CVE-2018-17215 : What You Need to Know

A vulnerability related to the disclosure of information has been identified in Postman up to version 6.3.0. Despite the software checking the authenticity of a server's X.509 certificate, the HTTPS request data can still be transmitted, potentially exposing sensitive details to attackers.

Understanding CVE-2018-17215

This CVE involves an information-disclosure issue in Postman up to version 6.3.0, where HTTPS request data can be exposed to attackers.

What is CVE-2018-17215?

Postman fails to prevent the transmission of HTTPS request data even when an invalid X.509 certificate is detected, potentially leading to the exposure of sensitive information.

The Impact of CVE-2018-17215

The vulnerability allows attackers in a man-in-the-middle scenario to intercept and view sensitive details such as user credentials transmitted via HTTPS requests.

Technical Details of CVE-2018-17215

Postman's improper handling of invalid X.509 certificates leads to the exposure of HTTPS request data.

Vulnerability Description

Postman up to version 6.3.0 does not halt the transmission of HTTPS request data despite encountering an invalid X.509 certificate, enabling potential data exposure.

Affected Systems and Versions

Product: Postman
Versions affected: Up to 6.3.0

Exploitation Mechanism

Attackers can exploit this vulnerability in a man-in-the-middle scenario to intercept and view sensitive information contained in HTTPS requests.

Mitigation and Prevention

Taking immediate steps and implementing long-term security practices are crucial to mitigating the risks associated with CVE-2018-17215.

Immediate Steps to Take

Upgrade Postman to a patched version that addresses the vulnerability.
Avoid transmitting sensitive information over unsecured networks.

Long-Term Security Practices

Implement end-to-end encryption for data transmission.
Regularly update and patch software to address security vulnerabilities.
Conduct security audits to identify and address potential weaknesses.
Educate users on secure data transmission practices.

Patching and Updates

Ensure that Postman is updated to a version beyond 6.3.0 to mitigate the risk of data exposure through this vulnerability.