CVE-2020-0584 in DC P4800X
Summary
by MITRE • 11/12/2020
Buffer overflow in firmware for Intel(R) SSD DC P4800X and P4801X Series, Intel(R) Optane(TM) SSD 900P and 905P Series may allow an unauthenticated user to potentially enable a denial of service via local access.
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Analysis
by VulDB Data Team • 12/06/2020
The vulnerability identified as CVE-2020-0584 represents a critical buffer overflow flaw within the firmware of Intel's high-performance solid state drives, specifically affecting the DC P4800X and P4801X series devices alongside the Optane 900P and 905P series. This issue stems from improper input validation mechanisms within the firmware code that fails to adequately check the boundaries of data buffers during processing operations. The flaw exists at the firmware level rather than in the operating system or application software, making it particularly concerning for enterprise storage environments where these drives are commonly deployed. The vulnerability is classified under CWE-121, which specifically addresses stack-based buffer overflow conditions, indicating that the flaw likely occurs when the firmware processes data that exceeds the allocated buffer space. The attack vector requires local access to the system, meaning an attacker must have physical or administrative access to the device to exploit the vulnerability, though this still represents a significant security risk given that such access is often possible in enterprise environments.
The technical exploitation of this buffer overflow vulnerability enables an unauthenticated user to potentially trigger a denial of service condition that could render the affected storage devices inoperable or cause system instability. When the firmware encounters malformed input data that exceeds the predefined buffer limits, the overflow can overwrite adjacent memory locations, potentially corrupting critical system data structures or causing the firmware to crash entirely. This type of vulnerability can lead to complete system failure or require manual intervention to restore normal operation, as the affected drives may become unavailable for data access. The nature of firmware-level vulnerabilities makes them particularly challenging to remediate since they require specific firmware updates from the vendor, which may not be immediately available or could introduce compatibility issues with existing systems. The vulnerability's impact extends beyond simple service disruption as it can affect data integrity and availability in mission-critical applications where these drives are deployed. The ATT&CK framework categorizes this type of vulnerability under the T1059.001 technique for command and scripting interpreter, as exploitation may involve crafting specific inputs that trigger the buffer overflow condition, though the primary impact remains denial of service rather than arbitrary code execution.
Organizations utilizing these Intel SSD models must implement immediate mitigation strategies to protect their storage infrastructure from potential exploitation. The primary recommended action involves applying the latest firmware updates provided by Intel, which contain patches specifically designed to address the buffer overflow condition. System administrators should also implement monitoring protocols to detect unusual patterns in drive behavior or performance degradation that could indicate exploitation attempts. Network segmentation and access control measures should be enhanced to limit local access to systems containing these drives, particularly in environments where physical security controls may be insufficient. The vulnerability highlights the importance of maintaining current firmware versions across all storage devices and implementing regular security assessments to identify similar issues in other components of the storage infrastructure. Additionally, organizations should consider implementing automated firmware update mechanisms where possible, as the delayed application of patches can leave systems vulnerable to exploitation. The incident underscores the critical nature of firmware security in enterprise storage environments and the need for comprehensive vulnerability management programs that extend beyond traditional software security measures to include hardware and firmware components.