CVE-2006-5269 in ServerProtect
Summary
by MITRE
Heap-based buffer overflow in an unspecified procedure in Trend Micro ServerProtect 5.7 and 5.58 allows remote attackers to execute arbitrary code via unknown vectors, probably related to an RPC interface.
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Analysis
by VulDB Data Team • 06/15/2025
The vulnerability identified as CVE-2006-5269 represents a critical heap-based buffer overflow flaw within Trend Micro ServerProtect versions 5.7 and 5.58. This security weakness resides in an unspecified procedure that handles remote procedure call interfaces, making it particularly dangerous as it can be exploited over a network without requiring local access. The vulnerability's classification as heap-based indicates that the buffer overflow occurs within the heap memory segment, which is dynamically allocated during program execution and typically managed by the operating system's memory management subsystem. Such memory corruption vulnerabilities are particularly severe because they can lead to arbitrary code execution, making them prime targets for attackers seeking to compromise systems.
The technical nature of this vulnerability stems from improper input validation within the RPC interface handling mechanisms of ServerProtect. When the system processes incoming RPC requests, it fails to properly validate the size or content of data structures being passed through the interface, allowing an attacker to overflow allocated heap memory buffers. This type of vulnerability is categorized under CWE-121 as heap-based buffer overflow, which occurs when a program writes data beyond the boundaries of heap-allocated buffers. The attack vector is remote, meaning that exploitation can occur without physical access to the target system, making it particularly concerning for networked environments where the service may be exposed to untrusted networks. The RPC interface serves as a communication channel between client and server components, making it a logical target for attackers seeking to gain unauthorized access to systems.
The operational impact of this vulnerability extends beyond simple code execution, as it provides attackers with the capability to fully compromise affected systems. Successful exploitation could enable attackers to gain elevated privileges, install backdoors, modify system configurations, or exfiltrate sensitive data from servers protected by Trend Micro ServerProtect. The vulnerability affects systems where ServerProtect is installed and actively running, particularly those with the RPC service enabled, which is often required for legitimate administrative functions. Organizations using these specific versions of ServerProtect face significant risk exposure, especially in environments where the service is accessible from external networks or where network segmentation is inadequate. The vulnerability's potential for remote code execution places it in the ATT&CK framework under the Tactic of Execution, specifically targeting the use of system services and remote access protocols that are commonly utilized by attackers to establish persistent access to compromised systems.
Mitigation strategies for CVE-2006-5269 primarily focus on immediate remediation through vendor-provided patches and updates to Trend Micro ServerProtect versions that address the buffer overflow vulnerability. Organizations should prioritize upgrading to patched versions of ServerProtect, as Trend Micro would have released security updates specifically addressing this heap-based buffer overflow issue. Network segmentation should be implemented to restrict access to the RPC interfaces, limiting exposure to trusted networks only. Additionally, implementing network monitoring solutions to detect anomalous RPC traffic patterns can help identify potential exploitation attempts. Security professionals should also consider disabling unnecessary RPC services and applying the principle of least privilege to reduce the attack surface. Regular vulnerability assessments and security audits should be conducted to identify similar issues within the broader server environment, as this vulnerability demonstrates the importance of proper input validation in network services. The remediation process should include thorough testing of patches in controlled environments before deployment to production systems to ensure compatibility with existing configurations and prevent service disruptions.