CVE-2018-20180 : What You Need to Know
Learn about CVE-2018-20180, a vulnerability in rdesktop versions up to v1.8.3 that can lead to memory corruption and potential remote code execution. Find mitigation steps and necessary updates here.
A Heap-Based Buffer Overflow vulnerability in rdesktop versions up to v1.8.3 can lead to memory corruption and potential remote code execution.
Understanding CVE-2018-20180
What is CVE-2018-20180?
rdesktop versions up to v1.8.3 contain an Integer Underflow issue in the rdpsnddbg_process() function, resulting in a Heap-Based Buffer Overflow vulnerability.
The Impact of CVE-2018-20180
The vulnerability can cause memory corruption and potentially allow attackers to execute remote code on affected systems.
Technical Details of CVE-2018-20180
Vulnerability Description
The Integer Underflow in rdesktop versions up to v1.8.3 leads to a Heap-Based Buffer Overflow in the rdpsnddbg_process() function, enabling potential remote code execution.
Affected Systems and Versions
- Product: Not applicable
- Vendor: Not applicable
- Versions affected: Up to and including v1.8.3
Exploitation Mechanism
The vulnerability can be exploited by an attacker to trigger the Heap-Based Buffer Overflow, leading to memory corruption and potential remote code execution.
Mitigation and Prevention
Immediate Steps to Take
- Apply the security patches provided by the vendor promptly.
- Consider implementing network segmentation to limit the impact of potential attacks.
- Monitor network traffic for any suspicious activity.
Long-Term Security Practices
- Keep software and systems up to date with the latest security patches.
- Conduct regular security assessments and penetration testing to identify and address vulnerabilities.
Patching and Updates
Ensure that all systems running rdesktop are updated to versions that have addressed the Heap-Based Buffer Overflow vulnerability.