CVE-2002-0299 in Catchup
Summary
by MITRE
CNet CatchUp before 1.3.1 allows attackers to execute arbitrary code via a .RVP file that creates a file with an arbitrary extension (such as .BAT), which is executed during a scan.
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Analysis
by VulDB Data Team • 10/22/2024
The vulnerability identified as CVE-2002-0299 represents a critical security flaw in CNet CatchUp software versions prior to 1.3.1 that enables remote code execution through malicious file handling. This vulnerability operates through a file extension manipulation technique that exploits the software's inadequate input validation mechanisms during file processing operations. The flaw specifically targets the software's handling of .RVP files, which are used for capturing and storing network traffic data within the CNet CatchUp application environment.
The technical implementation of this vulnerability stems from the software's failure to properly validate file extensions when processing .RVP files during network scanning operations. When an attacker crafts a malicious .RVP file containing a file reference with an arbitrary extension such as .BAT, .CMD, or other executable formats, the application fails to sanitize this input. During the subsequent scan process, the software creates and executes the referenced file with the specified extension, effectively allowing arbitrary code execution on the target system. This represents a classic path traversal and file execution vulnerability that bypasses normal security boundaries through improper file handling.
The operational impact of this vulnerability extends beyond simple code execution to encompass full system compromise capabilities. Attackers can leverage this flaw to install malware, modify system configurations, steal sensitive data, or establish persistent backdoors within the affected network environment. The vulnerability is particularly dangerous because it can be exploited remotely through network-based attacks without requiring local system access. The attack surface is widened by the fact that the vulnerability affects network scanning functionality, making it exploitable in environments where network monitoring tools are actively deployed and monitored.
From a cybersecurity framework perspective, this vulnerability aligns with CWE-73 and CWE-74, which address improper neutralization of special elements used in file names and the use of unsafe methods to execute commands. The attack pattern follows techniques described in the MITRE ATT&CK framework under T1059 for command and scripting interpreter and T1021 for remote services. The vulnerability demonstrates the importance of input validation and proper file handling practices in preventing privilege escalation attacks. Organizations using CNet CatchUp software are particularly vulnerable to this attack vector, as the flaw exists in the core file processing functionality that is essential to the application's primary purpose.
Mitigation strategies for this vulnerability require immediate patching of CNet CatchUp software to version 1.3.1 or later, which includes proper input validation and file extension sanitization. Network administrators should implement additional security controls such as restricting network access to scanning tools, deploying network segmentation to isolate critical systems, and monitoring for unusual file creation patterns. The vulnerability highlights the necessity of secure coding practices and proper input validation in network security applications. Organizations should also consider implementing endpoint protection solutions that can detect and block suspicious file execution patterns. Regular security assessments and vulnerability scanning should be conducted to identify similar flaws in other network monitoring and security tools that may exhibit similar file handling behaviors.