CVE-2020-11088 : Security Advisory and Response

CVE-2020-11088 pertains to an out-of-bound read vulnerability in FreeRDP versions less than or equal to 2.0.0, specifically in ntlm_read_NegotiateMessage. The issue has been addressed in version 2.1.0.

Understanding CVE-2020-11088

What is CVE-2020-11088?

CVE-2020-11088 involves an out-of-bound read vulnerability in FreeRDP versions <= 2.0.0, impacting the ntlm_read_NegotiateMessage function. The vulnerability has been resolved in version 2.1.0.

The Impact of CVE-2020-11088

The vulnerability could allow an attacker to read beyond the bounds of allocated memory, potentially leading to information disclosure or a denial of service.

Technical Details of CVE-2020-11088

Vulnerability Description

The vulnerability in FreeRDP versions <= 2.0.0 allows for an out-of-bound read in ntlm_read_NegotiateMessage.

Affected Systems and Versions

Vendor: FreeRDP
Product: FreeRDP
Affected Versions: <= 2.0.0

Exploitation Mechanism

The vulnerability can be exploited by an attacker to read memory beyond the intended boundary, potentially leading to unauthorized access or service disruption.

Mitigation and Prevention

Immediate Steps to Take

Update FreeRDP to version 2.1.0 or later to mitigate the vulnerability.
Monitor vendor security advisories for any related patches or updates.

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 exploits.

Patching and Updates

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