CVE-2008-6415 in CCProxy
Summary
by MITRE
Buffer overflow in YoungZSoft CCProxy 6.5 might allow remote attackers to execute arbitrary code via a CONNECTION request with a long hostname.
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Analysis
by VulDB Data Team • 05/24/2025
The vulnerability identified as CVE-2008-6415 represents a critical buffer overflow flaw within YoungZSoft CCProxy version 6.5, a widely used proxy server software that facilitates network traffic management and access control. This vulnerability resides in the handling of CONNECTION requests that contain excessively long hostname values, creating a potential pathway for remote code execution attacks. The flaw specifically manifests when the proxy server processes incoming requests that exceed the allocated buffer size for hostname storage, leading to memory corruption that can be exploited by malicious actors.
The technical implementation of this vulnerability stems from inadequate input validation within the proxy server's request processing mechanism. When a CONNECTION request is received with a hostname exceeding the predefined buffer limits, the software fails to properly truncate or reject the excessive data, resulting in a classic stack-based buffer overflow condition. This memory corruption can overwrite adjacent memory locations including return addresses and control data, allowing attackers to redirect program execution flow. The vulnerability aligns with CWE-121, which categorizes stack-based buffer overflow conditions, and represents a significant security weakness in the software's memory management practices.
From an operational perspective, this vulnerability poses severe risks to organizations relying on CCProxy 6.5 for network security and access control. Remote attackers can exploit this flaw without requiring authentication, making it particularly dangerous for systems exposed to untrusted networks. Successful exploitation could enable attackers to execute arbitrary code with the privileges of the proxy server process, potentially leading to complete system compromise. The impact extends beyond immediate code execution as attackers may use this foothold to establish persistent access, escalate privileges, or deploy additional malware. This vulnerability directly impacts the confidentiality, integrity, and availability of network services protected by the compromised proxy server.
Organizations affected by this vulnerability should implement immediate mitigations including upgrading to a patched version of YoungZSoft CCProxy or applying the vendor-provided security patches. Network segmentation and access controls should be strengthened to limit exposure of vulnerable proxy servers to untrusted networks. The implementation of intrusion detection systems can help identify exploitation attempts through unusual CONNECTION request patterns. Additionally, regular security assessments should be conducted to identify other potential buffer overflow vulnerabilities in legacy systems. This vulnerability demonstrates the importance of proper input validation and memory safety practices, aligning with ATT&CK technique T1059 for command and script interpreter usage, as attackers may leverage this vulnerability to establish command execution capabilities. Organizations should also consider implementing network monitoring solutions to detect anomalous proxy traffic patterns that could indicate exploitation attempts, while maintaining proper network hygiene through regular patch management and vulnerability assessment procedures.