CVE-2018-1000852 : Vulnerability Insights and Analysis

A vulnerability in FreeRDP 2.0.0-rc3 allows an RDP server to access and read the memory of a connected client when the echo option is enabled. The issue has been fixed in a later version of FreeRDP.

Understanding CVE-2018-1000852

FreeRDP 2.0.0-rc3 contains a vulnerability that enables the RDP server to read the client's memory when specific conditions are met.

What is CVE-2018-1000852?

The vulnerability in FreeRDP 2.0.0-rc3 allows unauthorized access to the connected client's memory by the RDP server.

The Impact of CVE-2018-1000852

This vulnerability poses a security risk as it allows potential unauthorized access to sensitive client memory data by the RDP server.

Technical Details of CVE-2018-1000852

FreeRDP 2.0.0-rc3 vulnerability details and affected systems.

Vulnerability Description

The vulnerability exists in the code file drdynvc_main.c within the channels/drdynvc/client directory, enabling the RDP server to read client memory.

Affected Systems and Versions

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Vendor: n/a
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Exploitation Mechanism

The attack occurs when the RDPClient connects to the RDP server with the echo option enabled.

Mitigation and Prevention

Steps to address and prevent the CVE-2018-1000852 vulnerability.

Immediate Steps to Take

Update FreeRDP to a version after commit 205c612820dac644d665b5bb1cdf437dc5ca01e3.
Disable the echo option when connecting RDPClient to the RDP server.

Long-Term Security Practices

Regularly update software to the latest versions to ensure security patches are applied.
Implement network segmentation to limit the impact of potential vulnerabilities.

Patching and Updates

Ensure that all systems running FreeRDP are updated to a version that includes the fix for CVE-2018-1000852.