CVE-2019-6024 in App
Summary
by MITRE
Rakuma App for Android version 7.15.0 and earlier, and for iOS version 7.16.4 and earlier allows an attacker to bypass authentication and obtain the user's authentication information via a malicious application created by the third party.
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Analysis
by VulDB Data Team • 03/17/2024
The vulnerability identified as CVE-2019-6024 affects the Rakuma mobile application ecosystem across both android and ios platforms, specifically targeting versions up to and including 7.15.0 for android and 7.16.4 for ios. This authentication bypass flaw represents a critical security weakness that allows malicious third-party applications to intercept and extract user authentication credentials. The vulnerability stems from insufficient security controls within the application's authentication flow, creating an avenue for unauthorized access to user accounts and sensitive personal information.
The technical implementation of this vulnerability involves a flaw in how the rakuma application handles authentication tokens and session management. Attackers can exploit this weakness through a specially crafted malicious application that leverages the legitimate application's communication protocols to capture authentication data. The flaw likely resides in improper input validation, inadequate token handling, or insufficient secure communication channel implementation. This allows attackers to manipulate the authentication process and obtain session tokens or credentials without proper authorization, effectively compromising user accounts.
The operational impact of this vulnerability extends beyond individual user account compromise to potentially affect the entire user base of the rakuma application. Successful exploitation could result in unauthorized access to personal data, financial information, and communication records associated with compromised accounts. The vulnerability creates a persistent threat vector that remains active as long as affected versions remain in use, potentially enabling large-scale credential theft and account takeover operations. Organizations relying on the application for business transactions or personal data management face significant risk of data breaches and reputational damage.
Mitigation strategies for this vulnerability require immediate application updates to versions that address the authentication bypass flaw. Organizations should implement comprehensive patch management procedures to ensure all affected devices receive security updates promptly. Additionally, users should be advised to update their applications immediately and avoid using third-party applications that may exploit this vulnerability. Security monitoring should be enhanced to detect unusual authentication patterns and potential credential harvesting attempts. The vulnerability aligns with CWE-287 which addresses authentication bypass issues, and represents a technique consistent with ATT&CK tactic T1566 related to credential access through social engineering and malicious applications. Network-level protections such as application firewalls and intrusion detection systems can help detect and prevent exploitation attempts while organizations should implement multi-factor authentication to reduce the impact of credential compromise.