CVE-2021-37491 Explained : Impact and Mitigation

An issue discovered in src/wallet/wallet.cpp in Dogecoin Project Dogecoin Core 1.14.3 and earlier allows attackers to view sensitive information via CWallet::CreateTransaction() function.

Understanding CVE-2021-37491

This article explores the details of CVE-2021-37491, a vulnerability in Dogecoin Core that could potentially expose sensitive information.

What is CVE-2021-37491?

The vulnerability in Dogecoin Core 1.14.3 and earlier versions enables attackers to access sensitive data through the CWallet::CreateTransaction() function.

The Impact of CVE-2021-37491

The exploitation of this vulnerability could lead to unauthorized access to sensitive information stored within the Dogecoin wallet, posing a risk to user privacy and security.

Technical Details of CVE-2021-37491

Delving into the technical aspects of CVE-2021-37491 to understand its implications and potential risks.

Vulnerability Description

The vulnerability allows attackers to view confidential data by leveraging the CWallet::CreateTransaction() function within Dogecoin Core implementations.

Affected Systems and Versions

Dogecoin Core 1.14.3 and prior versions are impacted by this vulnerability, potentially exposing users of these versions to information disclosure risks.

Exploitation Mechanism

Attackers can exploit this vulnerability by crafting specific transactions that trigger the insecure data exposure within the wallet functionality.

Mitigation and Prevention

Explore the necessary steps to mitigate the risks associated with CVE-2021-37491 and prevent potential security incidents.

Immediate Steps to Take

Users are advised to upgrade to a patched version of Dogecoin Core beyond 1.14.3 to eliminate the vulnerability and protect sensitive information.

Long-Term Security Practices

Implementing secure coding practices, regular security assessments, and user awareness training can help enhance overall security posture and prevent similar vulnerabilities in the future.

Patching and Updates

Stay informed about security updates and patches released by Dogecoin Project to address known vulnerabilities and ensure the security of your cryptocurrency wallet.