CVE-2020-11087 : Vulnerability Insights and Analysis

CVE-2020-11087 pertains to an out-of-bounds read vulnerability in FreeRDP versions less than or equal to 2.0.0, specifically in ntlm_read_AuthenticateMessage. The issue has been addressed in version 2.1.0.

Understanding CVE-2020-11087

This CVE involves an out-of-bounds read vulnerability in FreeRDP.

What is CVE-2020-11087?

The CVE-2020-11087 vulnerability is an out-of-bounds read issue found in FreeRDP versions 2.0.0 and below, specifically in the ntlm_read_AuthenticateMessage function. This flaw could potentially be exploited by attackers to read sensitive information from the system's memory.

The Impact of CVE-2020-11087

The impact of this vulnerability is considered low, with a CVSS base score of 3.1. However, if successfully exploited, it could lead to unauthorized access to sensitive data.

Technical Details of CVE-2020-11087

This section provides more technical insights into the CVE.

Vulnerability Description

The vulnerability involves an out-of-bounds read in the ntlm_read_AuthenticateMessage function within FreeRDP.

Affected Systems and Versions

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

Exploitation Mechanism

The vulnerability can be exploited by malicious actors to read data beyond the boundaries of the intended buffer, potentially leading to information disclosure.

Mitigation and Prevention

To address CVE-2020-11087, follow these mitigation strategies:

Immediate Steps to Take

Update FreeRDP to version 2.1.0 or later to mitigate the vulnerability.
Monitor vendor advisories and security mailing lists for any further updates or patches.

Long-Term Security Practices

Regularly update software and systems to the latest versions to prevent 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.