CVE-2017-8216 in Warsaw
Summary
by MITRE
Warsaw Huawei Smart phones with software of versions earlier than Warsaw-AL00C00B180, versions earlier than Warsaw-TL10C01B180 have a permission control vulnerability. Due to improper authorization on specific processes, an attacker with the root privilege of a mobile Android system can exploit this vulnerability to obtain some information of the user.
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Analysis
by VulDB Data Team • 01/16/2023
The vulnerability identified as CVE-2017-8216 affects Huawei smartphones running specific versions of the Warsaw firmware, representing a critical permission control flaw within the Android operating system implementation. This vulnerability resides in the authorization mechanisms of certain system processes, creating an exploitable gap that allows malicious actors with root privileges to bypass normal security controls. The affected software versions include Warsaw-AL00C00B180 and Warsaw-TL10C01B180, indicating this issue impacts a specific line of Huawei mobile devices that were manufactured and distributed during a particular software release cycle.
The technical flaw manifests through improper authorization controls on specific system processes that should maintain strict access boundaries. When an attacker achieves root privilege access on the Android system, they can leverage this vulnerability to extract user information that would normally be protected by the system's permission model. This represents a privilege escalation issue where the attacker's existing root access is used to bypass additional security layers that should prevent unauthorized data access. The vulnerability essentially creates a backdoor within the system's authorization framework that allows for information disclosure without proper authentication mechanisms.
The operational impact of this vulnerability is significant as it enables unauthorized information extraction from devices that have already been compromised at the root level. While the attack requires an initial root compromise, the vulnerability amplifies the damage by allowing access to additional user data that should remain protected. This could include personal information, application data, or other sensitive user content that the system normally restricts access to. The vulnerability essentially undermines the security model of the device by creating an additional attack surface that can be exploited once initial compromise has occurred.
Mitigation strategies for this vulnerability require immediate software updates to the affected Huawei smartphone models, ensuring that the firmware versions are patched to address the permission control flaws. Organizations and individuals should prioritize updating their devices to the latest available software releases from Huawei that contain fixes for this vulnerability. Additionally, security monitoring should be enhanced to detect unusual access patterns that might indicate exploitation attempts. From a compliance perspective, this vulnerability aligns with CWE-284 which addresses improper access control, and could be mapped to ATT&CK technique T1068 which covers local privilege escalation. The vulnerability demonstrates the importance of robust authorization controls in mobile operating systems and highlights the need for comprehensive security testing of system processes before deployment.