CVE-2022-33713 in Cloud
Summary
by MITRE • 07/12/2022
Implicit Intent hijacking vulnerability in Samsung Cloud prior to version 5.2.0 allows attacker to get sensitive information.
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Analysis
by VulDB Data Team • 07/22/2022
The CVE-2022-33713 vulnerability represents a critical implicit intent hijacking flaw discovered in Samsung Cloud applications prior to version 5.2.0, fundamentally compromising the security posture of affected systems. This vulnerability resides within the Android application framework's intent handling mechanisms, specifically exploiting how implicit intents are resolved and processed within the Samsung Cloud ecosystem. The flaw allows malicious actors to intercept or manipulate data flows between applications through carefully crafted intent broadcasts, potentially enabling unauthorized access to sensitive user information stored within or transmitted through the cloud service infrastructure. The vulnerability stems from insufficient validation and sanitization of intent parameters, creating an attack surface where unauthorized applications can masquerade as legitimate components within the Samsung Cloud environment.
The technical implementation of this vulnerability leverages the Android Intent system's implicit intent resolution process, where applications declare intent filters to receive specific types of broadcasts without explicitly specifying the sender. This design allows for legitimate cross-application communication but becomes exploitable when proper security boundaries are not enforced. Attackers can craft malicious intents that match the filters declared by Samsung Cloud applications, effectively hijacking the intended communication flow and gaining access to sensitive data. The vulnerability is particularly concerning because it operates at the application layer without requiring elevated privileges or root access, making it accessible to attackers with minimal technical expertise. According to CWE classification, this represents a variant of CWE-284: Improper Access Control, specifically manifesting as an improper privilege management or privilege escalation scenario within the Android application sandbox.
The operational impact of CVE-2022-33713 extends beyond simple data theft, as it enables sophisticated attack vectors including data exfiltration, session hijacking, and potential lateral movement within the Samsung Cloud ecosystem. Adversaries can exploit this vulnerability to access user credentials, personal documents, photos, and other sensitive information stored in cloud services, potentially compromising user privacy and corporate data integrity. The attack surface is particularly broad as it affects multiple Samsung Cloud applications that rely on implicit intent communication patterns, creating cascading security implications across various service components. Security researchers have identified that this vulnerability can be exploited through social engineering campaigns or by pre-installing malicious applications that establish the appropriate intent filters to intercept legitimate Samsung Cloud communications.
Mitigation strategies for CVE-2022-33713 require immediate application updates to version 5.2.0 or later, which implements proper intent validation and sanitization mechanisms. Organizations should conduct comprehensive security assessments of their Samsung Cloud implementations to identify potential exploitation vectors and ensure all affected applications are properly patched. The implementation of explicit intent usage instead of implicit intents, along with proper intent verification mechanisms, forms the core of effective remediation approaches. Security teams should also consider implementing network monitoring solutions to detect anomalous intent traffic patterns that may indicate exploitation attempts. From an ATT&CK framework perspective, this vulnerability maps to T1059.001: Command and Scripting Interpreter and T1566.001: Phishing, as attackers can leverage the compromised communication channels to execute further malicious activities. Additionally, organizations should enforce strict application permission controls and implement mobile application management policies to prevent unauthorized installations that could exploit this vulnerability. The vulnerability highlights the critical importance of proper intent handling in Android applications and underscores the need for comprehensive security testing throughout the software development lifecycle to prevent similar flaws from emerging in future releases.