CVE-2020-1880 in Lion-AL00C
Summary
by MITRE
Huawei smartphone Lion-AL00C with versions earlier than 10.0.0.205(C00E202R7P2) have a denial of service vulnerability. An attacker crafted specially file to the affected device. Due to insufficient input validation of the value when executing the file, successful exploit may cause device abnormal.
Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.
Analysis
by VulDB Data Team • 05/06/2025
The vulnerability identified as CVE-2020-1880 affects Huawei smartphone models, specifically the Lion-AL00C device running firmware versions prior to 10.0.0.205(C00E202R7P2). This represents a denial of service vulnerability that stems from inadequate input validation mechanisms within the device's file processing capabilities. The flaw manifests when specially crafted files are executed on the affected device, leading to abnormal device behavior that can result in system instability or complete service disruption.
This vulnerability falls under the category of insufficient input validation, which is categorized as CWE-20 by the Common Weakness Enumeration framework. The technical flaw occurs during the file execution process where the system fails to properly validate the input parameters or file attributes before processing. The absence of proper sanitization and validation checks allows maliciously crafted files to exploit the system's processing routines, potentially causing the device to crash or become unresponsive. The vulnerability specifically targets the device's file handling mechanisms, making it particularly dangerous in environments where users might encounter untrusted file content.
The operational impact of this vulnerability extends beyond simple service disruption as it can render the affected smartphone completely non-functional until manual intervention occurs. Mobile device users may encounter this vulnerability through various attack vectors including malicious email attachments, compromised websites, or infected file transfers from untrusted sources. The exploitation process requires minimal technical expertise from attackers, making it particularly concerning for widespread impact. Once successfully exploited, the device may require a complete reboot or even factory reset to restore normal operation, resulting in significant user inconvenience and potential data loss.
Mitigation strategies for this vulnerability should focus on immediate firmware updates provided by Huawei to address the input validation shortcomings in the file processing subsystem. Users should ensure their devices are updated to version 10.0.0.205(C00E202R7P2) or later, which contains the necessary patches to prevent the exploitation of this denial of service vulnerability. Network administrators should implement file filtering policies to prevent potentially malicious files from reaching user devices, particularly in enterprise environments where mobile device management systems can enforce security policies. The vulnerability aligns with ATT&CK technique T1499.001 which involves denial of service through resource exhaustion, and the attack surface can be reduced through proper input validation and robust file handling mechanisms. Organizations should also consider implementing mobile device security monitoring to detect abnormal device behavior that may indicate exploitation attempts.