CVE-2017-11874 : Exploit Details and Defense Strategies

Microsoft Edge in Microsoft Windows 10 1703, 1709, Windows Server, version 1709, and ChakraCore is vulnerable to a security issue that allows attackers to bypass Control Flow Guard (CFG) and execute arbitrary code on a target system.

Understanding CVE-2017-11874

This CVE identifies a security vulnerability in Microsoft Edge affecting specific versions of Windows and ChakraCore.

What is CVE-2017-11874?

The vulnerability in Microsoft Edge enables attackers to circumvent CFG, leading to the execution of unauthorized code on the system. It is distinct from other related CVEs.

The Impact of CVE-2017-11874

The vulnerability allows attackers to exploit memory access in code compiled by the Edge JIT compiler, potentially compromising system integrity and security.

Technical Details of CVE-2017-11874

Microsoft Edge's vulnerability in specific Windows versions and ChakraCore has the following technical aspects:

Vulnerability Description

Attackers can bypass CFG in Microsoft Edge, enabling the execution of arbitrary code on the target system.

Affected Systems and Versions

Microsoft Edge in Windows 10 1703, 1709, Windows Server, version 1709, and ChakraCore.

Exploitation Mechanism

The vulnerability is related to how Microsoft Edge accesses memory in code compiled by the Edge JIT compiler.

Mitigation and Prevention

To address CVE-2017-11874, consider the following steps:

Immediate Steps to Take

Apply security patches provided by Microsoft promptly.
Monitor official security advisories for updates and guidance.

Long-Term Security Practices

Implement robust security measures to prevent unauthorized code execution.
Conduct regular security assessments and audits to detect vulnerabilities.

Patching and Updates

Regularly update Microsoft Edge and related software to mitigate known vulnerabilities.