Description
Security Point (Windows) of MaLion and MaLionCloud contains a stack-based buffer overflow vulnerability in processing HTTP headers. Receiving a specially crafted request from a remote unauthenticated attacker could lead to arbitrary code execution with SYSTEM privilege.
EPSS Score:
0%
Comprehensive Technical Analysis of EUVD-2025-199588
1. Vulnerability Assessment and Severity Evaluation
The vulnerability described in EUVD-2025-199588 is a stack-based buffer overflow in the processing of HTTP headers within Security Point (Windows) of MaLion and MaLionCloud. This vulnerability allows a remote, unauthenticated attacker to execute arbitrary code with SYSTEM privileges. The CVSS (Common Vulnerability Scoring System) base score of 9.3 indicates a critical severity level. The scoring 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 highlights the following characteristics:
- Attack Vector (AV): Network (N) - The vulnerability is exploitable over the network.
- Attack Complexity (AC): Low (L) - The attack requires minimal skill or resources.
- Authentication (AT): None (N) - No authentication is required to exploit the vulnerability.
- Privileges Required (PR): None (N) - No privileges are required to exploit the vulnerability.
- User Interaction (UI): None (N) - No user interaction is required to exploit the vulnerability.
- Confidentiality Impact (VC): High (H) - The vulnerability results in a high impact on confidentiality.
- Integrity Impact (VI): High (H) - The vulnerability results in a high impact on integrity.
- Availability Impact (VA): High (H) - The vulnerability results in a high impact on availability.
2. Potential Attack Vectors and Exploitation Methods
The primary attack vector is through crafted HTTP requests. An attacker could send a specially crafted HTTP request containing malicious payloads designed to overflow the stack buffer. This could lead to arbitrary code execution with SYSTEM privileges, allowing the attacker to:
- Gain full control over the affected system.
- Install malware or backdoors.
- Exfiltrate sensitive data.
- Disrupt services or cause denial of service (DoS).
3. Affected Systems and Software Versions
The vulnerability affects the following systems and software versions:
- Security Point (Windows) of MaLionCloud: Versions prior to Ver.7.2.0.1
- Security Point (Windows) of MaLion: Versions prior to Ver.7.1.1.9
4. Recommended Mitigation Strategies
To mitigate this vulnerability, the following strategies are recommended:
- Patch Management: Immediately apply the latest patches provided by Intercom, Inc. Upgrade to versions Ver.7.2.0.1 for MaLionCloud and Ver.7.1.1.9 for MaLion.
- Network Segmentation: Implement network segmentation to isolate critical systems and reduce the attack surface.
- Intrusion Detection/Prevention Systems (IDS/IPS): Deploy IDS/IPS to monitor and block suspicious network traffic.
- Firewall Configuration: Configure firewalls to restrict access to the affected systems and services.
- Regular Audits: Conduct regular security audits and vulnerability assessments to identify and address potential security gaps.
- User Education: Educate users about the risks of phishing and social engineering attacks that could lead to the exploitation of this vulnerability.
5. Impact on European Cybersecurity Landscape
The critical nature of this vulnerability poses significant risks to organizations within the European Union, particularly those using Security Point (Windows) of MaLion and MaLionCloud. The potential for remote code execution with SYSTEM privileges could lead to widespread data breaches, financial losses, and disruptions in critical services. This underscores the importance of timely patching and robust cybersecurity measures to protect against such threats.
6. Technical Details for Security Professionals
- Vulnerability Type: Stack-based buffer overflow.
- Exploitation Method: Crafted HTTP requests targeting the HTTP header processing functionality.
- Impact: Arbitrary code execution with SYSTEM privileges.
- Detection: Monitor for unusual HTTP traffic patterns and anomalies in network behavior.
- Response: Implement incident response plans to quickly identify and mitigate any potential exploitation attempts.
- Prevention: Regularly update and patch systems, employ network security measures, and conduct thorough security assessments.
Conclusion
EUVD-2025-199588 represents a critical vulnerability that requires immediate attention from cybersecurity professionals. Organizations must prioritize patching affected systems and implementing robust security measures to mitigate the risk of exploitation. The potential impact on the European cybersecurity landscape highlights the need for vigilance and proactive security management.