CVE-2025-24035 in Windows
Summary
by MITRE • 03/11/2025
Sensitive data storage in improperly locked memory in Windows Remote Desktop Services allows an unauthorized attacker to execute code over a network.
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Analysis
by VulDB Data Team • 07/03/2025
This vulnerability resides in the Windows Remote Desktop Services component where sensitive data is stored in memory that has not been properly secured through locking mechanisms. The flaw represents a critical security weakness that enables attackers to exploit improperly protected memory regions to execute arbitrary code remotely. The issue stems from insufficient memory protection controls that fail to adequately secure sensitive information during processing within the RDP service context.
The technical implementation of this vulnerability involves the failure to properly lock memory pages containing sensitive data structures or credentials within the Windows Remote Desktop Services framework. When RDP connections are established and processed, certain memory segments remain accessible and unlocked, creating potential attack vectors for privilege escalation. This memory management deficiency allows attackers to leverage techniques such as memory scraping or direct memory access to retrieve and manipulate sensitive information. The vulnerability aligns with CWE-120, which addresses buffer overflow conditions, and CWE-254, which covers security weaknesses related to improper locking of memory regions. The attack surface expands significantly when considering that RDP services are commonly exposed to external networks, making this flaw particularly dangerous in enterprise environments.
From an operational perspective, this vulnerability creates a severe risk for organizations that rely on Windows Remote Desktop Services for remote access operations. Attackers can exploit this weakness to gain unauthorized code execution privileges without requiring elevated system access initially. The network-based nature of the exploit means that attackers can target vulnerable systems from remote locations, potentially compromising entire network infrastructures. The impact extends beyond simple code execution to include potential credential theft, privilege escalation, and lateral movement within the affected network. This vulnerability directly maps to ATT&CK technique T1075, which covers the use of legitimate credentials, and T1059, covering command and script injection techniques.
Organizations should immediately implement mitigations including applying the latest security patches from Microsoft, which address the memory locking deficiencies in RDP services. Network segmentation and access controls should be strengthened to limit exposure of RDP services to trusted networks only. Implementing additional monitoring for unusual RDP connection patterns and memory access behaviors can help detect potential exploitation attempts. The use of multi-factor authentication for RDP access should be enforced, along with regular security audits of RDP configurations. System administrators should also consider disabling RDP services where possible and implementing alternative secure remote access solutions. Security teams must monitor for indicators of compromise related to memory manipulation techniques and ensure proper memory protection mechanisms are in place across all Windows systems running RDP services. The vulnerability requires immediate attention due to its potential for widespread exploitation and the high impact of successful attacks on enterprise security postures.