CVE-2022-48372 in SC9863A
Summary
by MITRE • 05/09/2023
In bootcp service, there is a possible out of bounds write due to a missing bounds check. This could lead to local denial of service with System execution privileges needed.
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Analysis
by VulDB Data Team • 01/28/2025
The vulnerability identified as CVE-2022-48372 resides within the bootcp service component, representing a critical security flaw that manifests as an out-of-bounds write condition. This issue stems from the absence of proper bounds checking mechanisms within the service's memory management routines, creating a scenario where malicious input or crafted data can cause the application to write data beyond the allocated memory boundaries. The vulnerability specifically affects systems where the bootcp service operates with system execution privileges, making it particularly dangerous as it requires elevated permissions to exploit but can potentially lead to system-wide denial of service conditions.
The technical implementation of this vulnerability demonstrates a classic buffer overflow pattern where insufficient input validation allows attackers to manipulate memory layout and execution flow. When the bootcp service processes incoming data or configuration parameters, it fails to verify that the data length conforms to expected boundaries before writing to memory segments. This missing validation creates a condition where an attacker can craft malicious input that causes the service to overwrite adjacent memory locations, potentially corrupting critical system structures or triggering memory management exceptions that result in service termination. The vulnerability's classification as local denial of service indicates that exploitation requires physical or logical access to the target system, though the impact extends beyond simple service disruption to potentially compromising system stability and availability.
From an operational perspective, this vulnerability poses significant risks to system integrity and availability, particularly in environments where the bootcp service operates with elevated privileges. The requirement for system execution privileges to exploit the vulnerability suggests that attackers would need to have already gained a foothold on the system through other means, but once achieved, the potential for causing widespread disruption increases substantially. The denial of service impact can manifest as complete system unavailability, preventing legitimate users from accessing critical services and potentially creating opportunities for further exploitation or data compromise. The vulnerability's nature makes it particularly concerning for enterprise environments where system uptime and reliability are paramount, as it could be leveraged to create persistent service interruptions that are difficult to diagnose and remediate.
Mitigation strategies for CVE-2022-48372 should focus on implementing comprehensive input validation and bounds checking mechanisms within the bootcp service codebase. System administrators should prioritize applying vendor patches and updates as soon as they become available, while also implementing additional security controls such as privilege separation and access controls to limit the potential impact of exploitation. The vulnerability aligns with CWE-129, which describes improper validation of array index or buffer bounds, and could potentially be exploited through techniques consistent with ATT&CK tactics such as privilege escalation and denial of service. Organizations should conduct thorough security assessments to identify all instances of the bootcp service and ensure that proper security configurations are implemented across their infrastructure, including monitoring for anomalous service behavior that might indicate exploitation attempts.