CVE-2017-6261 in Vibrante Linux
Summary
by MITRE
NVIDIA?s Vibrante Linux version 1.1, 2.0, and 2.2 contains a vulnerability in the user space driver in which protection mechanisms are insufficient, may lead to denial of service or information disclosure
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Analysis
by VulDB Data Team • 09/28/2023
The vulnerability identified as CVE-2017-6261 affects NVIDIA's Vibrante Linux versions 1.1, 2.0, and 2.2, specifically targeting the user space driver component where inadequate protection mechanisms exist. This flaw represents a critical security weakness that could potentially be exploited by malicious actors to compromise system integrity and availability. The vulnerability resides within the driver layer that interfaces between user applications and the underlying hardware, creating a potential attack surface that requires careful consideration from security professionals and system administrators.
The technical implementation of this vulnerability stems from insufficient protection mechanisms within the user space driver component of the NVIDIA Vibrante Linux distribution. When examining the code structure and memory management practices, it becomes evident that proper access controls and validation checks are missing or inadequately implemented. This allows for potential exploitation through improper input handling or privilege escalation vectors that could be leveraged to execute unauthorized operations. The flaw operates at the kernel driver level where user space applications interact with hardware resources, making it particularly dangerous as it can potentially bypass standard security controls that would normally protect system resources.
From an operational perspective, this vulnerability presents significant risks to affected systems running NVIDIA Vibrante Linux versions 1.1, 2.0, and 2.2. The potential for denial of service attacks means that adversaries could disrupt normal system operations by causing crashes or resource exhaustion, while information disclosure capabilities could allow unauthorized access to sensitive data or system information. The impact extends beyond simple service disruption as the vulnerability could potentially enable attackers to gain deeper system access or extract confidential information that might be used in subsequent attacks. Organizations utilizing these specific NVIDIA Linux versions must consider the operational implications of this flaw when assessing their security posture.
Security mitigations for CVE-2017-6261 should focus on immediate patching and updates to the affected NVIDIA Vibrante Linux versions. System administrators should prioritize upgrading to patched versions that address the insufficient protection mechanisms in the user space driver. Additionally, implementing network segmentation and access controls can help limit the potential impact of exploitation attempts. Monitoring for unusual system behavior or unauthorized access attempts should be enhanced, particularly in environments where these vulnerable versions are deployed. The vulnerability aligns with CWE-284 which addresses improper access control, and may also relate to ATT&CK techniques involving privilege escalation and defense evasion. Organizations should also consider implementing runtime protection mechanisms and regular security assessments to identify and remediate similar vulnerabilities that may exist in their system configurations.
The broader implications of this vulnerability highlight the importance of maintaining up-to-date driver software and conducting regular security assessments of embedded systems. Given that Vibrante Linux is designed for embedded applications, the attack surface is often limited but critical, making proper vulnerability management essential. System administrators should also consider implementing automated patch management processes to ensure timely remediation of similar security issues. The vulnerability demonstrates the need for comprehensive security testing of driver components and the importance of proper access control implementation in user space applications that interface with system resources. Regular vulnerability scanning and penetration testing should include evaluation of driver security controls to identify potential weaknesses that could be exploited by adversaries.