A high-severity heap-based buffer overflow in the xrdp RDP server allows authenticated attackers to execute arbitrary code or cause service instability.

This is a heap-based buffer overflow (CWE-122) within the xrdp server component. An authenticated attacker can exploit this flaw to corrupt memory, potentially leading to remote code execution or a denial of service condition.

With a CVSS score of 8.8, this vulnerability represents a significant risk to remote access infrastructure. Successful exploitation could grant an attacker full control over the RDP server, facilitating lateral movement within the network or the exfiltration of sensitive data from the host system.

Immediate Action: Update the xrdp server to version 0.10.6.1 or later immediately to patch the memory safety issue.

Proactive Monitoring: Monitor RDP server logs for abnormal connection patterns, repeated crashes, or unauthorized attempts to interact with the service.

Compensating Controls: Restrict access to RDP services to trusted networks or VPNs only, and utilize multi-factor authentication to reduce the likelihood of an attacker gaining the required authenticated access.

Public Exploit Available: Unknown

Given that RDP is a common target for attackers, patching this heap-based overflow is critical. Administrators should verify their current version and upgrade to 0.10.6.1 without delay to protect against potential exploitation of the RDP service.