CVE-2017-20164 : Exploit Details and Defense Strategies

CVE-2017-20164 involves a critical vulnerability in Symbiote Seed versions up to 6.0.2, affecting the Login component's onBeforeSecurityLogin function. By exploiting an open redirect flaw, remote attackers can manipulate the URL argument. Upgrading to version 6.0.3 is crucial to address this issue.

Understanding CVE-2017-20164

This CVE entry highlights a critical security flaw in Symbiote Seed versions up to 6.0.2, impacting the Login component's security.

What is CVE-2017-20164?

CVE-2017-20164 is a vulnerability in Symbiote Seed that allows remote attackers to trigger an open redirect by manipulating the URL argument.

The Impact of CVE-2017-20164

The vulnerability poses a medium severity risk with a CVSS base score of 6.3. Attackers can exploit this flaw to conduct open redirect attacks remotely.

Technical Details of CVE-2017-20164

This section provides detailed technical information about the vulnerability.

Vulnerability Description

The vulnerability exists in the onBeforeSecurityLogin function within the SecurityLoginExtension.php file of the Login component in Symbiote Seed versions up to 6.0.2, allowing for remote open redirect attacks.

Affected Systems and Versions

Vendor: Symbiote
Product: Seed
Affected Versions: 6.0.0, 6.0.1, 6.0.2
Modules: Login

Exploitation Mechanism

Attackers can exploit the vulnerability by manipulating the URL argument to trigger an open redirect remotely.

Mitigation and Prevention

To address CVE-2017-20164, immediate actions and long-term security practices are essential.

Immediate Steps to Take

Upgrade the affected component to version 6.0.3, which contains the necessary patch (b065ebd82da53009d273aa7e989191f701485244).

Long-Term Security Practices

Regularly update software components to mitigate potential vulnerabilities.
Implement secure coding practices to prevent similar security issues.

Patching and Updates

Ensure timely patching of software components and stay informed about security updates.