CVE-2017-2104 : Exploit Details and Defense Strategies

Android version 1.4.7 and earlier of the Business LaLa Call App by K-Opticom Corporation has a vulnerability that allows attackers to intercept communication and gain unauthorized access to sensitive data.

Understanding CVE-2017-2104

This CVE involves a failure to properly authenticate X.509 certificates from SSL servers, potentially leading to man-in-the-middle attacks.

What is CVE-2017-2104?

The Business LaLa Call App for Android 1.4.7 and earlier versions lack proper X.509 certificate verification, enabling attackers to impersonate servers and access sensitive data.

The Impact of CVE-2017-2104

This vulnerability allows attackers to intercept communication and impersonate servers, leading to unauthorized access to sensitive data through manipulated certificates.

Technical Details of CVE-2017-2104

The following technical details outline the specifics of this vulnerability.

Vulnerability Description

The Business LaLa Call App for Android 1.4.7 and earlier versions fail to verify X.509 certificates from SSL servers, exposing users to man-in-the-middle attacks.

Affected Systems and Versions

Product: Business LaLa Call App for Android
Vendor: K-Opticom Corporation
Versions Affected: ver1.4.7 and earlier

Exploitation Mechanism

Attackers can exploit this vulnerability by presenting a crafted certificate to spoof servers, enabling them to intercept communication and access sensitive information.

Mitigation and Prevention

To address CVE-2017-2104, consider the following mitigation strategies.

Immediate Steps to Take

Update the Business LaLa Call App to the latest version that includes proper X.509 certificate verification.
Avoid using unsecured networks where attackers can easily intercept communication.

Long-Term Security Practices

Implement secure coding practices to ensure proper certificate validation in all applications.
Regularly educate users on the risks of using unsecured networks and the importance of verifying SSL certificates.

Patching and Updates

Stay informed about security updates for the Business LaLa Call App and promptly apply patches to address known vulnerabilities.