Published:2019/05/10  Last Updated:2019/05/10

JVN#87655507
CREATE SD official App for Android fails to restrict access permissions

Overview

CREATE SD official App for Android fails to restrict access permissions.

Products Affected

  • CREATE SD official App for Android version 1.0.2 and earlier

Description

CREATE SD official App for Android provided by CREATE S・D CO., LTD. implements the function to access a requested URL using an Intent.  This function contains an improper access control vulnerability (CWE-284) that may allow the vulnerable App to receive an Intent from an arbitrary App and to access an arbitrary URL requested by an Intent.

Impact

A remote attacker may lead a user to access an arbitrary website via the vulnerable App.  As a result, the user may become a victim of a phishing attack.

Solution

Update the Application
Update the application to the latest version according to the information provided by the developer.

Vendor Status

Vendor Status Last Update Vendor Notes
CREATE S・D CO., LTD. Vulnerable 2019/05/10 CREATE S・D CO., LTD. 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:H/Au:N/C:N/I:P/A:N
Base Score: 2.6
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)

Comment

This analysis assumes that the user has installed an application which is created to use/operate the vulnerable App.

Credit

Norio Abe 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-2019-5955
JVN iPedia JVNDB-2019-000024