Description
Inappropriate implementation in Networks in Google Chrome prior to 124.0.6367.60 allowed a remote attacker to bypass mixed content policy via a crafted HTML page. (Chromium security severity: Low)
EPSS Score:
1%
Comprehensive Technical Analysis of EUVD-2024-32414
1. Vulnerability Assessment and Severity Evaluation
The vulnerability described in EUVD-2024-32414 pertains to an inappropriate implementation in the Networks component of Google Chrome prior to version 124.0.6367.60. This flaw allows a remote attacker to bypass the mixed content policy via a crafted HTML page. The Chromium security team has rated this vulnerability as having "Low" severity. However, the CVSS (Common Vulnerability Scoring System) base score of 9.8 indicates a critical severity level. This discrepancy suggests that while the immediate impact might be limited, the potential for widespread exploitation is significant.
CVSS Vector Breakdown:
- AV:N (Attack Vector: Network) - The vulnerability is exploitable over the network.
- AC:L (Attack Complexity: Low) - The attack requires low complexity to execute.
- PR:N (Privileges Required: None) - No privileges are required to exploit the vulnerability.
- UI:N (User Interaction: None) - No user interaction is required.
- S:U (Scope: Unchanged) - The vulnerability does not change the security scope.
- C:H (Confidentiality: High) - The vulnerability has a high impact on confidentiality.
- I:H (Integrity: High) - The vulnerability has a high impact on integrity.
- A:H (Availability: High) - The vulnerability has a high impact on availability.
2. Potential Attack Vectors and Exploitation Methods
The primary attack vector involves a remote attacker crafting a malicious HTML page that exploits the mixed content policy bypass. This could be achieved through:
- Phishing Emails: Sending emails with links to the crafted HTML page.
- Malicious Websites: Hosting the crafted HTML page on a compromised or malicious website.
- Advertisements: Embedding the malicious HTML in online advertisements.
Exploitation methods could include:
- Cross-Site Scripting (XSS): Injecting malicious scripts into the HTML page to execute arbitrary code.
- Data Exfiltration: Using the bypass to exfiltrate sensitive data from the user's browser.
- Session Hijacking: Manipulating the mixed content policy to hijack user sessions.
3. Affected Systems and Software Versions
The vulnerability affects Google Chrome versions prior to 124.0.6367.60. This includes:
- Google Chrome: All versions before 124.0.6367.60.
- Chromium-based Browsers: Other browsers based on Chromium that have not patched this specific vulnerability.
4. Recommended Mitigation Strategies
To mitigate the risk associated with this vulnerability, the following strategies are recommended:
- Update Software: Ensure that all users update Google Chrome to version 124.0.6367.60 or later.
- User Education: Educate users about the risks of clicking on unknown links and visiting untrusted websites.
- Network Security: Implement network security measures such as firewalls and intrusion detection systems to monitor and block malicious traffic.
- Content Security Policy (CSP): Enforce strict CSP headers to mitigate the risk of mixed content attacks.
- Regular Audits: Conduct regular security audits and vulnerability assessments to identify and address similar issues.
5. Impact on European Cybersecurity Landscape
The impact of this vulnerability on the European cybersecurity landscape is significant due to the widespread use of Google Chrome. Key considerations include:
- Data Protection: Potential breaches of personal data, which could lead to GDPR violations and financial penalties.
- Critical Infrastructure: Compromise of critical infrastructure if employees use vulnerable versions of Chrome.
- Public Trust: Erosion of public trust in digital services if the vulnerability is widely exploited.
6. Technical Details for Security Professionals
Vulnerability Details:
- CVE ID: CVE-2024-3845
- GSD ID: GSD-2024-3845
- Assigner: Chrome
- EPSS Score: 1 (indicating a low likelihood of exploitation in the wild)
References:
Technical Recommendations:
- Patch Management: Implement a robust patch management system to ensure timely updates.
- Incident Response: Develop and test incident response plans to address potential exploitations.
- Threat Intelligence: Leverage threat intelligence feeds to stay informed about emerging threats and vulnerabilities.
By addressing these points, organizations can effectively mitigate the risks associated with EUVD-2024-32414 and enhance their overall cybersecurity posture.