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CVE-2019-19739 : Exploit Details and Defense Strategies

Discover the security impact of CVE-2019-19739 on MFScripts YetiShare versions 3.5.2 to 4.5.3. Learn about the vulnerability, affected systems, exploitation risks, and mitigation steps.

MFScripts YetiShare versions 3.5.2 to 4.5.3 fail to enable the Secure flag for session cookies, exposing them to transmission over unencrypted channels.

Understanding CVE-2019-19739

This CVE highlights a security vulnerability in MFScripts YetiShare versions 3.5.2 to 4.5.3 that could compromise the confidentiality of session cookies.

What is CVE-2019-19739?

MFScripts YetiShare 3.5.2 through 4.5.3 does not set the Secure flag on session cookies, allowing the cookie to be sent over cleartext channels.

The Impact of CVE-2019-19739

The vulnerability exposes session cookies to interception by malicious actors when transmitted over unencrypted channels, potentially leading to unauthorized access to sensitive user data.

Technical Details of CVE-2019-19739

MFScripts YetiShare versions 3.5.2 to 4.5.3 are affected by the following:

Vulnerability Description

        Failure to enable the Secure flag for session cookies

Affected Systems and Versions

        Versions 3.5.2 to 4.5.3 of MFScripts YetiShare

Exploitation Mechanism

        Attackers can intercept session cookies transmitted over unencrypted channels to gain unauthorized access.

Mitigation and Prevention

To address CVE-2019-19739, consider the following steps:

Immediate Steps to Take

        Update to the latest version of MFScripts YetiShare that addresses the cookie security issue
        Implement HTTPS to encrypt communication and protect session cookies

Long-Term Security Practices

        Regularly monitor and audit cookie security configurations
        Educate users on secure browsing practices to minimize cookie-related risks

Patching and Updates

        Stay informed about security updates and patches released by MFScripts to address vulnerabilities like the one in CVE-2019-19739.

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