EUVD-2024-1274

Comprehensive Technical Analysis of EUVD-2024-1274

1. Vulnerability Assessment and Severity Evaluation

The vulnerability EUVD-2024-1274 affects HashiCorp’s go-getter library, specifically in its handling of Git commands to discover remote branches. This vulnerability allows for argument injection, which can lead to arbitrary command execution. The severity of this vulnerability is rated with a CVSS Base Score of 9.8, indicating a critical risk. The CVSS vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H highlights the following characteristics:

• Attack Vector (AV): Network (N) - The vulnerability can be exploited remotely over the network.
• Attack Complexity (AC): Low (L) - The attack requires minimal skill or resources.
• Privileges Required (PR): None (N) - No special privileges are needed to exploit the vulnerability.
• User Interaction (UI): None (N) - No user interaction is required for the attack to succeed.
• Scope (S): Unchanged (U) - The vulnerability does not change the security scope.
• Confidentiality (C): High (H) - The vulnerability can lead to a significant breach of confidentiality.
• Integrity (I): High (H) - The vulnerability can lead to a significant breach of integrity.
• Availability (A): High (H) - The vulnerability can lead to a significant breach of availability.

2. Potential Attack Vectors and Exploitation Methods

The primary attack vector involves injecting malicious arguments into the Git commands executed by the go-getter library. An attacker could exploit this vulnerability by:

• Crafting Malicious URLs: Creating specially crafted URLs that, when processed by the go-getter library, inject malicious commands.
• Man-in-the-Middle (MitM) Attacks: Intercepting and modifying network traffic to inject malicious arguments into Git commands.
• Supply Chain Attacks: Compromising upstream repositories or dependencies to include malicious code that exploits the vulnerability.

3. Affected Systems and Software Versions

The vulnerability affects the following versions of the go-getter library:

• Shared library version 1.5.9 to 1.7.3: These versions are vulnerable to argument injection.
• All versions prior to the fix: Any version of the go-getter library that does not include the patch for this vulnerability is at risk.

The go-getter/v2 branch and package are not affected by this vulnerability.

4. Recommended Mitigation Strategies

To mitigate the risk associated with this vulnerability, the following actions are recommended:

• Update to the Latest Version: Upgrade to the latest version of the go-getter library that includes the fix for this vulnerability.
• Input Validation: Implement strict input validation and sanitization for all URLs and arguments processed by the go-getter library.
• Network Security: Use secure communication channels (e.g., HTTPS) to prevent MitM attacks.
• Monitoring and Logging: Enhance monitoring and logging to detect and respond to any suspicious activities related to Git commands.
• Access Controls: Implement strict access controls to limit the exposure of the go-getter library to trusted sources only.

5. Impact on European Cybersecurity Landscape

The vulnerability poses a significant risk to organizations and individuals within the European Union that rely on HashiCorp’s go-getter library. The potential for arbitrary command execution can lead to data breaches, unauthorized access, and disruption of services. Given the critical nature of the vulnerability, it is essential for organizations to prioritize patching and implementing robust security measures to protect against exploitation.

6. Technical Details for Security Professionals

• Vulnerability Details: The vulnerability arises from insufficient validation of arguments passed to Git commands, allowing an attacker to inject malicious commands.
• Patch Information: The fix for this vulnerability is available in the go-getter library's GitHub repository. The specific commit addressing the issue is 268c11cae8cf0d9374783e06572679796abe9ce9.
• References:
  • NVD Entry
  • GitHub Commit
  • HashiCorp Discussion
  • go-getter Repository

By addressing this vulnerability promptly and effectively, organizations can significantly reduce the risk of exploitation and maintain the integrity and security of their systems.