[Japanese]

JVNDB-2018-000090

Multiple directory traversal vulnerabilities in AttacheCase

Overview

AttacheCase is an open source file encryption software provided by HiBARA Software. AttacheCase contains a directory traversal vulnerability (CWE-22) due to a flaw in processing filenames in ATC files.

Taizoh Tsukamoto of Mitsui Bussan Secure Directions, Inc. reported CVE-2018-0660 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


HiBARA Software
  • AttacheCase ver.3.2.3.0 and earlier
  • AttacheCase ver.2.8.3.0 and earlier

Impact

* Decrypting a crafted ATC file may result in creation of an arbitrary file or overwriting of an existing file - CVE-2018-0659
* Decrypting a crafted ATC file may result in creation of an arbitrary file - CVE-2018-0660
Solution

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

HiBARA Software
CWE (What is CWE?)

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

  1. CVE-2018-0659
  2. CVE-2018-0660
References

  1. JVN : JVN#62121133
Revision History

  • [2018/08/06]
      Web page was published