CVE-2007-6506 in Software Update
Summary
by MITRE
The HPRulesEngine.ContentCollection.1 ActiveX Control in RulesEngine.dll for HP Software Update 4.000.005.007 and earlier, including 3.0.8.4, allows remote attackers to (1) overwrite and corrupt arbitrary files via arguments to the SaveToFile method, and possibly (2) access arbitrary files via the LoadDataFromFile method.
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Analysis
by VulDB Data Team • 06/01/2025
The CVE-2007-6506 vulnerability affects the HPRulesEngine.ContentCollection.1 ActiveX control embedded in HP Software Update versions 4.000.005.007 and earlier, including version 3.0.8.4. This represents a critical security flaw within HP's software update mechanism that exposes users to potential file corruption and unauthorized data access. The vulnerability specifically targets the RulesEngine.dll component which handles content management operations through its ActiveX interface, making it particularly dangerous in environments where ActiveX controls are enabled and trusted by users.
The technical implementation of this vulnerability stems from insufficient input validation within the SaveToFile and LoadDataFromFile methods of the ActiveX control. Attackers can exploit this weakness by crafting malicious arguments that manipulate file paths and operations, allowing them to overwrite arbitrary files on the target system with potentially harmful content. The SaveToFile method becomes a vector for file corruption and overwriting operations, while the LoadDataFromFile method enables unauthorized file access, potentially exposing sensitive data or system resources. This dual nature of the vulnerability creates multiple attack surfaces that can be leveraged for both destructive and reconnaissance purposes.
The operational impact of CVE-2007-6506 extends beyond simple file manipulation, creating potential pathways for privilege escalation and system compromise. When exploited, attackers can corrupt critical system files, modify configuration data, or inject malicious content into legitimate files, potentially leading to persistent access or denial of service conditions. The vulnerability particularly affects systems where ActiveX controls are enabled by default, which includes many corporate environments and legacy systems where HP Software Update is deployed. This makes the attack surface particularly broad and increases the likelihood of successful exploitation in unpatched environments.
Security professionals should prioritize immediate remediation through the application of HP's official patches and updates to address this vulnerability. Organizations must also implement defensive measures including ActiveX control restriction policies, browser security configurations, and network segmentation to limit potential exploitation vectors. The vulnerability aligns with CWE-22 (Improper Limitation of a Pathname to a Restricted Directory) and CWE-73 (External Control of File Name or Path) categories, reflecting fundamental flaws in input validation and path handling within the ActiveX control implementation. From an ATT&CK framework perspective, this vulnerability maps to T1059.005 (Command and Scripting Interpreter: Visual Basic) and T1074 (Data Staged) techniques, as attackers may leverage the control to execute malicious code and stage data access operations. Additionally, the vulnerability demonstrates characteristics of T1566 (Phishing with Social Engineering) as attackers may craft convincing social engineering campaigns to deliver malicious content that triggers the vulnerable ActiveX control.