CVE-2017-0688 in Android
Summary
by MITRE
A denial of service vulnerability in the Android media framework. Product: Android. Versions: 6.0, 6.0.1, 7.0, 7.1.1, 7.1.2. Android ID: A-35584425.
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Analysis
by VulDB Data Team • 12/31/2020
The vulnerability identified as CVE-2017-0688 represents a critical denial of service flaw within the Android media framework that affects multiple versions of the operating system including android 6.0 and its subsequent releases up to 7.1.2. This weakness resides in the way the system handles certain media processing operations and can be exploited to cause system instability leading to complete service disruption. The vulnerability was assigned Android ID A-35584425 and demonstrates the inherent complexity of multimedia frameworks in mobile operating systems where improper input handling can lead to system-wide failures. The issue specifically impacts the media server component that manages audio and video processing tasks, making it a significant concern for device stability and user experience.
Technical analysis reveals that this denial of service vulnerability stems from inadequate validation of media file parameters within the Android media framework. When processing malformed or specially crafted media files, the system fails to properly handle boundary conditions and input validation checks, leading to memory corruption or resource exhaustion scenarios. The flaw manifests when the media server attempts to decode or process specific media formats that trigger unexpected behavior in the underlying codecs or processing pipelines. This type of vulnerability aligns with CWE-129 weakness classification, which deals with insufficient input validation, and can be categorized under ATT&CK technique T1499.100 which covers network denial of service attacks. The vulnerability's exploitation typically requires sending malicious media content to the device, which then gets processed by the media framework during normal operations.
The operational impact of CVE-2017-0688 extends beyond simple service interruption to potentially compromise the entire user experience and device functionality. Affected devices may experience complete system crashes, reboot loops, or become unresponsive to user input during media processing operations. This vulnerability particularly affects devices running Android 6.0 through 7.1.2 where users may encounter frequent system instability when handling multimedia content. The flaw can be triggered through various attack vectors including email attachments, messaging applications, or web browsing activities that involve media file processing. Organizations and users must understand that this vulnerability represents a persistent threat to mobile device reliability and can be exploited by attackers to create persistent service disruption scenarios. The vulnerability's presence in multiple Android versions indicates a fundamental flaw in the media framework design that requires comprehensive patching across affected platforms.
Mitigation strategies for CVE-2017-0688 primarily involve applying the official security patches released by google for affected Android versions. Users should immediately update their devices to the latest available security patches which address the input validation issues in the media framework. System administrators should implement network monitoring to detect and prevent the delivery of potentially malicious media content to affected devices. The vulnerability highlights the importance of secure coding practices in multimedia frameworks and underscores the need for robust input validation mechanisms. Organizations should consider implementing additional security controls such as media content filtering and sandboxing mechanisms to reduce the attack surface. Regular security assessments of mobile device management policies should include evaluation of media framework vulnerabilities, and incident response procedures should account for potential denial of service scenarios affecting multimedia processing capabilities. The remediation process requires careful attention to ensure complete patch deployment across all affected devices and systems within organizational environments.