CVE-2021-29247 : Vulnerability Insights and Analysis

BTCPay Server through 1.0.7.0 has a vulnerability that could allow a remote attacker to obtain sensitive information due to the failure to set the HTTPOnly flag for a cookie.

Understanding CVE-2021-29247

This CVE identifies a security issue in BTCPay Server version 1.0.7.0 that could potentially lead to the exposure of sensitive data to malicious actors.

What is CVE-2021-29247?

CVE-2021-29247 is a vulnerability in BTCPay Server version 1.0.7.0 that allows a remote attacker to access sensitive information by exploiting the absence of the HTTPOnly flag for a cookie.

The Impact of CVE-2021-29247

The impact of this vulnerability is significant as it could result in unauthorized access to sensitive data, compromising the confidentiality and integrity of the affected system.

Technical Details of CVE-2021-29247

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

Vulnerability Description

The vulnerability in BTCPay Server through 1.0.7.0 enables a remote attacker to obtain sensitive information due to the lack of the HTTPOnly flag for a cookie, potentially leading to data exposure.

Affected Systems and Versions

BTCPay Server version 1.0.7.0 is specifically impacted by this vulnerability, potentially affecting systems that have not applied the necessary security patches.

Exploitation Mechanism

By exploiting the absence of the HTTPOnly flag for a cookie, a remote attacker can intercept sensitive information transmitted between the server and client, leading to potential data leaks.

Mitigation and Prevention

To safeguard systems against CVE-2021-29247, immediate steps should be taken, alongside implementing long-term security practices and ensuring timely patching and updates.

Immediate Steps to Take

Users of BTCPay Server should update to the latest version to mitigate the risk of sensitive data exposure and enhance security protocols.

Long-Term Security Practices

In the long term, organizations should prioritize regular security assessments, secure coding practices, and user awareness training to prevent similar vulnerabilities.

Patching and Updates

Regularly applying security patches and updates provided by BTCPay Server is crucial in addressing known vulnerabilities and maintaining the integrity of the system.