CVE-2021-20748 : Security Advisory and Response

This article provides detailed information about CVE-2021-20748, a vulnerability found in the Retty App for Android and iOS versions prior to 4.8.13 and 4.11.14, respectively.

Understanding CVE-2021-20748

CVE-2021-20748 is related to the use of hard-coded credentials in the Retty App, potentially exposing the API key for an external service.

What is CVE-2021-20748?

CVE-2021-20748 affects Retty App for Android versions prior to 4.8.13 and Retty App for iOS versions prior to 4.11.14. It stems from the utilization of a hard-coded API key in the app, allowing threat actors to acquire sensitive information through data analysis.

The Impact of CVE-2021-20748

The vulnerability poses a significant risk as it could lead to the unauthorized access of the API key for an external service, compromising user data and potentially exposing it to malicious entities.

Technical Details of CVE-2021-20748

This section delves into the technical aspects of the CVE, outlining the vulnerability, affected systems, and exploitation mechanism.

Vulnerability Description

The vulnerability arises from the presence of hard-coded credentials, specifically an API key, within the Retty App's code. This oversight enables attackers to extract the API key by inspecting the application's data.

Affected Systems and Versions

Retty App for Android versions prior to 4.8.13 and Retty App for iOS versions prior to 4.11.14 are susceptible to this security flaw, placing users of these versions at risk of data breach.

Exploitation Mechanism

By leveraging the hard-coded API key within the app, threat actors can exploit the vulnerability to access sensitive information and potentially misuse it for malicious purposes.

Mitigation and Prevention

To safeguard against CVE-2021-20748, immediate action must be taken to mitigate the risk and prevent exploitation.

Immediate Steps to Take

Users are advised to update their Retty App to versions 4.8.13 (Android) and 4.11.14 (iOS) or newer, which address the hard-coded API key issue and enhance the app's security.

Long-Term Security Practices

Implementing robust security measures, such as avoiding hard-coded credentials and regularly updating applications, can help prevent similar vulnerabilities in the future.

Patching and Updates

Stay informed about security patches and updates released by Retty Inc. for the Retty App, ensuring that your application is always running the latest secure version.