CVE-2005-1815 in Connectivity
Summary
by MITRE
Multiple buffer overflows in Hummingbird Connectivity inetD 10.0.0.1 and 9.0.0.4 allows attackers to cause a denial of service and possibly execute arbitrary code via (1) an FTP command with a long argument to FTPD (ftpdw.exe) or (2) a large amount of data to LPD (Lpdw.exe).
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Analysis
by VulDB Data Team • 06/06/2019
The vulnerability identified as CVE-2005-1815 represents a critical security flaw in Hummingbird Connectivity inetD versions 10.0.0.1 and 9.0.0.4 that exposes multiple buffer overflow conditions within the network services they provide. This issue affects the core inetD daemon functionality that manages various network services including FTP and LPD protocols, making it a significant concern for systems relying on these connectivity solutions. The vulnerability stems from insufficient input validation and improper buffer management in the handling of network requests, creating exploitable conditions that can be leveraged by malicious actors to compromise system integrity.
The technical implementation of this vulnerability manifests through two distinct attack vectors that exploit different service components within the Hummingbird Connectivity suite. The first vector targets the FTPD service through ftpdw.exe, where an attacker can craft an FTP command with an excessively long argument that exceeds the allocated buffer space, causing the application to overwrite adjacent memory segments. This buffer overflow condition in the FTP service represents a classic stack-based buffer overflow vulnerability that can lead to arbitrary code execution or complete service termination. The second vector attacks the LPD service via Lpdw.exe, where large amounts of data can be sent to the Line Printer Daemon service, overwhelming its buffer allocation and triggering similar memory corruption behaviors.
The operational impact of this vulnerability extends beyond simple denial of service conditions to potentially enable remote code execution capabilities that could allow attackers to gain unauthorized access to affected systems. When exploited successfully, these buffer overflows can result in complete system compromise, enabling attackers to execute malicious code with the privileges of the affected service processes. The implications are particularly severe given that inetD daemons typically run with elevated privileges and manage critical network services that are essential for system operations. Organizations utilizing these vulnerable versions face significant risk of unauthorized access, data compromise, and potential lateral movement within their network infrastructure.
Mitigation strategies for CVE-2005-1815 should prioritize immediate patching of affected systems with the vendor-provided security updates that address the buffer overflow conditions in both FTPD and LPD components. System administrators must implement proper input validation controls and monitoring mechanisms to detect anomalous network traffic patterns that may indicate exploitation attempts. Network segmentation and access controls should be reinforced to limit exposure of vulnerable services to untrusted networks, while regular security assessments should be conducted to identify and remediate similar vulnerabilities in other network services. This vulnerability aligns with CWE-121 stack-based buffer overflow conditions and represents a typical target for ATT&CK technique T1203, which involves the exploitation of input validation flaws to achieve remote code execution. Organizations should also consider implementing intrusion detection systems that can identify suspicious FTP and LPD traffic patterns that may indicate exploitation attempts.