CVE-2020-11048 : Security Advisory and Response

CVE-2020-11048 is an out-of-bounds read vulnerability in FreeRDP that allows for session abortion without data extraction.

Understanding CVE-2020-11048

What is CVE-2020-11048?

In FreeRDP versions after 1.0 and before 2.0.0, an out-of-bounds read vulnerability exists, which has been addressed in version 2.0.0.

The Impact of CVE-2020-11048

This vulnerability allows attackers to abort a session without extracting any data, limiting the severity of potential exploitation.

Technical Details of CVE-2020-11048

Vulnerability Description

The vulnerability in FreeRDP allows for an out-of-bounds read, affecting versions greater than 1.0 and less than 2.0.0.

Affected Systems and Versions

Vendor: FreeRDP
Product: FreeRDP
Versions Affected: > 1.0, < 2.0.0

Exploitation Mechanism

The vulnerability can be exploited by triggering an out-of-bounds read, leading to the ability to abort a session without extracting any data.

Mitigation and Prevention

Immediate Steps to Take

Update FreeRDP to version 2.0.0 or later to mitigate the vulnerability.
Monitor vendor advisories for any additional security recommendations.

Long-Term Security Practices

Regularly update software and systems to the latest versions to address known vulnerabilities.
Implement network segmentation and access controls to limit the impact of potential attacks.

Patching and Updates

Apply patches and updates provided by FreeRDP promptly to ensure the security of the system.