CVE-2014-6728 in ThinkPal
Summary
by MITRE
The ThinkPal (aka com.mythinkpalapp) application 1.6.3 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 • 09/14/2024
The vulnerability identified as CVE-2014-6728 affects the ThinkPal mobile application version 1.6.3 for Android devices, representing a critical security flaw in the application's implementation of secure communications. This issue stems from the application's failure to properly validate X.509 certificates during SSL/TLS connections, creating a significant attack vector that compromises the integrity of network communications between the mobile client and remote servers. The vulnerability resides in the application's cryptographic implementation and represents a direct violation of established security protocols designed to ensure secure data transmission.
The technical flaw manifests as a complete absence of certificate verification mechanisms within the application's SSL/TLS stack implementation. This omission allows attackers to perform man-in-the-middle attacks by presenting forged SSL certificates that appear legitimate to the vulnerable application. The application accepts any certificate presented by the server without validating the certificate chain, checking expiration dates, or verifying the certificate authority's legitimacy. This behavior directly violates security standards such as those outlined in CWE-295, which addresses improper certificate validation, and aligns with ATT&CK technique T1046 which covers network service scanning and manipulation. The vulnerability essentially removes the cryptographic security guarantees that SSL/TLS protocols are designed to provide, leaving users exposed to various forms of data interception and manipulation.
The operational impact of this vulnerability extends beyond simple data theft, as it enables attackers to not only eavesdrop on communications but also to actively manipulate data in transit. Mobile users of the ThinkPal application face risks including credential theft, session hijacking, and exposure of sensitive personal information that may be transmitted through the vulnerable application. The attack surface is particularly concerning given that the application operates on mobile devices where users may be accessing sensitive information in public or unsecured network environments. The vulnerability affects the fundamental security model of the application, potentially allowing attackers to impersonate legitimate services and gain unauthorized access to user accounts or sensitive data. This weakness creates opportunities for attackers to exploit the trust relationship between the mobile application and backend services, undermining the entire security architecture of the application.
Mitigation strategies for this vulnerability must address the core cryptographic implementation flaw within the application. The most effective solution involves implementing proper certificate pinning mechanisms that validate server certificates against known good certificates or certificate authorities. Organizations should implement certificate validation that checks certificate chains, verifies expiration dates, and ensures certificates are issued by trusted authorities. The application should be updated to include proper SSL/TLS certificate validation routines that align with industry standards and best practices. Additionally, implementing certificate transparency mechanisms and regular security audits of cryptographic implementations can help prevent similar vulnerabilities from emerging in future versions. Security professionals should also consider implementing network monitoring to detect potential man-in-the-middle attacks and establish secure communication protocols that include proper certificate validation as part of the application's security architecture. The vulnerability serves as a reminder of the critical importance of cryptographic security implementation in mobile applications and the necessity of adhering to established security frameworks such as those recommended by NIST and OWASP.