Executive Summary

The vulnerability in deepstream versions prior to 10.0.5 is a Prototype Pollution issue. This means that an attacker can manipulate the prototype of a base object, potentially altering the behavior of the application. In this case, any authenticated user with write permission to any record can exploit this vulnerability.

Exploitation of this vulnerability can lead to privilege escalation, allowing the attacker to gain higher-level permissions than originally granted.

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Impact Analysis

This vulnerability can have a severe impact as it allows privilege escalation from any authenticated user with write access. An attacker could gain unauthorized elevated privileges, potentially leading to unauthorized access, data manipulation, or disruption of services.

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Mitigation Strategies

To mitigate this vulnerability, upgrade deepstream to version 10.0.5 or later, where the Prototype Pollution issue has been fixed.

Additionally, restrict write permissions to records only to trusted authenticated users to reduce the risk of exploitation.

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