CVE-2023-31320 in Radeon
Summary
by MITRE • 11/14/2023
Improper input validation in the AMD RadeonTM Graphics display driver may allow an attacker to corrupt the display potentially resulting in denial of service.
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Analysis
by VulDB Data Team • 12/09/2023
The vulnerability identified as CVE-2023-31320 represents a critical weakness in the AMD Radeon Graphics display driver that stems from inadequate input validation mechanisms. This flaw exists within the driver software responsible for managing graphics processing and display output on AMD Radeon GPUs, creating a potential pathway for malicious actors to exploit system resources and compromise display functionality. The vulnerability falls under the category of improper input validation, which is classified as CWE-20 by the Common Weakness Enumeration framework and aligns with ATT&CK technique T1059.001 for command and scripting interpreter execution.
The technical implementation of this vulnerability occurs when the display driver fails to properly validate incoming data inputs from various system components or user applications. This validation failure allows malformed or malicious input to be processed without adequate sanitization, potentially leading to memory corruption within the graphics driver's operational context. When such corrupted data reaches the display processing pipeline, it can cause the graphics subsystem to behave unpredictably, resulting in display corruption, graphical artifacts, or complete system denial of service. The vulnerability specifically impacts systems running AMD Radeon graphics hardware where the affected driver components handle display-related operations and input processing.
From an operational perspective, this vulnerability presents significant risks to system stability and availability, particularly in environments where graphics performance and display integrity are critical. Attackers could potentially leverage this weakness to disrupt display functionality on targeted systems, causing service interruptions that may affect productivity or user experience. The denial of service condition could be particularly problematic in enterprise environments where graphics-intensive applications are common, or in scenarios where system uptime is critical. The vulnerability's impact extends beyond simple display corruption, as it represents a potential entry point for more sophisticated attacks that could escalate privileges or compromise additional system components.
Mitigation strategies for CVE-2023-31320 should prioritize immediate driver updates from AMD to address the input validation deficiencies. System administrators should implement comprehensive monitoring of display driver behavior and establish baseline performance metrics to detect anomalous activity that might indicate exploitation attempts. Network segmentation and access controls should be reinforced to limit potential attack vectors, while regular security assessments should be conducted to identify similar validation weaknesses in other system components. The vulnerability underscores the importance of robust input validation practices in graphics drivers and highlights the need for continuous security auditing of system firmware and driver components to prevent similar issues from emerging in the future.