CVE-2025-36611 in Encryption
Summary
by MITRE • 07/30/2025
Dell Encryption and Dell Security Management Server, versions prior to 11.11.0, contain an Improper Link Resolution Before File Access ('Link Following') Vulnerability. A local malicious user could potentially exploit this vulnerability, leading to privilege escalation.
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Analysis
by VulDB Data Team • 01/15/2026
This vulnerability affects Dell Encryption and Dell Security Management Server software versions prior to 11.11.0, representing a critical weakness in the system's file access controls. The flaw resides in the improper resolution of symbolic links before file access operations, creating a pathway for unauthorized privilege escalation. The vulnerability stems from insufficient validation of file paths when symbolic links are processed, allowing attackers to manipulate the system's file resolution mechanism. This issue is classified as CWE-388, which specifically addresses improper handling of links and symbolic references in file access operations. The vulnerability allows local attackers to exploit the system's trust in symbolic link resolution, potentially enabling them to access files outside their intended scope or execute code with elevated privileges. The attack vector requires local system access, making it particularly concerning for environments where user privileges are not strictly controlled.
The technical exploitation of this vulnerability involves crafting malicious symbolic links that point to sensitive system files or directories. When the vulnerable software processes these links without proper validation, it follows the symbolic references to unintended locations, potentially bypassing normal access controls. This type of vulnerability is categorized under ATT&CK technique T1068, which involves the exploitation of legitimate credentials and system access to escalate privileges. Attackers can leverage this weakness to gain root or administrative privileges, potentially compromising the entire system. The flaw particularly affects systems where symbolic links are used in file access operations, and where the software does not properly validate the target of these links before proceeding with file operations. The impact extends beyond simple privilege escalation as it can provide attackers with persistent access to sensitive data and system resources.
The operational impact of this vulnerability is significant for organizations using Dell encryption solutions, as it creates a persistent threat vector that can be exploited by malicious insiders or compromised local accounts. Systems running affected versions of Dell Encryption and Dell Security Management Server are at risk of unauthorized access to encrypted data, system configuration files, and potentially sensitive user information. The vulnerability can be particularly dangerous in enterprise environments where multiple users share systems and where local access is not adequately restricted. Organizations may experience data breaches, system compromise, or complete loss of encryption integrity if this vulnerability is exploited successfully. The risk is amplified by the fact that the vulnerability does not require network access or complex attack chains, making it relatively straightforward for local attackers to exploit. This weakness can also enable attackers to modify system configurations, potentially disabling encryption or altering security policies.
Mitigation strategies should focus on immediate software updates to versions 11.11.0 or later, which contain the necessary patches to address the improper link resolution issue. Organizations should conduct comprehensive vulnerability assessments to identify all systems running affected software versions and prioritize remediation efforts. Network segmentation and access controls should be strengthened to limit local access privileges, reducing the attack surface for potential exploitation. System administrators should implement monitoring solutions to detect suspicious file access patterns or symbolic link creation activities. Regular security audits should verify that symbolic link handling is properly configured and validated in all system components. Additionally, organizations should consider implementing principle of least privilege models, ensuring that local users have minimal necessary access rights to reduce the potential impact of successful exploitation. The vulnerability demonstrates the importance of proper input validation and link resolution in security-critical applications, highlighting the need for comprehensive security testing throughout the software development lifecycle.