CVE-2014-6659 in Defence.pk
Summary
by MITRE
The Defence.pk (aka com.tapatalk.defencepkforums) application 2.4.13.1 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 • 09/12/2024
The vulnerability identified as CVE-2014-6659 resides within the Defence.pk mobile application version 2.4.13.1 for Android platforms, representing a critical security flaw in the application's implementation of secure communication protocols. This weakness specifically targets the application's handling of SSL/TLS certificate validation mechanisms, creating a significant attack surface that adversaries can exploit to compromise user data integrity and confidentiality. The flaw fundamentally undermines the security assurances that SSL/TLS protocols are designed to provide, leaving users vulnerable to sophisticated interception attacks that can occur during data transmission between the mobile client and remote servers.
The technical implementation of this vulnerability stems from the application's failure to properly validate X.509 certificates during the SSL handshake process. This constitutes a direct violation of established security protocols and represents a classic case of insufficient certificate validation as categorized under CWE-295. The application's insecure coding practices allow it to accept any certificate presented by a server without performing the necessary verification steps that include checking certificate authority signatures, expiration dates, and hostname matching. This omission creates a trust relationship that can be easily manipulated by attackers who possess the capability to intercept network traffic and present fraudulent certificates that appear legitimate to the vulnerable application.
The operational impact of this vulnerability extends beyond simple data theft, encompassing a comprehensive threat to user privacy and system integrity within the mobile environment. Attackers can leverage this weakness to execute man-in-the-middle attacks that enable them to decrypt and modify communications between the mobile application and backend servers. This capability allows for the extraction of sensitive user information including personal data, authentication credentials, and potentially confidential communications that users expect to remain private. The vulnerability is particularly concerning given that it affects a forum application where users may share sensitive information about military operations, personal details, or other classified topics that could have serious implications for national security and individual privacy.
The exploitation of this vulnerability aligns with tactics described in the MITRE ATT&CK framework under the Tactic of Credential Access and Defense Evasion, specifically leveraging techniques related to SSL/TLS certificate manipulation and network traffic interception. The attack vector requires minimal sophistication from the adversary, as they only need to position themselves between the mobile application and its target servers to present a fraudulent certificate. This makes the vulnerability particularly dangerous in environments where users may connect through untrusted networks such as public wifi hotspots or compromised corporate networks, where such interception attacks are more likely to succeed.
Mitigation strategies for this vulnerability require immediate implementation of proper certificate validation mechanisms within the application codebase. The recommended approach involves implementing robust certificate pinning techniques that either validate certificates against a known trusted certificate authority or maintain a whitelist of expected certificate fingerprints. Additionally, the application should enforce strict hostname validation during SSL handshakes to prevent certificate spoofing attacks. Security patches should include mandatory certificate verification routines that fail securely when certificate validation fails, preventing the application from proceeding with potentially compromised connections. Organizations should also consider implementing network monitoring solutions to detect anomalous certificate behavior and establish incident response procedures to address potential exploitation attempts. The fix should align with industry standards such as those recommended by the National Institute of Standards and Technology for mobile application security and should be validated through proper security testing including penetration testing and certificate validation audits to ensure complete remediation of the vulnerability.