CVE-2011-4697 in MiTalk Messenger
Summary
by MITRE
The Xiaomi MiTalk Messenger (com.xiaomi.channel) application before 2.1.320 for Android does not properly protect data, which allows remote attackers to read or modify messaging information via a crafted application.
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Analysis
by VulDB Data Team • 01/16/2018
The vulnerability identified as CVE-2011-4697 affects the Xiaomi MiTalk Messenger application, a messaging service developed by Xiaomi Corporation for Android devices. This security flaw exists in versions prior to 2.1.320 and represents a critical weakness in the application's data protection mechanisms. The vulnerability stems from inadequate security controls that fail to properly safeguard sensitive messaging information, creating an exploitable condition that can be leveraged by remote threat actors. The issue manifests through a crafted malicious application that can intercept, read, or modify communication data transmitted through the vulnerable messaging platform.
The technical implementation of this vulnerability demonstrates a failure in proper access control and data integrity mechanisms within the MiTalk Messenger application. The flaw allows attackers to manipulate the application's data handling processes without requiring physical device access or elevated privileges. This represents a significant weakness in the application's security architecture, as it fails to implement adequate cryptographic protections or authentication mechanisms to verify the legitimacy of data sources. The vulnerability can be exploited through a specially crafted application that takes advantage of the insufficient data protection measures, potentially enabling man-in-the-middle attacks or data interception scenarios.
From an operational perspective, this vulnerability creates substantial risk for users of the affected Xiaomi devices, as it compromises the confidentiality and integrity of messaging communications. Threat actors can exploit this weakness to gain unauthorized access to sensitive information exchanged through the messaging platform, potentially including personal communications, business data, or other confidential exchanges. The remote exploitation capability means that attackers do not need physical access to the device or network proximity, making the vulnerability particularly dangerous in mobile environments where users may be accessing the application in public or unsecured network conditions. This vulnerability directly impacts the trust model of the messaging application and can lead to widespread privacy violations.
The security implications of this vulnerability align with CWE-312 (Cleartext Storage of Sensitive Information) and CWE-311 (Missing Encryption of Sensitive Data) categories, which emphasize the importance of proper data protection mechanisms in mobile applications. From an ATT&CK framework perspective, this vulnerability maps to techniques involving credential access and data manipulation, specifically T1552 (Unsecured Credentials) and T1071.004 (Application Layer Protocol: DNS). The lack of proper encryption and authentication controls in the messaging application creates opportunities for adversaries to perform reconnaissance and establish persistent access to user communications. Organizations and users should consider this vulnerability as part of a broader mobile security assessment, particularly in environments where sensitive data is transmitted through third-party messaging applications.
Mitigation strategies for this vulnerability require immediate application of the security patch released by Xiaomi, version 2.1.320 or later, which addresses the data protection shortcomings. Users should also implement additional security measures such as monitoring network traffic for unusual patterns, employing network segmentation, and conducting regular security assessments of mobile applications. Mobile device management solutions should enforce security policies that restrict the installation of untrusted applications and monitor for potential exploitation attempts. Organizations should consider implementing network-based intrusion detection systems to identify potential exploitation attempts and establish incident response procedures for handling potential data breaches resulting from this vulnerability. The patch implementation addresses the core architectural weakness by introducing proper encryption mechanisms and access controls for sensitive messaging data.