Description
Command injection vulnerability in the underlying CLI service could lead to unauthenticated remote code execution by sending specially crafted packets destined to the PAPI (Aruba's Access Point management protocol) UDP port (8211). Successful exploitation of this vulnerability results in the ability to execute arbitrary code as a privileged user on the underlying operating system.
EPSS Score:
0%
Comprehensive Technical Analysis of EUVD-2024-39657
1. Vulnerability Assessment and Severity Evaluation
The vulnerability described in EUVD-2024-39657 is a command injection flaw in the CLI service of HPE Aruba Networking Access Points. This vulnerability allows unauthenticated remote code execution (RCE) by sending specially crafted packets to the PAPI UDP port (8211). The severity of this vulnerability is critical, as indicated by its CVSS Base Score of 9.8. 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 is exploitable over the network.
- Attack Complexity (AC): Low (L) - The attack requires minimal skill or resources.
- Privileges Required (PR): None (N) - No authentication is required to exploit the vulnerability.
- User Interaction (UI): None (N) - No user interaction is required.
- Scope (S): Unchanged (U) - The vulnerability does not affect other systems beyond the targeted device.
- Confidentiality (C): High (H) - Complete loss of confidentiality.
- Integrity (I): High (H) - Complete loss of integrity.
- Availability (A): High (H) - Complete loss of availability.
2. Potential Attack Vectors and Exploitation Methods
The primary attack vector involves sending specially crafted UDP packets to the PAPI port (8211) on the vulnerable device. An attacker could exploit this vulnerability by:
- Network Scanning: Identifying devices with the PAPI port open.
- Crafting Malicious Packets: Creating UDP packets designed to trigger the command injection flaw.
- Executing Arbitrary Code: Once the injection is successful, the attacker can execute arbitrary code with privileged access.
3. Affected Systems and Software Versions
The vulnerability affects the following HPE Aruba Networking Access Points and software versions:
- Instant AOS-8.12.x.x: Versions 8.12.0.2 and below
- Instant AOS-8.10.x.x: Versions 8.10.0.13 and below
- AOS-10.4.x.x: Versions 10.4.1.4 and below
4. Recommended Mitigation Strategies
To mitigate the risk associated with this vulnerability, the following actions are recommended:
- Patch Management: Immediately apply the latest patches and updates provided by HPE for the affected software versions.
- Network Segmentation: Isolate vulnerable devices from public networks and restrict access to the PAPI port (8211).
- Firewall Rules: Implement firewall rules to block unsolicited traffic to the PAPI port.
- Intrusion Detection Systems (IDS): Deploy IDS to monitor for suspicious network activity targeting the PAPI port.
- Regular Audits: Conduct regular security audits and vulnerability assessments to identify and address similar issues.
5. Impact on European Cybersecurity Landscape
The impact of this vulnerability on the European cybersecurity landscape is significant due to the widespread use of HPE Aruba Networking Access Points in various sectors, including healthcare, education, and enterprise environments. Unpatched systems could lead to:
- Data Breaches: Unauthorized access to sensitive data.
- Service Disruptions: Compromised devices could be used to disrupt network services.
- Compliance Issues: Non-compliance with data protection regulations such as GDPR.
6. Technical Details for Security Professionals
For security professionals, the following technical details are crucial:
- Detection: Monitor network traffic for unusual UDP packets targeting port 8211. Use tools like Wireshark or network monitoring solutions to analyze packet contents.
- Exploitation: Understand that the vulnerability allows command injection, which can be leveraged to execute arbitrary commands on the underlying operating system.
- Response: Develop incident response plans that include isolating affected devices, applying patches, and conducting forensic analysis to determine the extent of the compromise.
- Prevention: Implement robust security controls, including regular patching, network segmentation, and continuous monitoring.
Conclusion
EUVD-2024-39657 represents a critical vulnerability in HPE Aruba Networking Access Points that requires immediate attention. Organizations should prioritize patching affected systems and implementing additional security measures to mitigate the risk of exploitation. The potential impact on European cybersecurity underscores the importance of proactive vulnerability management and incident response planning.
References
This analysis provides a comprehensive overview for cybersecurity professionals to understand and address the vulnerability effectively.