coordinated with the developer under Information Security Early Warning Partnership.
CVSS Severity (What is CVSS?)

Base Metrics: 6.8 (Medium) [IPA Score]
  • Access Vector: Network
  • Access Complexity: Medium
  • Authentication: None
  • Confidentiality Impact: Partial
  • Integrity Impact: Partial
  • Availability Impact: Partial

CVSS V3 Severity:
Base Metrics: 7.8 (High) [IPA Score]
  • Attack Vector: Local
  • Attack Complexity: Low
  • Privileges Required: None
  • User Interaction: Required
  • Scope: Unchanged
  • Confidentiality Impact: High
  • Integrity Impact: High
  • Availability Impact: High
Affected Products


Claybird
  • LhaForge Ver.1.6.5 and earlier

Impact

Arbitrary code may be executed with the privilege of the user invoking the installer.
Solution

[Use the latest installer]
Use the latest installer according to the information provided by the developer.
Users who already have installed LhaForge do not need to re-install the software, because this issue affects the installer only.
Vendor Information

Claybird
CWE (What is CWE?)

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

  1. CVE-2017-2288
References

  1. JVN : JVN#74554973
  2. JVN : JVNTA#91240916
Revision History

[2017/07/27]
  Web page was published