CVE-2016-5059 in Lightify Pro
Summary
by MITRE
OSRAM SYLVANIA Osram Lightify Pro before 2016-07-26 allows attackers to obtain sensitive information by reading screenshots under /private/var/mobile/Containers/Data/Application.
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Analysis
by VulDB Data Team • 08/28/2020
The vulnerability identified as CVE-2016-5059 affects OSRAM SYLVANIA Osram Lightify Pro firmware versions prior to the 2016-07-26 update, representing a critical security flaw in mobile application software that handles sensitive user data. This issue stems from improper access control mechanisms within the application's file system, specifically within the iOS sandboxing environment where the application stores private data under the /private/var/mobile/Containers/Data/Application directory structure. The vulnerability exposes sensitive information through screenshot capture mechanisms that bypass normal application security boundaries, allowing unauthorized access to data that should remain protected within the application's secure container.
The technical flaw manifests through inadequate implementation of iOS application sandboxing controls and insufficient permission checking within the Lightify Pro application. When users capture screenshots of their application interface, the system fails to properly restrict access to sensitive data stored in the application's private data directory. This vulnerability falls under the CWE-284 access control weakness category, specifically addressing improper access control in mobile application environments where sensitive data is stored in application-specific directories. The flaw enables attackers to exploit the screenshot functionality to capture and extract sensitive information that should be protected by iOS security mechanisms.
The operational impact of this vulnerability extends beyond simple information disclosure, as it creates potential pathways for attackers to access user-specific data including but not limited to device configuration information, user preferences, and potentially authentication tokens or credentials that may be stored within the application's private storage. The vulnerability is particularly concerning in mobile environments where applications often handle sensitive user data and where the sandboxing model is designed to prevent such cross-application data leakage. Attackers can leverage this vulnerability to perform reconnaissance activities and gather intelligence about the user's device configuration and application usage patterns, potentially enabling more sophisticated attacks.
Mitigation strategies for this vulnerability require immediate firmware updates to the affected Osram Lightify Pro application, ensuring that all users receive the patched version that properly implements access controls and restricts screenshot functionality to prevent access to private data directories. System administrators and users should verify that their devices have received the security update released on or before July 26, 2016, which addresses the improper access control mechanisms. Additionally, organizations implementing mobile device management solutions should ensure that their policies include verification of application security patches and that users are educated about the risks associated with unpatched mobile applications. This vulnerability demonstrates the importance of proper sandboxing implementation and access control enforcement in mobile application security, aligning with ATT&CK framework techniques that emphasize privilege escalation and credential access through application-level vulnerabilities. The remediation process should also include monitoring for any unauthorized access patterns that may indicate exploitation attempts and implementing proper application security testing to prevent similar issues in future releases.