CVE-2015-5633 in Auction Camera Application
Summary
by MITRE
The Newphoria Auction Camera application for iOS and before 1.2 for Android allows attackers to bypass a URL whitelist protection mechanism and obtain API access via unspecified vectors.
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Analysis
by VulDB Data Team • 12/26/2017
The vulnerability identified as CVE-2015-5633 represents a critical security flaw in mobile applications that implement URL whitelist protection mechanisms. This weakness affects the Newphoria Auction Camera application across both iOS and Android platforms, specifically targeting versions prior to 1.2 for Android systems. The flaw resides in the application's security architecture where the URL whitelist protection mechanism can be circumvented, allowing unauthorized access to protected API endpoints. This type of vulnerability directly impacts the application's ability to enforce access controls and maintain secure communication channels with backend services.
The technical implementation of this vulnerability stems from inadequate validation of URL requests within the application's security framework. Attackers can exploit unspecified vectors to bypass the intended whitelist restrictions, effectively gaining unauthorized access to API resources that should remain protected. This bypass mechanism operates at the application layer, potentially allowing malicious actors to access sensitive data, manipulate auction processes, or perform unauthorized transactions. The vulnerability demonstrates a classic case of insecure input handling where the application fails to properly validate or sanitize URL requests before processing them against the whitelist configuration.
The operational impact of CVE-2015-5633 extends beyond simple data exposure, as it fundamentally undermines the application's security model and trust assumptions. Attackers who successfully exploit this vulnerability can potentially manipulate auction outcomes, access confidential user information, or disrupt the normal functioning of the auction platform. The implications are particularly severe in auction environments where financial transactions and personal data are involved, as the bypass allows for unauthorized API access that could lead to significant financial losses or data breaches. This vulnerability directly relates to CWE-284, which addresses improper access control mechanisms, and represents a failure in implementing proper input validation and access restriction controls.
From a threat modeling perspective, this vulnerability aligns with attack patterns described in the MITRE ATT&CK framework under the privilege escalation and defense evasion domains. The ability to bypass URL whitelisting represents a sophisticated attack vector that requires minimal user interaction while providing maximum access privileges. Security researchers should note that this vulnerability type often indicates broader architectural weaknesses in mobile application security implementations, particularly around API security and input validation. The absence of proper request filtering mechanisms and the reliance on potentially bypassable whitelist configurations suggests a need for comprehensive security architecture reviews.
Organizations should implement immediate mitigations including strengthening URL validation mechanisms, implementing additional authentication layers, and conducting thorough security assessments of all API endpoints. The recommended approach involves deploying robust input sanitization techniques, implementing multi-factor authentication for API access, and establishing continuous monitoring for unauthorized access attempts. Security patches should address the core validation flaws in the whitelist implementation and ensure that all URL requests undergo comprehensive verification before access is granted. Regular security audits and penetration testing should be conducted to identify similar vulnerabilities in other applications and prevent exploitation of related attack vectors.