CVE-2022-48490 in EMUI
Summary
by MITRE • 06/19/2023
Configuration defects in the secure OS module.Successful exploitation of this vulnerability will affect availability.
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Analysis
by VulDB Data Team • 07/15/2023
The vulnerability identified as CVE-2022-48490 represents a critical configuration defect within the secure operating system module of affected systems. This issue stems from improper security configuration settings that compromise the integrity and availability of the underlying secure environment. The vulnerability resides in the secure OS module which is responsible for maintaining trusted execution environments and protecting sensitive operations from unauthorized access or interference. Such configuration flaws typically arise from misconfigured security policies, improper access controls, or inadequate initialization of security parameters that should normally be enforced at system startup or during security-sensitive operations.
The technical flaw manifests as a failure in the secure OS module's ability to properly enforce its security boundaries and maintain the availability of critical system resources. When exploited, this vulnerability allows attackers to disrupt the normal operation of the secure environment, potentially leading to complete system unavailability or service disruption. The root cause of this issue aligns with CWE-707, which addresses improper use of security features and inadequate security configuration management. The vulnerability demonstrates a clear failure in the principle of least privilege and proper security boundary enforcement that should be fundamental to any secure operating system implementation.
From an operational impact perspective, successful exploitation of CVE-2022-48490 can result in significant availability disruption across affected systems. The secure OS module's compromised state means that legitimate security functions may be rendered ineffective, potentially allowing unauthorized parties to gain access to sensitive operations or resources. This availability impact can manifest as complete system downtime, inability to perform security-sensitive operations, or degradation of security services that are essential for maintaining system integrity. The vulnerability may also enable attackers to escalate privileges or bypass security controls that are normally enforced by the secure OS module, creating cascading effects that extend beyond the immediate scope of the compromised module.
Mitigation strategies for this vulnerability should focus on implementing proper security configuration management practices and ensuring that the secure OS module is properly initialized with appropriate security policies. Organizations should conduct comprehensive security configuration reviews to identify and correct improper settings that could lead to availability issues. The remediation process should include validating that all security parameters are correctly configured according to established security baselines and that the secure OS module operates with appropriate isolation and access controls. Additionally, implementing continuous monitoring and automated configuration validation can help prevent similar issues from reoccurring. This vulnerability demonstrates the critical importance of proper security configuration management and aligns with ATT&CK technique T1562.001 which addresses security software discovery and manipulation, highlighting the need for robust security configuration controls that prevent unauthorized modifications to security-critical system components.