Edito CMS Deserialization of Untrusted Data Leads to RCE

Executive Summary

Edito CMS deserializes JSON data without proper validation. This flaw allows an attacker who can modify cache entries or inject malicious data to execute arbitrary code on the server. Normal application functionality cannot be used to exploit this issue.

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Detection Guidance

Detection requires checking for unauthorized cache modifications or suspicious JSON deserialization activity. Monitor cache files for unexpected entries and inspect server logs for unusual deserialization events. No specific commands are provided in the context.

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Impact Analysis

An attacker could gain control of the server by exploiting this vulnerability, potentially leading to data theft, unauthorized access, or disruption of services. The impact is high as it allows code execution with server privileges.

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Compliance Impact

This vulnerability could lead to unauthorized access or data breaches, violating GDPR and HIPAA requirements for data protection and security. Compliance may be compromised due to potential exposure of sensitive data.

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Mitigation Strategies

Upgrade to Edito CMS version 5.10.2607 or apply hotfixes for older versions (5.8). Ensure cache entries are not modifiable by unauthorized users and restrict access to cache modification interfaces.

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