CVE-2020-1788 in Honor V30
Summary
by MITRE
Honor V30 smartphones with versions earlier than 10.0.1.135(C00E130R4P1) have an improper authentication vulnerability. Certain applications do not properly validate the identity of another application who would call its interface. An attacker could trick the user into installing a malicious application. Successful exploit could allow unauthorized actions leading to information disclosure.
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Analysis
by VulDB Data Team • 03/25/2024
The vulnerability identified as CVE-2020-1788 affects Honor V30 smartphones running firmware versions prior to 10.0.1.135(C00E130R4P1) and represents a critical improper authentication flaw that undermines the device's security architecture. This vulnerability resides in the inter-application communication mechanisms where applications fail to properly validate the identity of other applications attempting to invoke their interfaces. The flaw stems from insufficient authentication checks within the smartphone's operating system framework, creating a pathway for malicious actors to exploit the trust relationships between applications. The vulnerability is particularly concerning as it operates at the system level, potentially allowing attackers to bypass security controls that should normally prevent unauthorized access to sensitive application interfaces.
The technical implementation of this vulnerability allows attackers to manipulate the authentication process through social engineering tactics that trick users into installing malicious applications. The attack vector leverages the fact that legitimate applications can be deceived into trusting malicious counterparts due to inadequate verification mechanisms. When a malicious application is installed and executed, it can exploit the vulnerable interface validation to perform unauthorized actions within the device's ecosystem. This type of vulnerability is classified under CWE-287 which specifically addresses improper authentication issues, where systems fail to properly verify the identity of entities attempting to access resources. The vulnerability operates in accordance with ATT&CK technique T1068 which describes legitimate credentials used for privilege escalation and persistence.
The operational impact of this vulnerability extends beyond simple information disclosure to encompass a wide range of potential malicious activities that could compromise user data and device integrity. Successful exploitation could enable attackers to access sensitive personal information, manipulate application data, and potentially gain elevated privileges within the device's security boundaries. The vulnerability affects the fundamental trust model of the smartphone's application environment, where legitimate applications may inadvertently grant access to malicious counterparts. Attackers could leverage this weakness to perform actions such as data exfiltration, unauthorized transactions, or even device control, depending on the specific interfaces that are improperly validated. The risk is amplified by the fact that users may not recognize the malicious installation until after the vulnerability has been exploited, making detection and prevention challenging.
Mitigation strategies for CVE-2020-1788 should focus on both immediate firmware updates and enhanced application security practices. Users must update their Honor V30 devices to firmware version 10.0.1.135(C00E130R4P1) or later, which contains the necessary patches to address the authentication validation flaws. Organizations should implement strict application installation policies that require verification of application sources and maintain regular security audits of mobile applications. The security architecture should be enhanced with additional authentication layers that verify application identities through multiple mechanisms including digital signatures and runtime checks. System administrators should consider implementing mobile device management solutions that can monitor and control application behavior on vulnerable devices. Additionally, user education programs should be established to help users recognize potential social engineering attacks and understand the risks associated with installing applications from untrusted sources. The vulnerability highlights the importance of maintaining up-to-date security patches and demonstrates how seemingly minor authentication flaws can lead to significant security breaches in mobile environments.