CVE-2017-17328 in Huawei
Summary
by MITRE
Huawei smartphones with software of MHA-AL00AC00B125 have an integer overflow vulnerability. The software does not process certain variable properly when handle certain process. An attacker tricks the user who has root privilege to install a crafted application, successful exploit could cause information disclosure.
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Analysis
by VulDB Data Team • 02/21/2023
The vulnerability identified as CVE-2017-17328 represents a critical integer overflow flaw affecting Huawei MHA-AL00AC00B125 smartphones, classified under CWE-190 as an integer overflow or wraparound condition. This vulnerability stems from improper handling of variables during specific processing operations within the device's software framework, creating a potential attack vector that could be exploited by malicious actors. The flaw manifests when the system fails to properly validate or constrain integer values during memory allocation or buffer operations, leading to unpredictable behavior that could be leveraged for information disclosure purposes.
The technical exploitation of this vulnerability requires an attacker to deceive a user with root privileges into installing a malicious application that triggers the integer overflow condition. This scenario aligns with ATT&CK technique T1059.001 for command and scripting interpreter and T1068 for exploit for privilege escalation. The integer overflow occurs during the processing of certain variables, where the system attempts to perform arithmetic operations that exceed the maximum value that can be represented by the integer data type, causing the value to wrap around to a negative or unexpected positive number. This wraparound behavior can result in memory corruption, buffer overflows, or other exploitable conditions that may allow attackers to access sensitive information stored in memory regions that should remain protected.
The operational impact of this vulnerability extends beyond simple information disclosure, as it creates a potential pathway for more severe attacks including privilege escalation, system compromise, or data exfiltration. Devices running this specific software version become susceptible to attacks that could compromise user data, device integrity, and overall system security. The requirement for root privilege to install the malicious application suggests that the attack vector is primarily focused on social engineering or supply chain compromise scenarios rather than automated exploitation. However, the presence of such a vulnerability in smartphone firmware represents a significant security risk, particularly in environments where mobile devices handle sensitive corporate or personal information.
Mitigation strategies for CVE-2017-17328 should prioritize immediate software updates from Huawei to address the integer overflow condition in the affected MHA-AL00AC00B125 firmware version. Organizations should implement strict application installation policies and user education programs to prevent the installation of untrusted applications that could exploit this vulnerability. Network monitoring solutions should be configured to detect unusual application behavior or attempts to access protected system resources that might indicate exploitation attempts. Additionally, security teams should conduct regular vulnerability assessments of mobile device fleets to identify and remediate similar integer overflow conditions that may exist in other firmware versions or device models. The vulnerability demonstrates the importance of proper integer validation and bounds checking in mobile operating system implementations, aligning with security best practices outlined in NIST SP 800-115 for mobile device security and the OWASP Mobile Top 10 for secure mobile application development practices.