CVE-2010-1319 in Helix Server
Summary
by MITRE
Integer overflow in the AgentX::receive_agentx function in AgentX++ 1.4.16, as used in RealNetworks Helix Server and Helix Mobile Server 11.x through 13.x and other products, allows remote attackers to execute arbitrary code via a request with a crafted payload length.
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Analysis
by VulDB Data Team • 04/19/2025
The vulnerability described in CVE-2010-1319 represents a critical integer overflow condition within the AgentX::receive_agentx function of AgentX++ version 1.4.16. This flaw exists in RealNetworks Helix Server and Helix Mobile Server versions 11.x through 13.x, as well as in other products that incorporate this specific AgentX++ library version. The vulnerability stems from improper handling of payload length parameters during network communication processing, creating a scenario where an attacker can manipulate input data to trigger unexpected behavior in the affected software systems.
The technical implementation of this vulnerability involves an integer overflow condition that occurs when the AgentX::receive_agentx function processes incoming requests. When a maliciously crafted request is sent with an oversized payload length field, the system fails to properly validate or constrain the integer value before using it in memory allocation or processing operations. This overflow condition can cause the integer value to wrap around to a much smaller number, leading to insufficient memory allocation or incorrect buffer boundaries. The resulting memory corruption allows attackers to manipulate the program execution flow and potentially execute arbitrary code with the privileges of the affected service.
From an operational perspective, this vulnerability presents a severe risk to systems running affected versions of RealNetworks Helix Server or Helix Mobile Server. Remote attackers can exploit this flaw without requiring authentication, making it particularly dangerous in networked environments where these servers are accessible to untrusted parties. The impact extends beyond simple code execution to potentially allow full system compromise, especially when the affected servers run with elevated privileges. Network administrators face significant challenges in mitigating this vulnerability as it requires immediate patching of the underlying AgentX++ library, which may involve updating core server software components.
The vulnerability aligns with CWE-190, Integer Overflow or Wraparound, which specifically addresses issues where integer arithmetic operations produce results that exceed the maximum value representable by the data type. This classification emphasizes the fundamental nature of the flaw as a mathematical operation that fails to properly handle boundary conditions. Additionally, the attack vector maps to ATT&CK technique T1203, Exploitation for Client Execution, as the vulnerability enables remote code execution through network-based attacks targeting the affected server software. Organizations implementing security controls should consider this vulnerability within their threat modeling frameworks, particularly when assessing the security posture of legacy server infrastructure that may not receive regular updates.
Mitigation strategies for CVE-2010-1319 require immediate action to patch the underlying AgentX++ library or upgrade to affected RealNetworks Helix Server versions that address this specific integer overflow condition. Network segmentation and firewall rules should be implemented to restrict access to affected servers, particularly in environments where the servers are exposed to untrusted networks. System administrators should also monitor for unusual network traffic patterns or unauthorized access attempts that may indicate exploitation attempts. Regular vulnerability assessments and penetration testing should be conducted to identify similar integer overflow conditions in other software components that may be subject to similar vulnerabilities. The remediation process must include thorough testing of patches to ensure compatibility with existing server configurations and services.