Description
Northern.tech Mender Client 4.x before 4.0.5 has Insecure Permissions.
EPSS Score:
0%
Comprehensive Technical Analysis of EUVD-2024-52867
1. Vulnerability Assessment and Severity Evaluation
The vulnerability identified in the EUVD entry EUVD-2024-52867 pertains to the Northern.tech Mender Client versions 4.x before 4.0.5, which has insecure permissions. The CVSS (Common Vulnerability Scoring System) base score of 9.1 indicates a critical severity level. The CVSS vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N breaks down as follows:
- Attack Vector (AV): Network (N) - The vulnerability is exploitable over the network.
- Attack Complexity (AC): Low (L) - The attack requires minimal skill or resources.
- Privileges Required (PR): None (N) - No special privileges are required 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) - There is a high impact on the confidentiality of the system.
- Integrity (I): High (H) - There is a high impact on the integrity of the system.
- Availability (A): None (N) - There is no impact on the availability of the system.
Given these metrics, the vulnerability poses a significant risk to the confidentiality and integrity of affected systems.
2. Potential Attack Vectors and Exploitation Methods
The insecure permissions vulnerability can be exploited through several attack vectors:
- Network-Based Attacks: Given the network attack vector, an attacker could potentially exploit this vulnerability remotely without needing physical access to the device.
- Unauthorized Access: Due to insecure permissions, an attacker could gain unauthorized access to sensitive data or system functionalities.
- Data Manipulation: The high integrity impact suggests that an attacker could modify system data, leading to unauthorized changes or corruption.
- Privilege Escalation: Although the CVSS vector indicates no special privileges are required, an attacker could potentially escalate privileges once initial access is gained.
3. Affected Systems and Software Versions
The vulnerability affects Northern.tech Mender Client versions 4.x before 4.0.5. Organizations using these versions are at risk and should prioritize updating to a patched version.
4. Recommended Mitigation Strategies
To mitigate the risk associated with this vulnerability, the following strategies are recommended:
- Update to the Latest Version: Immediately update the Mender Client to version 4.0.5 or later, which addresses the insecure permissions issue.
- Network Segmentation: Implement network segmentation to limit the attack surface and reduce the risk of lateral movement by attackers.
- Access Controls: Enforce strict access controls and monitor for any unauthorized access attempts.
- Regular Audits: Conduct regular security audits and vulnerability assessments to identify and remediate similar issues.
- Intrusion Detection Systems (IDS): Deploy IDS to detect and respond to any suspicious activities that may indicate an exploitation attempt.
5. Impact on European Cybersecurity Landscape
The vulnerability poses a significant threat to the European cybersecurity landscape, particularly for organizations relying on Northern.tech Mender Client for device management. The high confidentiality and integrity impacts could lead to data breaches, unauthorized access, and potential compliance violations under regulations such as GDPR.
6. Technical Details for Security Professionals
For security professionals, the following technical details are pertinent:
- Vulnerability Identification: The vulnerability is identified as CVE-2024-55959 and is assigned by Mitre.
- References: Additional information can be found at the provided references:
- ENISA IDs: The ENISA IDs for the product and vendor are not available, indicating that further details may need to be sourced directly from Northern.tech or Mender.io.
- EPSS: The EPSS (Exploit Prediction Scoring System) score is not available, suggesting that the likelihood of exploitation in the wild is currently unknown.
Conclusion
The vulnerability in Northern.tech Mender Client 4.x before 4.0.5 is critical and requires immediate attention. Organizations should prioritize updating to the latest version and implement additional security measures to mitigate the risk. The potential impact on confidentiality and integrity underscores the need for vigilant monitoring and proactive security management.