CVE-2017-13282 in Android
Summary
by MITRE
In avrc_ctrl_pars_vendor_rsp of avrc_pars_ct.cc, there is a possible stack buffer overflow due to a missing bounds check. This could lead to remote code execution with no additional execution privileges needed. User interaction is not needed for exploitation. Product: Android. Versions: 7.0, 7.1.1, 7.1.2, 8.0, 8.1. Android ID: A-71603315.
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Analysis
by VulDB Data Team • 01/21/2020
The vulnerability identified as CVE-2017-13282 resides within the Bluetooth AVRCP (Audio Video Remote Control Profile) implementation of Android operating systems, specifically affecting versions 7.0, 7.1.1, 7.1.2, 8.0, and 8.1. This flaw exists in the avrc_ctrl_pars_vendor_rsp function located in the avrc_pars_ct.cc source file, representing a critical stack buffer overflow condition that can be exploited remotely without requiring any user interaction or additional privileges. The vulnerability stems from a missing bounds check during the parsing of vendor-specific responses within the Bluetooth AVRCP protocol handling mechanism. This technical flaw allows an attacker to potentially execute arbitrary code on the target device through a specially crafted Bluetooth packet that triggers the vulnerable code path. The absence of proper input validation in the buffer handling routine creates an exploitable condition where malicious data can overwrite adjacent stack memory, potentially leading to privilege escalation or complete system compromise. The vulnerability is particularly concerning because it operates at the Bluetooth protocol level, enabling exploitation through wireless means without requiring physical access or user engagement. According to CWE classification, this represents a CWE-121: Stack-based Buffer Overflow, which is a well-known vulnerability pattern that has been extensively documented in the cybersecurity community. The ATT&CK framework categorizes this vulnerability under T1059.007: Command and Scripting Interpreter: PowerShell, although more accurately it would be classified as a system-level exploitation technique that bypasses traditional user interaction requirements. The impact of this vulnerability extends beyond simple code execution, as it could potentially allow attackers to gain persistent access to affected devices, monitor communications, or deploy additional malware. The affected Android versions indicate a broad attack surface since these releases were widely deployed across various mobile devices and platforms, making the vulnerability particularly dangerous for organizations and individuals using these systems. The lack of user interaction requirements means that exploitation can occur passively, making it especially challenging to defend against in environments where Bluetooth connectivity is frequently used. This vulnerability demonstrates the critical importance of proper input validation in network protocol implementations and highlights the risks associated with Bluetooth stack implementations in mobile operating systems. Organizations should prioritize immediate patching of affected Android versions, as the vulnerability provides a direct path to remote code execution with minimal attack requirements. The security implications of such a flaw underscore the necessity for comprehensive security testing of protocol implementations and the importance of maintaining up-to-date security patches across all mobile platforms. The vulnerability serves as a reminder of the complex security challenges inherent in mobile operating systems where multiple protocol stacks must be securely implemented to prevent exploitation. Proper mitigation strategies include applying official Android security patches, implementing network segmentation to limit Bluetooth exposure, and monitoring for suspicious Bluetooth activity patterns that could indicate exploitation attempts.