Privilege Escalation in MongoDB Server via applyOps Command

Executive Summary

This vulnerability in MongoDB Server's applyOps command allows an authenticated user with specific non-default privileges to drop or modify collections they do not have permission to access. The issue arises from an inconsistency between the authorization check and the actual operation target.

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Detection Guidance

Detection requires reviewing MongoDB server logs for suspicious applyOps command usage by authenticated users with non-default privileges. Check for operations targeting collections outside their authorized scope, particularly drops or modifications. No specific commands are provided in the available context.

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Impact Analysis

An attacker could exploit this to delete or alter data in collections they should not have access to, potentially leading to data loss, corruption, or unauthorized modifications. This could disrupt services relying on that data.

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Compliance Impact

This vulnerability could lead to unauthorized data access or destruction, violating confidentiality and integrity requirements in GDPR and HIPAA. Non-compliance may result in legal penalties, fines, or reputational damage.

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Mitigation Strategies

Immediately update MongoDB Server to the latest patched version to address the applyOps command authorization flaw. Ensure only users with necessary privileges can perform data-definition operations. Review and restrict non-default privileges for authenticated users.

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