CVE-2014-7661 in Blogger
Summary
by MITRE
The Masquito Blogger (aka com.wmasquito) application 0.1 for Android does not verify X.509 certificates from SSL servers, which allows man-in-the-middle attackers to spoof servers and obtain sensitive information via a crafted certificate.
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Analysis
by VulDB Data Team • 10/14/2024
The vulnerability identified as CVE-2014-7661 affects the Masquito Blogger Android application version 0.1, specifically targeting its implementation of secure communication protocols. This flaw represents a critical security weakness in the application's approach to network security and certificate validation. The issue stems from the application's failure to properly validate X.509 certificates presented by SSL servers during secure connections, creating a significant attack surface that malicious actors can exploit to compromise user data and system integrity. The vulnerability directly impacts the application's ability to establish trust with remote servers, fundamentally undermining the security assurances that SSL/TLS protocols are designed to provide.
The technical flaw manifests in the application's certificate verification process, which is a core component of secure communication implementations. When an Android application establishes an SSL connection to a remote server, it must validate the server's X.509 certificate against a trusted certificate authority to ensure the authenticity of the server. The Masquito Blogger application bypasses this critical validation step, allowing attackers to present fraudulent certificates that appear legitimate to the application. This behavior violates fundamental security principles outlined in the OWASP Mobile Security Project and aligns with CWE-295, which specifically addresses improper certificate validation in security protocols. The vulnerability essentially disables the certificate pinning mechanism that should protect against man-in-the-middle attacks, leaving users exposed to various forms of cryptographic attacks.
The operational impact of this vulnerability extends beyond simple data interception, encompassing a broad range of security threats that can compromise user privacy and system integrity. Attackers can exploit this weakness to perform man-in-the-middle attacks by presenting crafted certificates that the application accepts without proper verification. This capability enables unauthorized access to sensitive information including user credentials, personal data, and potentially confidential blog content that users expect to be protected. The vulnerability particularly affects users who rely on the application for publishing or managing content, as attackers could intercept and modify their communications. From an ATT&CK framework perspective, this vulnerability maps to techniques involving credential access and unsecured credentials, as well as initial access through network protocols that lack proper authentication verification.
Mitigation strategies for this vulnerability require immediate attention from both application developers and security administrators. The primary fix involves implementing proper X.509 certificate validation within the application's SSL/TLS connection handling code, ensuring that all certificates are verified against trusted certificate authorities before establishing secure connections. Developers should implement certificate pinning mechanisms that validate specific certificate fingerprints or public keys rather than relying solely on certificate authority validation. Security teams should conduct comprehensive vulnerability assessments of mobile applications to identify similar certificate validation flaws across their application portfolio. The remediation process should follow industry standards including the NIST SP 800-52 guidelines for certificate management and the OWASP Mobile Security Project recommendations for secure mobile application development. Additionally, organizations should implement network monitoring solutions that can detect anomalous certificate behavior and alert security teams to potential exploitation attempts, ensuring that the vulnerability does not persist in production environments.