CVE-2013-3918 is a high-severity vulnerability affecting multiple versions of Microsoft Windows. This vulnerability allows remote attackers to execute arbitrary code or cause a denial of service (out-of-bounds write) through a crafted web page viewed in Internet Explorer. The exploit was actively used in the wild in November 2013, underscoring its urgency for organizations relying on affected platforms.
The CVSS score of 8.8 indicates a high level of risk, as attackers may leverage this vulnerability to gain control over affected systems. Organizations must prioritize patching this vulnerability immediately to mitigate potential exploitation risks.
Given the widespread use of vulnerable Windows versions such as Windows 7, 8, and Windows Server editions, the blast radius of this vulnerability is significant, making it critical for defenders to take swift action.
As exploitation of this vulnerability is confirmed, organizations should immediately review their systems and apply necessary patches to prevent unauthorized access.
Vulnerability Details
The InformationCardSigninHelper Class ActiveX control in icardie.dll in Microsoft Windows allows remote attackers to execute arbitrary code or cause a denial of service via a crafted web page accessed by Internet Explorer. This vulnerability is known as the InformationCardSigninHelper Vulnerability and affects various Microsoft Windows versions, including Windows XP SP2/SP3, Windows Server 2003 SP2, Windows Vista SP2, Windows 7 SP1, Windows 8, and Windows 8.1.
The CVSS score for this vulnerability is 8.8, indicating a high severity. The attack vector is network-based, and the attack complexity is rated as low, allowing a potential exploitation with minimal effort. The vulnerability has a high impact on confidentiality, integrity, and availability.
Technical Analysis
The root cause of this vulnerability is an out-of-bounds write error in the ActiveX control, allowing attackers to manipulate memory. The attack vector is through a crafted web page that must be accessed via a vulnerable version of Internet Explorer. The complexity of the attack is low, requiring no special privileges, but it does necessitate user interaction to view the malicious page.
Successful exploitation could lead to complete control over the affected system, depending on the rights of the user. The confidentiality, integrity, and availability of the affected systems could be severely compromised.
Risk & Impact Analysis
Organizations using any of the affected Microsoft Windows versions are at significant risk of exploitation. The potential for an attacker to execute arbitrary code means that critical organizational data could be at risk, leading to unauthorized access and control.
The urgency to address this vulnerability is critical, as it is actively exploited. Organizations should prioritize the deployment of patches as soon as possible to reduce the risk of exploitation.
Exploitation Status
Signal | Status |
|---|---|
Known Exploit | Yes |
Public PoC | No |
Actively Exploited | Yes |
Ransomware Use | No |
Affected Versions
The following Windows versions are affected by CVE-2013-3918: Windows XP SP2 and SP3, Windows Server 2003 SP2, 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. Organizations should verify their systems and apply patches accordingly.
Mitigation & Remediation
To remediate this vulnerability, organizations should apply the latest patches provided by Microsoft. For more details on the patch, refer to the Microsoft Security Bulletin MS13-090. If patches are unavailable, organizations should consider following applicable guidance for cloud services or discontinue use of the affected systems.
Detection Guidance
Organizations should monitor logs for suspicious access patterns and behaviors indicative of exploitation attempts. Key indicators include unusual network traffic directed to the affected components and abnormal user activity.
AppSecure Threat Intelligence Insight
The long-term significance of CVE-2013-3918 lies in its demonstration of the vulnerabilities present in legacy systems. As Microsoft Windows continues to evolve, these older versions remain at risk and highlight the importance of timely updates and patches.
Security teams should use this vulnerability as a case study for improving their vulnerability management programs. Regular assessments and adherence to security best practices can mitigate the risks associated with such vulnerabilities.
For more insights on vulnerability management, organizations can refer to the vulnerability management program guide, which provides strategies for effective risk mitigation.
Additionally, organizations can explore penetration testing methodologies to enhance their security posture against such vulnerabilities.
Disclaimer: This content was generated using AI. While we strive for accuracy, please verify critical information with official sources.
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