Published:2017/01/16  Last Updated:2017/01/16

JVN#83917769
AttacheCase vulnerable to directory traversal

Overview

AttacheCase contains a directory traversal vulnerability.

Products Affected

  • AttacheCase ver.2.8.2.8 and earlier
  • AttacheCase ver.3.2.0.4 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.

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 2017/01/16 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

Kazuki Furukawa reported this 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-2016-7842
JVN iPedia JVNDB-2017-000008