CVE-2017-11879 : Exploit Details and Defense Strategies

A vulnerability known as "ASP.NET Core Elevation Of Privilege Vulnerability" in ASP.NET Core 2.0 allows attackers to obtain login session details by exploiting a customized URL.

Understanding CVE-2017-11879

This CVE involves an elevation of privilege vulnerability in ASP.NET Core 2.0.

What is CVE-2017-11879?

ASP.NET Core 2.0 vulnerability enables attackers to illicitly obtain login session details, including authentication tokens and cookies, through a specially crafted URL.

The Impact of CVE-2017-11879

Attackers can steal sensitive information like authentication tokens and cookies.
Unauthorized access to user sessions can lead to account compromise and data theft.

Technical Details of CVE-2017-11879

This section provides technical insights into the vulnerability.

Vulnerability Description

ASP.NET Core 2.0 is susceptible to an elevation of privilege exploit that allows attackers to steal login session information via a crafted URL.

Affected Systems and Versions

Affected Product: ASP.NET Core
Vendor: Microsoft Corporation
Affected Version: ASP.NET Core 2.0

Exploitation Mechanism

The vulnerability is exploited by manipulating a customized URL to extract sensitive login session data.

Mitigation and Prevention

Protecting systems from CVE-2017-11879 requires immediate actions and long-term security practices.

Immediate Steps to Take

Apply security patches provided by Microsoft promptly.
Monitor and restrict access to sensitive URLs.
Educate users about phishing attacks and suspicious URLs.

Long-Term Security Practices

Implement secure coding practices to prevent URL manipulation vulnerabilities.
Regularly update and patch software to address security flaws.
Conduct security audits and penetration testing to identify and mitigate vulnerabilities.
Employ network monitoring and intrusion detection systems.
Stay informed about the latest security threats and best practices.

Patching and Updates

Regularly check for security updates and patches released by Microsoft to address the CVE-2017-11879 vulnerability.