CVE-2020-1805 in Honor V10
Summary
by MITRE
Huawei Honor V10 smartphones with versions earlier than 10.0.0.156(C00E156R2P4) has three out of bounds vulnerabilities. Certain driver program does not sufficiently validate certain parameters received, that would lead to several bytes out of bound read. Successful exploit may cause information disclosure or service abnormal. This is 2 out of 3 out of bounds vulnerabilities found. Different than CVE-2020-1804 and CVE-2020-1806.
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Analysis
by VulDB Data Team • 05/06/2025
The vulnerability identified as CVE-2020-1805 affects Huawei Honor V10 smartphones running firmware versions prior to 10.0.0.156(C00E156R2P4) and represents a critical security flaw within the device's driver programs. This issue stems from insufficient parameter validation mechanisms that fail to properly sanitize input data received by specific kernel-level components. The vulnerability manifests as out-of-bounds read conditions that occur when certain drivers process malformed or unexpected input parameters, creating opportunities for unauthorized data access and system instability.
The technical implementation of this vulnerability involves buffer over-read scenarios within the smartphone's operating system kernel modules, specifically targeting driver programs responsible for handling device-specific hardware interactions. When these drivers receive parameters that exceed expected bounds or fall outside predefined validation criteria, they fail to properly validate the input before processing, resulting in memory access violations that can expose sensitive data or cause system crashes. The out-of-bounds read conditions typically occur in memory regions containing confidential information such as system credentials, cryptographic keys, or application data that should remain protected from unauthorized access.
From an operational impact perspective, successful exploitation of this vulnerability could enable attackers to extract sensitive information from the device's memory space, potentially compromising user privacy and system security. The vulnerability may also lead to service abnormalities including system crashes, application instability, or denial of service conditions that could disrupt normal device functionality. Given that this affects a widely deployed smartphone model, the potential attack surface extends to millions of devices, making this vulnerability particularly concerning for both individual users and enterprise security teams responsible for mobile device management.
The security implications of CVE-2020-1805 align with common attack patterns documented in the ATT&CK framework under the System Information Discovery and Credential Access tactics, where adversaries seek to extract sensitive information from compromised devices. This vulnerability also relates to CWE-125, which describes out-of-bounds read conditions, and CWE-707, addressing improper neutralization of special elements in data. The three identified out-of-bounds vulnerabilities in this device family demonstrate a pattern of insufficient input validation that could potentially be exploited in combination with other vulnerabilities to achieve more sophisticated attack objectives.
Mitigation strategies for this vulnerability primarily involve applying the firmware update released by Huawei for version 10.0.0.156(C00E156R2P4) which includes patched driver programs with enhanced parameter validation mechanisms. Device administrators should also implement comprehensive mobile device management policies that enforce automatic security updates and regularly monitor for similar vulnerabilities in other device components. Network security teams should consider implementing additional monitoring for suspicious network traffic patterns that might indicate exploitation attempts, while endpoint protection solutions should be configured to detect and prevent unauthorized access attempts to device memory structures. Organizations utilizing these devices should conduct thorough risk assessments to determine the potential impact of this vulnerability on their specific operational environments and implement appropriate compensating controls.