Published:2018/08/06  Last Updated:2018/08/06

JVN#62121133
Multiple directory traversal vulnerabilities in AttacheCase

Overview

AttacheCase contains multiple directory traversal vulnerabilities.

Products Affected

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

Description

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.

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 Status

Vendor Status Last Update Vendor Notes
HiBARA Software Vulnerable 2018/08/06 HiBARA Software website

References

JPCERT/CC Addendum

Vulnerability Analysis by JPCERT/CC

CVSS v3 CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N
Base Score: 3.3
Attack Vector(AV) Physical (P) Local (L) Adjacent (A) Network (N)
Attack Complexity(AC) High (H) Low (L)
Privileges Required(PR) High (H) Low (L) None (N)
User Interaction(UI) Required (R) None (N)
Scope(S) Unchanged (U) Changed (C)
Confidentiality Impact(C) None (N) Low (L) High (H)
Integrity Impact(I) None (N) Low (L) High (H)
Availability Impact(A) None (N) Low (L) High (H)
CVSS v2 AV:N/AC:M/Au:N/C:N/I:P/A:N
Base Score: 4.3
Access Vector(AV) Local (L) Adjacent Network (A) Network (N)
Access Complexity(AC) High (H) Medium (M) Low (L)
Authentication(Au) Multiple (M) Single (S) None (N)
Confidentiality Impact(C) None (N) Partial (P) Complete (C)
Integrity Impact(I) None (N) Partial (P) Complete (C)
Availability Impact(A) None (N) Partial (P) Complete (C)

Credit

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.

Other Information

JPCERT Alert
JPCERT Reports
CERT Advisory
CPNI Advisory
TRnotes
CVE CVE-2018-0659
CVE-2018-0660
JVN iPedia JVNDB-2018-000090