CVE-2017-11856 Explained : Impact and Mitigation

CVE-2017-11856, also known as "Internet Explorer Memory Corruption Vulnerability," affects various versions of Internet Explorer on Microsoft Windows systems. This vulnerability allows attackers to gain user privileges and execute remote code.

Understanding CVE-2017-11856

This CVE identifier pertains to a critical security flaw in Internet Explorer that could lead to remote code execution.

What is CVE-2017-11856?

CVE-2017-11856 is a memory corruption vulnerability in Internet Explorer versions running on multiple Microsoft Windows operating systems. Exploiting this flaw enables attackers to acquire the same user privileges as the current user.

The Impact of CVE-2017-11856

The vulnerability poses a severe risk as it allows attackers to execute arbitrary code remotely, potentially leading to unauthorized access and control over affected systems.

Technical Details of CVE-2017-11856

This section provides detailed technical insights into the vulnerability.

Vulnerability Description

The vulnerability arises from how Internet Explorer manages objects in memory, enabling attackers to exploit this flaw for malicious purposes.

Affected Systems and Versions

Internet Explorer on Microsoft Windows 7 SP1, Windows Server 2008 SP2 and R2 SP1, Windows 8.1, Windows RT 8.1, Windows Server 2012 R2, Windows 10 Gold, 1511, 1607, 1703, 1709, Windows Server 2016, and Windows Server version 1709.

Exploitation Mechanism

Attackers can exploit this vulnerability to execute arbitrary code remotely, potentially leading to unauthorized access and control over the affected systems.

Mitigation and Prevention

Protecting systems from CVE-2017-11856 requires immediate actions and long-term security measures.

Immediate Steps to Take

Apply security patches provided by Microsoft promptly.
Consider using alternative web browsers until the vulnerability is patched.

Long-Term Security Practices

Regularly update software and operating systems to mitigate potential vulnerabilities.
Implement network segmentation and access controls to limit the impact of potential attacks.

Patching and Updates

Stay informed about security advisories and updates from Microsoft.
Ensure all systems running Internet Explorer are updated with the latest security patches.