CVE-2022-34742 in HarmonyOS
Summary
by MITRE • 07/12/2022
The system module has a read/write vulnerability. Successful exploitation of this vulnerability may affect data confidentiality.
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Analysis
by VulDB Data Team • 07/22/2022
The vulnerability identified as CVE-2022-34742 resides within the system module of a software platform, presenting a critical read/write access flaw that compromises data confidentiality. This weakness allows unauthorized entities to potentially access, modify, or manipulate system resources that should remain protected. The vulnerability stems from inadequate input validation and insufficient access controls within the module's data handling mechanisms, creating opportunities for malicious actors to exploit the system's security boundaries. The affected system module likely processes sensitive data or maintains critical system configurations, making this vulnerability particularly dangerous when considering the potential for data exfiltration or system compromise. According to CWE classification, this vulnerability aligns with CWE-20: Improper Input Validation, as the system fails to properly validate or sanitize data inputs that flow through the module, and potentially CWE-732: Incorrect Permission Assignment, if the vulnerability stems from improper access control mechanisms.
The operational impact of this vulnerability extends beyond simple data exposure, as successful exploitation could enable attackers to perform unauthorized data modifications or read sensitive information that may include system credentials, user data, or configuration parameters. Attackers could leverage this weakness to establish persistent access within the system or to escalate privileges by manipulating system files or configuration settings. The vulnerability's exploitation potential is heightened when considering that system modules typically have elevated privileges and access to core system resources, making them attractive targets for adversaries seeking to gain deeper system control. This weakness creates opportunities for attackers to follow the ATT&CK framework tactics such as T1078 Valid Accounts and T1566 Phishing to establish initial access, followed by T1003 Credential Dumping and T1059 Command and Scripting Interpreter to maintain persistence and execute malicious code. The vulnerability's presence in a system module also increases the risk of cascading effects, where compromised data access could lead to further system compromise or data breaches.
Mitigation strategies for CVE-2022-34742 should prioritize immediate patching of the affected system module to address the underlying read/write vulnerability. Organizations must implement comprehensive input validation controls and strengthen access control mechanisms to prevent unauthorized data access. The implementation of principle of least privilege should be enforced, ensuring that system modules operate with minimal required permissions. Security monitoring should be enhanced to detect anomalous data access patterns that may indicate exploitation attempts. Regular security assessments and penetration testing should be conducted to identify similar vulnerabilities within the system architecture. Additionally, organizations should establish robust incident response procedures specifically designed to address data confidentiality breaches. The remediation process should include thorough code reviews of the affected module to identify any additional security flaws, along with comprehensive testing to ensure that patches do not introduce regressions. Network segmentation and data loss prevention tools should be deployed to limit the potential impact of successful exploitation attempts. According to NIST SP 800-53 security controls, this vulnerability requires implementation of access control mechanisms, audit logging, and system monitoring to prevent unauthorized data access and maintain data confidentiality as specified in control families AC-3 Access Enforcement and AU-12 Audit Logging.