CVE-2014-7663 in Right to the Nitty Gritty
Summary
by MITRE
The Right to the Nitty Gritty (aka com.wGoNittyGritty) 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-2014-7663 affects the com.wGoNittyGritty Android application version 0.1, representing a critical security flaw in the application's cryptographic implementation. This issue stems from the application's failure to properly validate X.509 certificates during SSL/TLS connections, creating a significant attack surface that adversaries can exploit to compromise user data integrity and confidentiality. The vulnerability is classified under CWE-295, which specifically addresses improper certificate validation in secure communications, making it a direct descendant of well-known certificate validation weaknesses that have plagued numerous mobile applications over the years.
The technical flaw manifests when the application establishes secure connections to remote servers without implementing proper certificate chain validation. This omission allows attackers to perform man-in-the-middle attacks by presenting fraudulent certificates that appear legitimate to the vulnerable application. The application's inability to verify certificate signatures, expiration dates, and trust chains means that any certificate issued by an untrusted authority can be accepted as valid, effectively nullifying the security assurances that SSL/TLS protocols are designed to provide. This weakness directly violates the fundamental principles of secure communication as outlined in industry standards such as NIST SP 800-57 and ISO/IEC 15408, which mandate proper certificate validation procedures.
The operational impact of this vulnerability extends beyond simple data interception, as it enables attackers to not only eavesdrop on communications but also to actively modify data in transit. Mobile applications that rely on this vulnerable component can become conduits for credential theft, session hijacking, and sensitive information exfiltration. The attack vector is particularly dangerous because it requires no special privileges or advanced technical skills from the attacker, making it an attractive target for threat actors seeking to exploit mobile application security gaps. According to ATT&CK framework technique T1566, this vulnerability aligns with credential harvesting and data manipulation tactics that are commonly employed in mobile attack scenarios.
Mitigation strategies for this vulnerability must address both immediate remediation and long-term architectural improvements. The application developers should implement proper certificate pinning mechanisms that validate certificate chains against trusted root authorities, ensuring that only certificates from recognized Certificate Authorities are accepted. Additionally, the implementation should include certificate expiration checks and proper signature validation procedures that align with industry best practices. Organizations should also consider deploying network monitoring solutions that can detect anomalous certificate behavior and implement mobile security solutions that can identify and remediate such vulnerabilities across their application portfolios. The fix should align with security standards such as OWASP Mobile Top 10 and NIST guidelines for mobile application security to ensure comprehensive protection against similar vulnerabilities.