EUVD-2024-3429

Comprehensive Technical Analysis of EUVD-2024-3429

1. Vulnerability Assessment and Severity Evaluation

The vulnerability described in EUVD-2024-3429 affects the Angular Expressions module, which is used in the Angular.JS web framework. The issue allows an attacker to escape the sandbox and execute arbitrary code on the system. This vulnerability is particularly severe due to its potential for full system compromise.

Severity Evaluation:

• CVSS Base Score: 9.3 (Critical)
• CVSS Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

The high base score indicates that the vulnerability is critical. The attack vector (AV:N) is network-based, requiring low complexity (AC:L) and no special privileges (PR:N) or user interaction (UI:N). The impact on confidentiality, integrity, and availability is high (VC:H, VI:H, VA:H).

2. Potential Attack Vectors and Exploitation Methods

Attack Vectors:

• Network-Based Attack: An attacker can exploit this vulnerability remotely over the network.
• Malicious Expression Injection: The attacker can inject a malicious expression into the Angular Expressions module, which escapes the sandbox and executes arbitrary code.

Exploitation Methods:

• Crafting Malicious Payloads: An attacker can craft a complex payload that exploits the vulnerability to gain full access to the system.
• Escaping Sandbox: The attacker can use the vulnerability to escape the sandbox and execute code outside the intended environment.

3. Affected Systems and Software Versions

Affected Software:

• Angular Expressions Module: Versions prior to 1.4.3

Affected Systems:

• Any system running applications that use the Angular Expressions module version < 1.4.3.

4. Recommended Mitigation Strategies

Immediate Mitigation:

• Upgrade to Version 1.4.3: Upgrade the Angular Expressions module to version 1.4.3 or later, which includes the patch for this vulnerability.
• Disable __proto__ Access: Globally disable access to __proto__ to prevent the exploitation of this vulnerability.
• Use Function with One Argument: Ensure that the function is used with just one argument to mitigate the risk.

Long-Term Mitigation:

• Regular Patch Management: Implement a robust patch management process to ensure that all software components are up-to-date.
• Code Review and Auditing: Conduct regular code reviews and security audits to identify and mitigate potential vulnerabilities.
• Security Training: Provide security training for developers to understand the risks associated with sandbox escapes and arbitrary code execution.

5. Impact on European Cybersecurity Landscape

The impact of this vulnerability on the European cybersecurity landscape is significant due to the widespread use of Angular.JS in web applications. Organizations that rely on Angular.JS for their web applications are at risk of being compromised, leading to potential data breaches, loss of confidentiality, integrity, and availability of services.

Regulatory Compliance:

• Organizations must ensure compliance with regulations such as GDPR, which mandates the protection of personal data. Failure to address this vulnerability could result in regulatory penalties.

Cybersecurity Awareness:

• This vulnerability highlights the importance of maintaining up-to-date software and implementing robust security measures to protect against emerging threats.

6. Technical Details for Security Professionals

Vulnerability Details:

• CVE ID: CVE-2024-54152
• GHSA ID: GHSA-5462-4vcx-jh7j
• Affected Product: Angular Expressions
• Affected Versions: < 1.4.3
• Vendor: peerigon

References:

• GitHub Security Advisory
• NVD Detail
• GitHub Commit
• Angular Expressions Repository

EPSS Score: 17

• The Exploit Prediction Scoring System (EPSS) score of 17 indicates a moderate likelihood of exploitation in the wild.

ENISA IDs:

• Product ID: 8ddb3877-20e3-357f-9949-86114aebbf7f
• Vendor ID: 02907750-7fd2-3072-b900-6e5513870c15

Conclusion: This vulnerability poses a significant risk to organizations using the Angular Expressions module. Immediate action is required to upgrade to the patched version and implement the recommended mitigation strategies to protect against potential exploitation. Regular monitoring and updating of software components are essential to maintain a secure cybersecurity posture.