CVE-2008-2390 in Software Update
Summary
by MITRE
Hpufunction.dll 4.0.0.1 in HP Software Update exposes the unsafe (1) ExecuteAsync and (2) Execute methods, which allows remote attackers to execute arbitrary code via an absolute pathname in the first argument.
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Analysis
by VulDB Data Team • 10/21/2024
The vulnerability identified as CVE-2008-2390 represents a critical security flaw in the Hpufunction.dll component version 4.0.0.1 that is part of HP Software Update. This library exposes two dangerous methods ExecuteAsync and Execute which can be exploited by remote attackers to execute arbitrary code on affected systems. The vulnerability stems from improper input validation within the function parameters, specifically allowing attackers to manipulate the first argument which contains an absolute pathname. The flaw exists in the way the software handles file paths passed to these methods, creating an opportunity for privilege escalation and code execution.
The technical implementation of this vulnerability falls under CWE-78, which describes improper neutralization of special elements used in OS commands, commonly known as OS command injection. The unsafe handling of absolute pathnames in the first argument of these methods creates a direct path for attackers to inject malicious commands that will be executed with the privileges of the affected process. Attackers can leverage this by crafting specially formatted pathnames that contain executable code or commands which will be interpreted and executed by the vulnerable software. The exposure of these methods through the Hpufunction.dll library provides an attack surface that can be exploited without requiring local system access, making it particularly dangerous for remote exploitation scenarios.
From an operational impact perspective, this vulnerability poses significant risks to systems running affected versions of HP Software Update. The ability to execute arbitrary code remotely means attackers can potentially gain complete control over affected systems, install backdoors, modify system files, or establish persistent access. The vulnerability affects the integrity and confidentiality of the system as it allows unauthorized execution of malicious payloads. The attack vector does not require authentication, making it particularly attractive to threat actors seeking to compromise systems at scale. Organizations using HP Software Update versions containing this vulnerable DLL are at risk of unauthorized code execution, which could lead to data breaches, system compromise, and potential lateral movement within networks.
The exploitation of this vulnerability aligns with tactics described in the MITRE ATT&CK framework under T1059, which covers command and scripting interpreter techniques. The attack pattern involves the use of legitimate system utilities and interfaces to execute malicious code, making detection more challenging. Organizations should implement immediate mitigations including patching the vulnerable Hpufunction.dll component to the latest version from HP, applying security updates, and implementing network segmentation to limit access to affected systems. Additionally, monitoring for suspicious file path patterns and implementing input validation controls can help detect and prevent exploitation attempts. The vulnerability highlights the importance of proper input sanitization and the principle of least privilege in software development practices to prevent such dangerous exposure of system functions.