External risk intelligence

Microsoft Windows GDI Privilege Escalation Vulnerability.

CVE advisoryKnown Exploit

CVE-2017-0001

A vulnerability in Microsoft Windows' Graphics Device Interface allows local users to gain elevated privileges through a crafted application. This could impact systems and data by enabling unauthorized control. Affected organizations should apply vendor security updates to mitigate this risk.

1Halo Surface Signal

Microsoft Windows 10 1507

r2

External exposure likelihood

Halo Surface Signal score for CVE-2017-0001

This vulnerability is an elevation of privilege flaw within the Windows Graphics Device Interface (GDI). It requires a local user to execute a crafted application on the system to exploit, meaning it is not network-reachable and does not have public-internet exposure.

Horizon Alert

Summary of the vulnerability and why it matters

The Graphics Device Interface (GDI) within Microsoft Windows is susceptible to a flaw that can allow local users to gain elevated privileges. This vulnerability resides in the system's core graphics rendering component. Successful exploitation could lead to unauthorized access and control over the affected system.

  • Vulnerable: Microsoft Windows GDI
  • Weakness: Local privilege escalation
  • Impact: Unauthorized system control

Attack Path

How an attacker could exploit the issue

The Graphics Device Interface (GDI) in Windows allows a local user with a crafted application to gain elevated privileges. This attack vector targets the GDI component, enabling an attacker to escalate their control within the affected system. The impact is a compromise of the system's security posture due to unauthorized privilege escalation.

  • Local execution of crafted application.
  • Attacker gains elevated privileges.
  • Control over the system.

Live Threat

Current exploitation, exposure, and threat context

The Graphics Device Interface (GDI) in several versions of Microsoft Windows is susceptible to a privilege escalation vulnerability. This allows local users with existing access to a system to gain higher privileges through the execution of a specially crafted application. The potential impact includes unauthorized access to sensitive data and disruption of system operations. Organizations should consider this a significant risk.

  • Attackers require local access and basic skills.
  • Conditions: Local user executes a crafted application.
  • Business risk: High, affecting systems and data.

Priority actions

Operational Fix

Recommended remediation, mitigation, and detection steps

The Graphics Device Interface in Microsoft Windows allows local users to gain elevated privileges through a specially crafted application. This vulnerability affects various versions of Windows Vista, Server 2008, 7, 8.1, Server 2012, RT 8.1, and Windows 10. Exploitation can lead to a compromise of confidentiality, integrity, and availability for affected systems.

  • Identify all systems running affected Windows versions.
  • Limit local user privileges and restrict application execution.
  • Apply vendor-provided security updates and confirm their successful installation.
  • Monitor for unusual system activity.

Frequently asked questions

What is the Microsoft Graphics Device Interface (GDI) in Windows and how does it function?

The Graphics Device Interface (GDI) is a fundamental component of Microsoft Windows responsible for rendering graphical elements like windows, icons, and text on the screen. It provides applications with a standardized method to draw to the display and other output devices, forming a critical part of the user interface experience.

What is the specific weakness exploited by CVE-2017-0001?

CVE-2017-0001 is a local privilege escalation vulnerability. This means an attacker who already has limited access to a system can exploit this flaw to obtain higher-level permissions, thereby gaining greater control over the system.

How can CVE-2017-0001 be triggered and what is the scope of its impact?

The vulnerability is triggered when a local user executes a crafted application. This allows the attacker to escalate their privileges within the affected system, potentially compromising its security posture.

Why is CVE-2017-0001 considered a significant risk, and what is the practical response advised by threat advisories like Halo Surface...

CVE-2017-0001 presents a high business risk due to its potential to allow unauthorized system control and disruption of operations. Threat advisories indicate that attackers require local access to exploit this flaw, making it an internal threat. The practical response involves applying vendor-provided security updates and monitoring for unusual system activity.

What are the recommended steps for mitigating the risk associated with the Windows GDI privilege escalation vulnerability?

To mitigate this vulnerability, organizations should identify all systems running affected Windows versions, limit local user privileges, restrict application execution, and promptly apply all vendor-provided security updates, verifying their successful installation. Continuous monitoring for unusual system activity is also advised.

References