CVE-2024-33512 in ArubaOS
Summary
by MITRE • 05/01/2024
There is a buffer overflow vulnerability in the underlying Local User Authentication Database service that 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.
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Analysis
by VulDB Data Team • 05/01/2024
The vulnerability identified as CVE-2024-33512 represents a critical buffer overflow flaw within Aruba's Local User Authentication Database service component. This weakness exists in the processing of packets transmitted over the PAPI protocol which operates on UDP port 8211, making it accessible to remote attackers without requiring authentication credentials. The vulnerability stems from inadequate input validation and memory management practices within the authentication service implementation, creating an exploitable condition that allows attackers to manipulate memory layout and potentially overwrite critical program execution structures. Such flaws typically arise from insufficient bounds checking when handling incoming network data, particularly in protocols designed for network device management and authentication.
The technical exploitation of this vulnerability enables remote code execution with elevated privileges, as the buffer overflow occurs within a service that operates with system-level permissions. When maliciously crafted packets are sent to the designated UDP port 8211, they trigger memory corruption that can be leveraged to overwrite return addresses, function pointers, or other critical execution metadata within the process memory space. This memory corruption fundamentally compromises the integrity of the authentication service and potentially the entire operating system. The vulnerability aligns with CWE-121, which describes heap-based buffer overflow conditions, and represents a classic example of how improper memory management in network services can create pathways for complete system compromise. Attackers can potentially inject and execute arbitrary code with the privileges of the authenticated service account, often equivalent to root or system-level access.
The operational impact of this vulnerability extends beyond simple remote code execution, as it fundamentally undermines the security posture of Aruba network infrastructure deployments. Organizations utilizing affected Aruba access points and wireless controllers face potential compromise of their entire wireless network infrastructure, as the vulnerability allows attackers to establish persistent access points within the network. The lack of authentication requirements for exploitation makes this particularly dangerous, as attackers can target these services from any network location without needing valid credentials. This vulnerability can enable attackers to perform lateral movement within the network, establish command and control channels, and potentially exfiltrate sensitive data from the wireless infrastructure. The impact is particularly severe in enterprise environments where wireless networks serve as critical access points for business operations, as the compromise of wireless authentication services can lead to complete network infiltration and data breaches.
Mitigation strategies for CVE-2024-33512 should prioritize immediate patch deployment from Aruba, as this represents a critical vulnerability requiring urgent attention. Network administrators should implement network segmentation to restrict access to UDP port 8211, particularly at the firewall level, to limit exposure to unauthorized network segments. The implementation of network monitoring solutions capable of detecting anomalous packet patterns targeting the PAPI protocol can provide early warning of exploitation attempts. Additionally, organizations should consider disabling the PAPI protocol entirely if it is not required for their specific deployment, as this removes the attack surface entirely. The vulnerability demonstrates the importance of implementing proper network access controls and principle of least privilege configurations, as outlined in the mitre ATT&CK framework under the T1071.004 technique for application layer protocol usage. Regular security assessments and network scanning should be conducted to identify any potential exploitation attempts, while maintaining detailed logging of authentication service activities to support forensic analysis if compromise occurs.