EUVD-2024-19287

Comprehensive Technical Analysis of EUVD-2024-19287

1. Vulnerability Assessment and Severity Evaluation

The vulnerability identified in EUVD-2024-19287 pertains to a remote code execution (RCE) flaw in the Discord-Recon bot. This vulnerability allows an attacker to execute arbitrary shell commands on the server hosting the bot, even without administrative privileges. The severity of this vulnerability is rated with a CVSS (Common Vulnerability Scoring System) base score of 10.0, which is the highest possible score, indicating a critical risk.

CVSS Vector Breakdown:

• AV:N (Network Vector): The vulnerability is exploitable over the network.
• AC:L (Low Complexity): The attack requires low skill or resources to exploit.
• PR:L (Low Privileges Required): The attacker needs low-level privileges to exploit the vulnerability.
• UI:N (No User Interaction): No user interaction is required for the attack to succeed.
• S:C (Changed Scope): The vulnerability can affect resources beyond the security scope managed by the security authority of the vulnerable component.
• C:H (High Confidentiality Impact): There is a complete loss of confidentiality.
• I:H (High Integrity Impact): There is a complete loss of integrity.
• A:H (High Availability Impact): There is a complete loss of availability.

2. Potential Attack Vectors and Exploitation Methods

Attack Vectors:

• Unauthenticated RCE: An attacker can send specially crafted messages to the Discord server where the Discord-Recon bot is active, leading to the execution of arbitrary shell commands.
• Phishing and Social Engineering: Attackers might use social engineering techniques to trick users into interacting with the bot in a way that triggers the vulnerability.

Exploitation Methods:

• Command Injection: The attacker can inject malicious commands into the bot's input, which are then executed by the underlying system.
• Payload Delivery: Attackers can deliver payloads that exploit the RCE vulnerability to gain control over the server, exfiltrate data, or disrupt services.

3. Affected Systems and Software Versions

Affected Systems:

• Any server running the Discord-Recon bot version prior to 0.0.8.

Software Versions:

• Discord-Recon versions < 0.0.8 are vulnerable.
• The vulnerability has been fixed in version 0.0.8.

4. Recommended Mitigation Strategies

Immediate Actions:

• Update to the Latest Version: Ensure that all instances of the Discord-Recon bot are updated to version 0.0.8 or later.
• Disable the Bot Temporarily: If updating is not immediately possible, disable the bot to prevent exploitation.

Long-Term Mitigations:

• Regular Patch Management: Implement a robust patch management program to ensure all software is kept up-to-date.
• Input Validation: Enhance input validation mechanisms to prevent command injection attacks.
• Least Privilege Principle: Ensure that the bot runs with the least privileges necessary to minimize the impact of potential exploits.
• Network Segmentation: Segment the network to limit the scope of potential attacks.

5. Impact on European Cybersecurity Landscape

The vulnerability in Discord-Recon poses a significant risk to organizations and individuals using the bot for bug bounty recon and automated scans. Given the bot's functionality, it is likely used by cybersecurity professionals and researchers, making it a high-value target for attackers. The potential for RCE can lead to data breaches, service disruptions, and unauthorized access to sensitive information, which can have far-reaching implications for European cybersecurity.

6. Technical Details for Security Professionals

Vulnerability Details:

• CVE ID: CVE-2024-21663
• GSD ID: GSD-2024-21663
• EPSS Score: 4 (indicating a moderate likelihood of exploitation in the wild)

References:

• GitHub Advisory: GHSA-fjcj-g7x8-4rp7
• Issue Tracker: Issue #23
• Fix Commit: Commit f9cb0f67177f5e2f1022295ca8e641e47837ec7a

ENISA IDs:

• Product IDs:
  • 01765a6a-74b5-34c6-93f6-7406374be5df (Discord-Recon < 0.0.8)
  • 59094189-d41b-336f-91e7-eb2f1fa5915a (Discord-Recon)
• Vendor ID: 9b3af19e-1588-33ae-892f-691d750b16db (DEMON1A)

Conclusion: The RCE vulnerability in Discord-Recon is a critical issue that requires immediate attention. Organizations and individuals using the bot should prioritize updating to the latest version and implement additional security measures to mitigate the risk of exploitation. The European cybersecurity community should remain vigilant and proactive in addressing such vulnerabilities to ensure the integrity and security of digital assets.