CVE-2020-11049 : Exploit Details and Defense Strategies
Learn about CVE-2020-11049, an out-of-bounds read vulnerability in FreeRDP versions after 1.1 and before 2.0.0. Find out the impact, affected systems, exploitation mechanism, and mitigation steps.
CVE-2020-11049, also known as 'Out-of-bounds Read in FreeRDP rdp_read_share_control_header,' is a vulnerability in FreeRDP versions after 1.1 and before 2.0.0. This CVE involves an out-of-bound read of client memory that is then passed on to the protocol parser, which has been addressed in version 2.0.0.
Understanding CVE-2020-11049
What is CVE-2020-11049?
In FreeRDP after 1.1 and before 2.0.0, there is an out-of-bound read of client memory that is then passed on to the protocol parser. This has been patched in 2.0.0.
The Impact of CVE-2020-11049
The vulnerability could allow an attacker to read memory outside the bounds of an allocated buffer, potentially leading to information disclosure or further exploitation.
Technical Details of CVE-2020-11049
Vulnerability Description
CVE-2020-11049 is classified as CWE-125: Out-of-bounds Read, indicating the specific nature of the vulnerability.
Affected Systems and Versions
- Vendor: FreeRDP
- Product: FreeRDP
- Affected Versions: > 1.1, < 2.0.0
Exploitation Mechanism
The vulnerability involves an out-of-bound read of client memory that is then passed on to the protocol parser, potentially allowing an attacker to exploit this issue.
Mitigation and Prevention
Immediate Steps to Take
- Update FreeRDP to version 2.0.0 or later to mitigate the vulnerability.
- Monitor vendor advisories and apply patches promptly.
Long-Term Security Practices
- Regularly update software and systems to the latest versions.
- Implement network segmentation and access controls to limit the impact of potential attacks.
Patching and Updates
- Apply security updates and patches provided by FreeRDP to address CVE-2020-11049.