CVE-2007-2656 in hpqvwocx.dll
Summary
by MITRE
Stack-based buffer overflow in the Hewlett-Packard (HP) Magview ActiveX control in hpqvwocx.dll 1.0.0.309 allows remote attackers to cause a denial of service (application crash) and possibly have other impact via a long argument to the DeleteProfile method.
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Analysis
by VulDB Data Team • 09/15/2024
The vulnerability identified as CVE-2007-2656 represents a critical stack-based buffer overflow flaw within the Hewlett-Packard Magview ActiveX control component. This specific vulnerability resides in the hpqvwocx.dll library version 1.0.0.309 and affects the DeleteProfile method functionality. The issue manifests when the ActiveX control processes a malformed argument that exceeds the allocated stack buffer space, creating conditions that can be exploited by remote attackers to manipulate the application's execution flow. The vulnerability falls under the Common Weakness Enumeration category CWE-121, which specifically addresses stack-based buffer overflow conditions where insufficient bounds checking allows attackers to overwrite adjacent stack memory locations.
The technical exploitation of this vulnerability occurs through the manipulation of the DeleteProfile method within the Magview ActiveX control, which is commonly integrated into HP software ecosystems for document viewing and management purposes. When an attacker supplies an excessively long argument to this method, the control fails to properly validate input length before copying data to a fixed-size stack buffer. This flaw enables attackers to overwrite return addresses, function pointers, and other critical stack data structures, potentially leading to arbitrary code execution or application instability. The vulnerability's impact extends beyond simple denial of service since the buffer overflow can corrupt program execution flow, making it a significant concern for systems where this ActiveX control is deployed.
The operational implications of CVE-2007-2656 are substantial, particularly in enterprise environments where HP Magview ActiveX controls may be present in web browsers or applications that process untrusted input from remote sources. Attackers can leverage this vulnerability to cause application crashes that result in service disruption, potentially affecting business operations that depend on document viewing capabilities. The vulnerability's remote exploitability means that malicious actors can trigger the buffer overflow without requiring local system access, making it particularly dangerous in web-based scenarios. Additionally, the vulnerability's potential for code execution creates risks for privilege escalation and persistent access to affected systems, especially when the vulnerable control is executed in contexts with elevated privileges.
Mitigation strategies for CVE-2007-2656 should focus on immediate removal of the vulnerable ActiveX control from affected systems, particularly those running older versions of HP software that incorporate hpqvwocx.dll version 1.0.0.309. System administrators should implement browser security policies that disable ActiveX controls or restrict their execution to trusted sites only, following the principle of least privilege. The vulnerability aligns with ATT&CK technique T1203, which covers exploitation of ActiveX controls for privilege escalation and code execution. Organizations should also consider implementing network segmentation to limit the attack surface and deploy intrusion detection systems that can identify attempts to exploit this specific vulnerability. Regular patch management processes should be established to ensure that all HP software components are updated to versions that address this buffer overflow condition, with particular attention to updating the Magview ActiveX control to patched versions that include proper input validation and bounds checking mechanisms.