CVE-2024-25948 in iDRAC Service Module
Summary
by MITRE • 08/01/2024
Dell iDRAC Service Module version 5.3.0.0 and prior, contain a Out of bound Write Vulnerability. A privileged local attacker could execute arbitrary code potentially resulting in a denial of service event.
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Analysis
by VulDB Data Team • 08/01/2024
The vulnerability identified as CVE-2024-25948 affects Dell iDRAC Service Module versions 5.3.0.0 and earlier, representing a critical out-of-bounds write flaw that poses significant security risks to enterprise infrastructure. This vulnerability resides within the service module responsible for remote management and monitoring of Dell servers, making it a prime target for attackers seeking to compromise critical IT infrastructure. The flaw manifests as an improper bounds checking mechanism that allows an attacker to write data beyond the allocated memory boundaries, potentially leading to arbitrary code execution and system instability.
The technical implementation of this vulnerability stems from insufficient input validation and memory management within the iDRAC Service Module's codebase, which operates with elevated privileges due to its role in system administration. When processing specific inputs or commands, the module fails to properly validate array indices or buffer limits, creating opportunities for attackers to manipulate memory layout and execute malicious code directly within the system's memory space. This type of vulnerability maps directly to CWE-787, which specifically addresses out-of-bounds write conditions, and aligns with ATT&CK technique T1059.001 for command and scripting interpreter usage, as successful exploitation would enable attackers to execute arbitrary commands with system-level privileges.
The operational impact of this vulnerability extends beyond simple denial of service, as a successful exploit could provide attackers with complete system compromise capabilities. Privileged local attackers with access to the service module could leverage this flaw to gain unauthorized administrative control over managed servers, potentially leading to data breaches, system corruption, or use as a foothold for lateral movement within enterprise networks. The remote management capabilities inherent in iDRAC systems mean that exploitation could occur from external network positions, making the attack surface significantly broader than typical local privilege escalation vulnerabilities. Organizations relying on Dell's remote management infrastructure face substantial risk, particularly those with limited network segmentation or inadequate monitoring controls.
Mitigation strategies for CVE-2024-25948 should prioritize immediate patching of affected iDRAC Service Module versions, with Dell releasing security updates to address the out-of-bounds write condition. Network administrators should implement strict access controls and segmentation policies to limit local access to iDRAC services, reducing the attack surface for local privilege escalation attempts. Additional defensive measures include implementing robust monitoring for unusual system behavior, memory access patterns, and unauthorized administrative activities. Security teams should also conduct comprehensive vulnerability assessments of their entire Dell server fleet to identify all potentially affected systems and establish incident response procedures specifically addressing remote management service compromises. The remediation process must include thorough testing of patches in non-production environments to prevent potential service disruptions while ensuring complete vulnerability resolution.