CVE-2022-39031 in Smart eVision
Summary
by MITRE • 09/28/2022
Smart eVision has insufficient authorization for task acquisition function. An unauthorized remote attacker can exploit this vulnerability to acquire the Session IDs of other general users only.
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Analysis
by VulDB Data Team • 10/24/2022
The vulnerability identified as CVE-2022-39031 resides within the Smart eVision platform, a system designed for video surveillance and monitoring operations. This weakness manifests as insufficient authorization controls within the task acquisition function, creating a significant security gap that allows unauthorized actors to exploit the system remotely. The flaw specifically affects the session management mechanism, enabling attackers to obtain session identifiers belonging to regular users within the system. The vulnerability represents a critical authorization bypass issue that undermines the fundamental security model of the platform.
The technical implementation of this vulnerability stems from inadequate validation of user permissions during task acquisition processes. When legitimate users attempt to access system resources or perform operations, the platform should verify their authorization level before granting access. However, the Smart eVision system fails to properly enforce these authorization checks, allowing malicious actors to manipulate the system into revealing session identifiers. This issue typically occurs when the application does not adequately validate session tokens or when access control mechanisms are improperly configured. The flaw may be related to weak session management practices, improper input validation, or missing authorization middleware in the application's request handling pipeline.
The operational impact of CVE-2022-39031 extends beyond simple session theft, as it provides attackers with the ability to impersonate legitimate users within the system. While the vulnerability specifically targets session ID acquisition rather than direct system access, session hijacking enables attackers to assume user identities and potentially access restricted features or data. This compromise affects the integrity and confidentiality of user sessions, particularly impacting general users who may have access to sensitive surveillance footage or system controls. The vulnerability could enable attackers to monitor surveillance activities, manipulate system configurations, or potentially escalate privileges if session tokens contain elevated permissions.
Security professionals should consider this vulnerability in the context of CWE-285, which addresses improper authorization within software systems. The flaw also aligns with ATT&CK technique T1566, focusing on credential harvesting through unauthorized access to session management systems. Organizations should implement immediate mitigations including strengthening session management protocols, implementing proper access controls for task acquisition functions, and deploying session token validation mechanisms. Recommended remediation strategies include enforcing strict authentication checks before task acquisition, implementing session token rotation, and establishing proper input validation for all user requests. Additionally, network monitoring should be enhanced to detect anomalous session acquisition patterns and unauthorized access attempts. The vulnerability underscores the importance of proper authorization implementation in security-critical applications and highlights the need for comprehensive security testing of session management components.