CVE-2020-11019 : Exploit Details and Defense Strategies
Learn about CVE-2020-11019, an out-of-bounds read flaw in FreeRDP <= 2.0.0, potentially leading to application crashes and data exposure. Find mitigation steps and update recommendations here.
This CVE record pertains to an out-of-bounds read vulnerability in FreeRDP versions less than or equal to 2.0.0, potentially leading to application crashes and data exposure.
Understanding CVE-2020-11019
What is CVE-2020-11019?
In FreeRDP versions 2.0.0 and below, a flaw in the 'update_recv' function could trigger application crashes and expose data when the logger is set to 'WLOG_TRACE'.
The Impact of CVE-2020-11019
The vulnerability could allow attackers to crash applications and potentially leak sensitive data to local terminals.
Technical Details of CVE-2020-11019
Vulnerability Description
The issue arises from an out-of-bounds read in the FreeRDP software, affecting versions up to 2.0.0.
Affected Systems and Versions
- Vendor: FreeRDP
- Product: FreeRDP
- Versions Affected: <= 2.0.0
Exploitation Mechanism
The vulnerability can be exploited by manipulating the logger settings to trigger the out-of-bounds read.
Mitigation and Prevention
Immediate Steps to Take
- Update FreeRDP to version 2.1.0 or later to mitigate the vulnerability.
- Avoid setting the logger to 'WLOG_TRACE' in vulnerable versions.
Long-Term Security Practices
- Regularly update software to the latest versions to address known vulnerabilities.
- Monitor vendor security advisories for patches and updates.
Patching and Updates
Ensure timely application of security patches and updates to prevent exploitation of known vulnerabilities.