CVE-2023-41727 in Wavelink
Summary
by MITRE • 12/19/2023
An attacker sending specially crafted data packets to the Mobile Device Server can cause memory corruption which could result to a Denial of Service (DoS) or code execution.
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Analysis
by VulDB Data Team • 01/13/2024
The vulnerability identified as CVE-2023-41727 represents a critical security flaw within mobile device server implementations that enables remote attackers to manipulate system memory through crafted network packets. This vulnerability exists in the processing logic of mobile device servers that handle incoming data communications, specifically targeting the memory management mechanisms used during packet parsing and validation. The flaw manifests when the server receives malformed or specially constructed data packets that bypass normal input validation procedures, leading to unpredictable memory state modifications.
The technical nature of this vulnerability stems from insufficient bounds checking and memory allocation validation within the server's packet processing pipeline. When the mobile device server attempts to parse and store the crafted data, it fails to properly validate the packet structure against expected memory boundaries, resulting in buffer overflows or memory corruption conditions. This memory corruption can occur in various server components including network buffers, data structures, or internal memory pools that manage device communication sessions. The vulnerability aligns with CWE-121, which categorizes stack-based buffer overflow conditions, and CWE-122, which covers heap-based buffer overflow scenarios that can lead to memory corruption.
The operational impact of CVE-2023-41727 extends beyond simple denial of service conditions to potentially enable remote code execution capabilities. An attacker exploiting this vulnerability can manipulate the server's memory state to redirect execution flow, inject malicious code, or cause system instability that leads to complete service disruption. The attack surface is particularly concerning as mobile device servers typically handle sensitive communications and may serve as critical infrastructure components for enterprise mobile device management systems. This vulnerability can be leveraged in various attack scenarios including persistent service disruption, data exfiltration, or as a stepping stone for further network infiltration activities.
The threat landscape for this vulnerability is particularly dangerous as it operates at the network level and requires minimal privileges for exploitation. Attackers can remotely target affected systems without requiring physical access or elevated user permissions, making the attack vector highly accessible. The vulnerability's potential for code execution means that successful exploitation could allow attackers to establish persistent access to mobile device management infrastructure, potentially compromising thousands of connected devices. This aligns with ATT&CK technique T1190 which covers exploitation of remote services, and T1059 which covers command and scripting interpreter usage. Organizations should implement immediate mitigation strategies including network segmentation, packet filtering rules, and service updates to address this vulnerability before it can be exploited in real-world scenarios.
Mitigation strategies should focus on both immediate defensive measures and long-term architectural improvements. Network administrators should implement strict packet filtering rules at perimeter devices to prevent malformed traffic from reaching vulnerable servers, while also ensuring that all mobile device servers receive timely security patches from vendors. The implementation of intrusion detection systems can help identify anomalous packet patterns that may indicate exploitation attempts. Additionally, organizations should consider implementing application-level firewalls and input validation controls to further reduce the attack surface. Regular security assessments and penetration testing should be conducted to verify the effectiveness of implemented controls and identify potential additional vulnerabilities in mobile device management infrastructure.