[Japanese]

JVNDB-2021-000029

Archive collectively operation utility vulnerable to directory traversal

Overview

Archive collectively operation utility provided by EikiSoft contains a directory traversal vulnerability (CWE-22) due to a flaw in the processing of the filenames when extracting from ZIP archives.

apple502j reported this vulnerability to IPA.
JPCERT/CC coordinated with the developer under Information Security Early Warning Partnership.
CVSS Severity (What is CVSS?)

CVSS V3 Severity:
Base Metrics 3.3 (Low) [IPA Score]
  • Attack Vector: Local
  • Attack Complexity: Low
  • Privileges Required: None
  • User Interaction: Required
  • Scope: Unchanged
  • Confidentiality Impact: None
  • Integrity Impact: Low
  • Availability Impact: None
CVSS V2 Severity:
Base Metrics 4.3 (Medium) [IPA Score]
  • Access Vector: Network
  • Access Complexity: Medium
  • Authentication: None
  • Confidentiality Impact: None
  • Integrity Impact: Partial
  • Availability Impact: None
Affected Products


EikiSoft
  • Archive collectively operation utility 2.10.1.0 and earlier

Impact

By expanding a malicious ZIP archive, arbitrary files may be created or overwritten with the application's privilege.
Solution

[Update the Software]
Update the software to the latest version according to the information provided by the developer.
Vendor Information

EikiSoft
CWE (What is CWE?)

  1. Path Traversal(CWE-22) [IPA Evaluation]
CVE (What is CVE?)

  1. CVE-2021-20692
References

  1. JVN : JVN#73236007
  2. National Vulnerability Database (NVD) : CVE-2021-20692
Revision History

  • [2021/04/01]
      Web page was published

Date Public2021/04/01
Date First Published2021/04/01
Date Last Updated2021/04/01