CVE-2013-4838 in LoadRunner
Summary
by MITRE
Unspecified vulnerability in Virtual User Generator in HP LoadRunner before 11.52 allows remote attackers to execute arbitrary code via unknown vectors, aka ZDI-CAN-1850.
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Analysis
by VulDB Data Team • 01/10/2022
The vulnerability identified as CVE-2013-4838 represents a critical security flaw within HP LoadRunner's Virtual User Generator component, affecting versions prior to 11.52. This issue falls under the category of unspecified vulnerability, indicating that the exact technical mechanism enabling remote code execution remains partially obscured in the initial disclosure. The Virtual User Generator serves as a core component for creating and managing automated test scenarios in load testing environments, making its compromise particularly dangerous for organizations relying on HP LoadRunner for performance validation of their applications.
The technical nature of this vulnerability allows remote attackers to execute arbitrary code on systems running affected versions of HP LoadRunner, creating a significant attack surface that could be exploited from outside the network perimeter. The unspecified vectors suggest that the flaw may involve multiple potential entry points including but not limited to buffer overflows, input validation failures, or improper handling of user-supplied data within the Virtual User Generator functionality. This ambiguity in the vulnerability description often indicates either incomplete initial analysis or deliberate obfuscation by the vendor to prevent immediate exploitation patterns from being widely disseminated.
From an operational impact perspective, this vulnerability poses severe risks to organizations utilizing HP LoadRunner for performance testing and load generation activities. Attackers who successfully exploit this vulnerability could gain full control over systems running the affected software, potentially leading to complete system compromise, data exfiltration, or disruption of critical business applications. The implications extend beyond immediate system compromise as attackers could use the compromised load testing infrastructure to launch further attacks against internal networks or to conduct more sophisticated reconnaissance activities. The attack surface is particularly concerning given that load testing environments often contain sensitive application data, system configurations, and network topology information that could be valuable to adversaries.
The vulnerability aligns with several cybersecurity frameworks and threat modeling concepts, particularly those related to attack surface reduction and privilege escalation. From a CWE perspective, this issue demonstrates characteristics similar to CWE-119, which encompasses weak input validation and memory corruption vulnerabilities that enable arbitrary code execution. The ATT&CK framework would classify this vulnerability under initial access and execution phases, potentially leveraging techniques such as exploitation of remote services and command and control communications. Organizations should consider this vulnerability as part of broader security assessments targeting application security, network infrastructure, and software supply chain integrity.
Mitigation strategies for CVE-2013-4838 should prioritize immediate patching of all affected HP LoadRunner installations to version 11.52 or later, as this represents the most effective defense against exploitation. Network segmentation should be implemented to isolate load testing environments from critical production systems, while monitoring solutions should be deployed to detect anomalous behavior indicative of exploitation attempts. Organizations should also conduct comprehensive vulnerability assessments of their load testing infrastructure and implement principle of least privilege access controls for Virtual User Generator components. Additionally, regular security updates and patch management processes should be strengthened to ensure timely remediation of similar vulnerabilities across the entire software portfolio.