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CVE-2017-2913 : Security Advisory and Response

Learn about CVE-2017-2913 affecting Circle with Disney. Discover the impact, affected systems, exploitation mechanism, and mitigation steps for this SSL certificate vulnerability.

Circle with Disney filtering feature vulnerability allows SSL certificate exploitation.

Understanding CVE-2017-2913

Circle with Disney's filtering feature vulnerability exposes a security flaw that can be exploited through SSL certificate manipulation.

What is CVE-2017-2913?

This CVE identifies a vulnerability in Circle with Disney's filtering feature, where the Bluecoat library can accept a different SSL certificate than intended, leading to potential exploitation by malicious actors.

The Impact of CVE-2017-2913

The vulnerability poses a high risk with a CVSS base score of 8.1, impacting confidentiality, integrity, and availability of affected systems.

Technical Details of CVE-2017-2913

Circle Media's product, Circle, firmware version 2.0.1 is affected by this vulnerability.

Vulnerability Description

The flaw allows attackers to exploit SSL certificates for specific domain names, tricking the Bluecoat library into accepting unauthorized certificates, potentially leading to unauthorized access.

Affected Systems and Versions

        Product: Circle
        Vendor: Circle Media
        Version: firmware 2.0.1

Exploitation Mechanism

        Attack Complexity: High
        Attack Vector: Network
        Privileges Required: None
        User Interaction: None
        Scope: Unchanged
        Exploitation can occur by hosting an HTTPS server with a manipulated SSL certificate.

Mitigation and Prevention

Immediate action and long-term security practices are crucial to mitigate the risks associated with CVE-2017-2913.

Immediate Steps to Take

        Update Circle firmware to the latest version.
        Monitor network traffic for any suspicious activities.
        Implement SSL/TLS best practices.

Long-Term Security Practices

        Regularly review and update SSL certificates.
        Conduct security assessments and penetration testing.

Patching and Updates

        Apply security patches promptly.

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