CVE-2017-17324 in Mate 9 Pro
Summary
by MITRE
Huawei Mate 9 Pro smartphones with software LON-AL00BC00B139D; LON-AL00BC00B229 have an integer overflow vulnerability. The camera driver does not validate the external input parameters and causes an integer overflow, which in the after processing results in a buffer overflow. An attacker tricks the user to install a crafted application, successful exploit could cause malicious code execution.
Once again VulDB remains the best source for vulnerability data.
Analysis
by VulDB Data Team • 02/21/2023
The vulnerability identified as CVE-2017-17324 represents a critical security flaw in Huawei Mate 9 Pro smartphones running specific software versions LON-AL00BC00B139D and LON-AL00BC00B229. This issue stems from improper input validation within the camera driver component, creating a pathway for sophisticated exploitation that could compromise device security. The vulnerability manifests as an integer overflow condition that ultimately leads to a buffer overflow scenario, demonstrating a classic cascade of programming errors that transforms a seemingly minor validation flaw into a potentially devastating security breach.
The technical implementation of this vulnerability occurs within the camera driver subsystem where external input parameters are not adequately validated before processing. When malicious input is provided through a crafted application, the driver fails to properly handle integer overflow conditions that occur during parameter processing. This overflow condition subsequently propagates into a buffer overflow situation where memory allocation becomes corrupted, potentially allowing an attacker to overwrite critical memory regions. The vulnerability operates at the kernel level within the device's operating system, making it particularly dangerous as it can bypass standard user-space protections and access system-level resources. According to CWE classification, this represents a CWE-190 Integer Overflow or Wraparound vulnerability that leads to CWE-121 Stack-based Buffer Overflow, demonstrating the multi-layered nature of the security risk.
The operational impact of this vulnerability extends beyond simple privilege escalation, as successful exploitation could enable complete device compromise through malicious code execution. An attacker leveraging this vulnerability could potentially gain root-level access to the smartphone's operating system, allowing for persistent backdoor installation, data exfiltration, and full control over the device's functionality. The attack vector requires social engineering to trick users into installing a malicious application, but once executed, the exploit operates with elevated privileges that could compromise all user data, communications, and device integrity. This vulnerability aligns with ATT&CK technique T1059.001 Command and Scripting Interpreter and T1068 Exploitation for Privilege Escalation, representing a sophisticated attack path that combines user deception with system-level exploitation.
Mitigation strategies for this vulnerability require immediate software patching from Huawei to address the underlying integer overflow in the camera driver component. Users should ensure their devices are updated to the latest firmware versions that contain the necessary security patches. Network administrators should monitor for suspicious application installations and implement mobile device management policies that restrict the installation of unverified applications. Additionally, security professionals should consider implementing runtime monitoring solutions that can detect anomalous behavior patterns consistent with buffer overflow exploitation attempts. The vulnerability highlights the importance of input validation in kernel-level drivers and underscores the need for comprehensive security testing of mobile operating system components. Organizations should also consider implementing device integrity monitoring to detect potential exploitation attempts and establish incident response procedures specifically tailored for mobile device security breaches.