CVE-2019-15067 in Smart Battery A2-25DE
Summary
by MITRE
An authentication bypass vulnerability discovered in Smart Battery A2-25DE, a multifunctional portable charger, firmware version ?<= SECFS-2013-10-16-13:42:58-629c30ee-60c68be6. An attacker can bypass authentication and gain privilege by modifying the login page.
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Analysis
by VulDB Data Team • 09/09/2020
The vulnerability identified as CVE-2019-15067 represents a critical authentication bypass flaw within the Smart Battery A2-25DE portable charger device. This multifunctional charging solution operates on firmware version SECFS-2013-10-16-13:42:58-629c30ee-60c68be6, where the security mechanism fails to properly validate user credentials during the authentication process. The flaw allows malicious actors to circumvent the standard login procedure through manipulation of the web interface, specifically targeting the login page component. This vulnerability directly impacts the device's security architecture by undermining the fundamental authentication controls that should protect access to the device's administrative functions and sensitive operational parameters.
The technical implementation of this authentication bypass stems from inadequate input validation and insufficient session management within the device's web-based administrative interface. When attackers modify the login page elements, they can potentially exploit weaknesses in the device's validation logic to gain unauthorized administrative privileges. The vulnerability manifests through the device's failure to properly authenticate users before granting access to privileged functions, creating a pathway for unauthorized individuals to execute commands that should be restricted to legitimate administrators. This flaw typically arises from improper handling of user input and insufficient cryptographic protection of authentication tokens or session identifiers.
The operational impact of this vulnerability extends beyond simple unauthorized access, as it provides attackers with complete administrative control over the charging device. Once authenticated, malicious actors can modify device configurations, access power management settings, potentially manipulate charging protocols, and gain visibility into the device's operational parameters. This level of access could enable attackers to disrupt power delivery services, alter charging behavior, or even create security risks through manipulation of the device's core functionality. The vulnerability affects not only the device's immediate operational integrity but also poses potential risks to connected devices and power infrastructure, particularly in enterprise or industrial environments where such portable chargers might be deployed.
Mitigation strategies for this authentication bypass vulnerability should focus on implementing robust input validation mechanisms and strengthening session management protocols within the device's firmware. Device manufacturers should enforce proper authentication checks at multiple layers of the application architecture, ensuring that all user interactions are properly validated before granting access to privileged functions. The implementation of secure coding practices, including proper parameter sanitization and input filtering, can prevent attackers from manipulating login page elements to bypass authentication. Additionally, regular firmware updates and security patches should be deployed to address known vulnerabilities, while network segmentation and access controls can limit the potential impact of successful exploitation. This vulnerability aligns with CWE-287, which addresses improper authentication issues, and represents a significant concern for the ATT&CK framework's credential access and privilege escalation techniques, as it enables adversaries to move laterally within device networks and potentially compromise broader power management systems.