External risk intelligence

Microsoft Windows OLE Object Code Execution Vulnerability.

CVE advisoryKnown Exploit

CVE-2014-6352

A vulnerability in Microsoft Windows allows arbitrary code execution via crafted OLE objects, potentially impacting organizations' systems and data. Exploitation has been observed in the wild.

1Halo Surface Signal

Microsoft Windows 7

r2

External exposure likelihood

Halo Surface Signal score for CVE-2014-6352

This vulnerability involves the handling of crafted OLE objects within documents, which requires local user interaction such as opening a malicious file. It is a client-side execution issue, not a service or network-facing interface, and thus lacks typical public internet exposure.

Horizon Alert

Summary of the vulnerability and why it matters

The identified vulnerability affects multiple versions of Microsoft Windows operating systems. It allows for the execution of arbitrary code when users interact with specially crafted OLE objects. This could potentially lead to unauthorized system control and data compromise for affected organizations.

  • Microsoft Windows operating systems
  • Arbitrary code execution via OLE objects
  • Unauthorized system control and data compromise

Attack Path

How an attacker could exploit the issue

An attacker could gain control of an organization's systems by exploiting a vulnerability in how Windows handles OLE objects. This could occur if an employee opens a specially crafted document, such as a PowerPoint file. Such an action could allow an attacker to execute arbitrary code on the affected system, potentially leading to further compromise.

  • Exposure condition: User opens a crafted OLE object.
  • Attacker starting point: Not specified, but implies initial access to the user.
  • Trigger and result: Arbitrary code execution.

Live Threat

Current exploitation, exposure, and threat context

This vulnerability allows attackers to execute arbitrary code on affected systems by leveraging crafted OLE objects, often delivered through documents like PowerPoint presentations. The exploitation requires user interaction, such as opening a malicious file, and has been observed in real-world attacks. The potential for widespread impact and code execution means organizations should address this with diligence to mitigate business risk.

  • Likely attacker skill level: Moderate
  • Required access or conditions: User opens malicious file
  • Business risk or urgency: High

Priority actions

Operational Fix

Recommended remediation, mitigation, and detection steps

Microsoft Windows products are affected by a vulnerability that could allow remote attackers to execute arbitrary code via a crafted OLE object. This exploit was observed in the wild in October 2014, utilizing a crafted PowerPoint document. The business risk associated with this vulnerability includes potential unauthorized code execution on affected systems.

  • Find all affected Microsoft Windows systems.
  • Reduce exposure by restricting OLE object handling.
  • Apply vendor security updates and validate the fix.
  • Monitor for related unauthorized activity.

Frequently asked questions

What Microsoft Windows versions are impacted by the OLE object vulnerability and what is the potential consequence?

Microsoft Windows Vista SP2, Windows Server 2008 SP2 and R2 SP1, Windows 7 SP1, Windows 8, Windows 8.1, Windows Server 2012 Gold and R2, and Windows RT Gold and 8.1 are affected. Attackers can remotely execute arbitrary code through a crafted OLE object, potentially leading to unauthorized system control and data compromise.

How does an attacker exploit the Microsoft Windows OLE object vulnerability and what is the weakness?

Exploitation occurs when a user opens a specially crafted document, such as a PowerPoint file, containing a malicious OLE object. The weakness lies in how Windows handles these OLE objects, allowing for arbitrary code execution.

What is the trigger path for the OLE object code execution vulnerability, and can scope be negated?

The trigger path involves a user opening a crafted OLE object within a document. Scope negation is not explicitly detailed, but the vulnerability inherently requires user interaction with a malicious file.

What is the relevance of the Microsoft Windows OLE object vulnerability, and how was it exploited in the wild?

This vulnerability is relevant because it allows for arbitrary code execution, a severe threat. It was exploited in October 2014 using a crafted PowerPoint document that contained a malicious OLE object, demonstrating its real-world applicability.

What practical steps should an organization take to respond to the Microsoft Windows OLE object vulnerability?

Organizations should identify all affected Microsoft Windows systems, restrict the handling of OLE objects where possible, apply relevant vendor security updates, and validate that the fixes have been successfully implemented. Continuous monitoring for any related unauthorized activity is also advised.

References