Executive Summary

This vulnerability exists in the Lite Agent feature of Cisco Enterprise Chat and Email (ECE). It allows an authenticated remote attacker, who has valid user credentials with at least the Agent role, to perform browser-based attacks.

The root cause is inadequate validation of file contents during file upload operations. An attacker can upload a file containing malicious scripts or HTML code. When this file is accessed by other users, the malicious content can be executed in their browsers, enabling the attacker to conduct browser-based attacks.

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Impact Analysis

If exploited, this vulnerability could allow an attacker to execute malicious scripts in the browsers of users who access the uploaded files. This could lead to unauthorized actions performed on behalf of users, potentially compromising user sessions or data integrity.

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Mitigation Strategies

To mitigate this vulnerability, ensure that only trusted users with valid credentials and appropriate roles (at least Agent role) can upload files. Implement strict validation and sanitization of file contents during upload operations to prevent malicious scripts or HTML code from being accepted. Additionally, monitor and restrict file upload functionality to reduce the risk of exploitation.

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