CVE-2020-11041 Explained : Impact and Mitigation
Learn about CVE-2020-11041, an issue in FreeRDP <= 2.0.0 allowing external manipulation of array index for sound configuration, potentially leading to crashes or session disconnects.
CVE-2020-11041 pertains to an improper validation of an array index in FreeRDP, potentially leading to a crash or session disconnect due to sound configuration issues.
Understanding CVE-2020-11041
What is CVE-2020-11041?
In FreeRDP versions less than or equal to 2.0.0, an unchecked array index can be manipulated externally, impacting sound backend configuration.
The Impact of CVE-2020-11041
The vulnerability may result in a client instance crash, distorted or no sound, or a session disconnect.
Technical Details of CVE-2020-11041
Vulnerability Description
The issue arises from improper handling of array indexes in FreeRDP versions <= 2.0.0, affecting sound backend configuration.
Affected Systems and Versions
- Vendor: FreeRDP
- Product: FreeRDP
- Versions Affected: <= 2.0.0
Exploitation Mechanism
- Attack Vector: Network
- Attack Complexity: High
- Privileges Required: High
- User Interaction: None
- Scope: Unchanged
- Impact: Low availability
- Base Score: 2.2 (Low Severity)
Mitigation and Prevention
Immediate Steps to Take
- Upgrade to patched version 2.1.0
- If unable to upgrade, disable sound for the session
Long-Term Security Practices
- Regularly update software to the latest versions
- Implement sound security practices to prevent similar vulnerabilities
Patching and Updates
- Patched version 2.1.0 addresses the vulnerability