Published:2023/06/30  Last Updated:2023/06/30

JVN#32739265
"NewsPicks" App uses a hard-coded API key for an external service

Overview

"NewsPicks" App uses a hard-coded API key for an external service.

Products Affected

  • "NewsPicks" App for Android versions 10.4.5 and earlier
  • "NewsPicks" App for iOS versions 10.4.2 and earlier

Description

"NewsPicks" App for Android and "NewsPicks" App for iOS provided by NewsPicks, Inc. use a hard-coded API key for an external service (CWE-798).

Impact

Data in the app may be analyzed and API key for an external service may be obtained.
Note that the users of the app are not directly affected by this vulnerability.

Solution

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

According to the developer, the latest app does not hard-code the API key.
Also the vulnerable API key has been deactivated, and therefore the information contained in the vulnerable app cannot be abused.

References

JPCERT/CC Addendum

Vulnerability Analysis by JPCERT/CC

CVSS v3 CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Base Score: 4.0
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:L/AC:L/Au:N/C:P/I:N/A:N
Base Score: 2.1
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

Sunagawa Masanori of BroadBand Security, Inc. 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-2023-28387
JVN iPedia JVNDB-2023-000068