A vulnerability classified as critical has been found in JR East Japan Train Operation Information Push Notification App up to 1.2.4 on Android (Android App Software). This affects an unknown part of the component Access Restriction. The manipulation with an unknown input leads to a access control vulnerability. CWE is classifying the issue as CWE-284. The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

JR East Japan train operation information push notification App for Android version 1.2.4 and earlier allows remote attackers to bypass access restriction to obtain or alter the user's registered information via unspecified vectors.

The bug was discovered 04/01/2019. The weakness was presented 05/17/2019. This vulnerability is uniquely identified as CVE-2019-5954 since 01/10/2019. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. The technical details are unknown and an exploit is not publicly available. The attack technique deployed by this issue is T1068 according to MITRE ATT&CK.

The vulnerability was handled as a non-public zero-day exploit for at least 46 days. During that time the estimated underground price was around $0-$5k.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

Productinfo

Type

• Android App Software

Vendor

• JR East

Name

• Japan Train Operation Information Push Notification App

Version

• 1.2.0
• 1.2.1
• 1.2.2
• 1.2.3
• 1.2.4

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CPE 2.2info

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