CVE-2012-1243 in Twitrocker2 Android
Summary
by MITRE
The TwitRocker2 application before 1.0.23 for Android does not properly implement the WebView class, which allows remote attackers to obtain sensitive information via a crafted application.
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Analysis
by VulDB Data Team • 12/01/2021
The TwitRocker2 application vulnerability represents a critical security flaw in Android mobile applications that stems from improper implementation of the WebView component. This vulnerability affects versions prior to 1.0.23 and exposes sensitive information through maliciously crafted applications that exploit the WebView's insecure configuration. The issue lies in how the application handles web content rendering and data processing within the WebView class, creating potential attack vectors for remote threat actors. The vulnerability enables unauthorized access to sensitive data that should remain protected within the application's secure boundaries, making it particularly concerning for mobile security implementations.
The technical flaw manifests in the WebView class implementation where the application fails to properly sanitize or restrict access to sensitive system resources and data. When the WebView processes crafted content, it inadvertently exposes internal application data, user credentials, or other confidential information to remote attackers. This improper handling creates a pathway for attackers to extract sensitive information through maliciously constructed web content that the application loads within its WebView environment. The vulnerability essentially allows for information disclosure through the WebView's interaction with the underlying Android system components, bypassing normal security boundaries that should protect sensitive data access.
The operational impact of this vulnerability extends beyond simple information disclosure, as it provides attackers with potential access to user data, application internals, and system resources that could be leveraged for further exploitation. Remote attackers can craft malicious applications or web content that, when loaded through the vulnerable WebView, triggers the information disclosure behavior. This creates a persistent threat vector that can be exploited across different Android devices and versions, particularly affecting users who have not updated to the patched version 1.0.23. The vulnerability's remote nature means that attackers do not require physical access to devices or complex local exploitation techniques, making it particularly dangerous in mobile environments where users frequently interact with untrusted web content.
Mitigation strategies for this vulnerability primarily focus on updating to the patched version 1.0.23 or later, which implements proper WebView security measures and data sanitization. Organizations should also implement comprehensive mobile application security testing that includes WebView security assessments, proper input validation, and secure coding practices. The vulnerability aligns with CWE-200, which addresses "Information Exposure," and may map to ATT&CK techniques related to credential access and information gathering through mobile application exploitation. Security teams should conduct regular vulnerability assessments of mobile applications, implement proper code review processes for WebView usage, and establish security policies that require timely patch management for mobile applications. Additionally, developers should follow secure coding guidelines that prevent insecure WebView configurations and ensure proper sandboxing of web content within mobile applications to prevent unauthorized data access.