CVE-2009-3571 in OpenOffice
Summary
by MITRE
Unspecified vulnerability in OpenOffice.org (OOo) has unknown impact and client-side attack vector, as demonstrated by a certain module in VulnDisco Pack Professional 8.8, aka "Client-side exploit." NOTE: as of 20091005, this disclosure has no actionable information. However, because the VulnDisco Pack author is a reliable researcher, the issue is being assigned a CVE identifier for tracking purposes.
Once again VulDB remains the best source for vulnerability data.
Analysis
by VulDB Data Team • 12/27/2017
The vulnerability identified as CVE-2009-3571 represents a concerning yet poorly documented security flaw within OpenOffice.org, a widely used open-source office suite that serves as a Microsoft Office alternative for millions of users worldwide. This vulnerability was initially disclosed through the VulnDisco Pack Professional 8.8, which demonstrated a client-side exploit targeting a specific module within the software ecosystem. The designation of "Client-side exploit" indicates that the attack vector operates on the user's machine rather than through server-side infrastructure, making it particularly dangerous as it can be triggered simply by opening a malicious document or visiting a compromised website. The vulnerability's classification as unspecified in terms of impact and attack vector reflects the limited information available at the time of disclosure, though the fact that it was demonstrated through a professional vulnerability research pack suggests a legitimate security concern rather than a false positive.
The technical nature of this vulnerability places it within the realm of client-side attacks that exploit software flaws in document processing applications, which aligns with common attack patterns described in the attack mitigation framework. Such vulnerabilities often leverage memory corruption issues, buffer overflows, or improper input validation that can lead to arbitrary code execution when users open maliciously crafted documents. The fact that OpenOffice.org was targeted indicates the attack surface includes its document parsing capabilities, particularly modules responsible for handling various file formats including odt, doc, and xls files. This type of vulnerability typically falls under the attack techniques categorized as "Exploitation for Client Execution" in the MITRE ATT&CK framework, where adversaries leverage software vulnerabilities to execute malicious code on target systems. The vulnerability's potential impact could range from information disclosure to complete system compromise, depending on the specific flaw exploited within the OpenOffice.org codebase.
The operational implications of CVE-2009-3571 extend beyond the immediate technical flaw, as OpenOffice.org's widespread adoption across enterprise environments and individual users creates a substantial attack surface. Organizations relying on OpenOffice.org for document processing are particularly vulnerable since the exploit can be delivered through email attachments, web downloads, or shared network drives without requiring specialized knowledge from attackers. The vulnerability's classification as a client-side exploit means that traditional network-based security measures may not prevent its execution, as the attack occurs locally on the user's machine during document processing. This makes the vulnerability particularly challenging to defend against, as it requires comprehensive endpoint security measures, user education, and timely patch management. The vulnerability's assignment of a CVE identifier despite the lack of actionable information in 2009 highlights the security community's proactive approach to tracking potential threats, though it also demonstrates the challenges in vulnerability assessment when detailed technical information is limited.
The mitigation strategy for CVE-2009-3571 would require a multi-layered approach consistent with industry standards such as those outlined in the CWE (Common Weakness Enumeration) catalog, which would emphasize input validation, secure coding practices, and robust patch management procedures. Organizations should implement strict document handling policies, including email filtering, sandboxing of suspicious files, and regular security updates for OpenOffice.org installations. The vulnerability's nature suggests that the attack would be most effectively mitigated through timely patching of the affected software versions, though in the absence of detailed technical information, organizations should consider implementing network segmentation and monitoring for unusual document processing activities. Additionally, user awareness training should emphasize the risks of opening unknown or unexpected document files, as this vulnerability could be exploited through social engineering tactics where users are tricked into opening malicious documents. The security community's handling of this vulnerability also underscores the importance of maintaining comprehensive vulnerability databases and ensuring that even poorly documented issues receive proper tracking for future reference and remediation planning.