CVE-2020-24772 : Vulnerability Insights and Analysis

Dreamacro Clash for Windows v0.11.4 allows an attacker to execute code or crack hashes through a crafted URL.

Understanding CVE-2020-24772

In Dreamacro Clash for Windows v0.11.4, attackers can exploit a vulnerability to launch the Clash Windows client and access a remote SMB share.

What is CVE-2020-24772?

The vulnerability in Dreamacro Clash for Windows v0.11.4 enables attackers to embed a malicious iframe in a website with a crafted URL, leading to unauthorized access to an SMB share.

The Impact of CVE-2020-24772

The exploitation of this vulnerability can result in code execution or hash cracking by leveraging NTLM authentication during the SMB share access.

Technical Details of CVE-2020-24772

Dreamacro Clash for Windows v0.11.4 is susceptible to a specific attack vector.

Vulnerability Description

An attacker can embed a malicious iframe in a website with a crafted URL, triggering the Clash Windows client to open a remote SMB share, allowing for unauthorized access.

Affected Systems and Versions

Product: Dreamacro Clash for Windows v0.11.4
Vendor: N/A
Version: N/A

Exploitation Mechanism

Attackers embed a malicious iframe in a website with a crafted URL
Launch Clash Windows client to open a remote SMB share
Exploit NTLM authentication for code execution or hash cracking

Mitigation and Prevention

Steps to address and prevent the CVE-2020-24772 vulnerability.

Immediate Steps to Take

Disable SMB sharing if not required
Implement network segmentation to limit SMB exposure
Regularly monitor network traffic for suspicious activities

Long-Term Security Practices

Keep software and systems updated with the latest patches
Conduct regular security assessments and penetration testing

Patching and Updates

Apply security patches provided by the vendor promptly
Stay informed about security advisories and updates from Dreamacro Clash for Windows