Arbitrary File Download in EverSync 0.5 Exposes Sensitive Data

Executive Summary

[{'type': 'paragraph', 'content': "CVE-2018-25164 is an arbitrary file download vulnerability in EverSync version 0.5. It allows unauthenticated attackers to download sensitive files directly from the application's files directory by sending specially crafted HTTP GET requests."}, {'type': 'paragraph', 'content': 'Attackers can exploit this flaw to access critical files such as database files (for example, db.sq3) that may contain application data and credentials, without needing any authentication.'}] [1, 2]

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Impact Analysis

This vulnerability can lead to unauthorized disclosure of sensitive information stored in the application, including database files that may contain user data and credentials.

Because attackers do not need to authenticate, they can easily exploit this flaw to gain access to confidential data, potentially leading to data breaches and further compromise of the system.

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Compliance Impact

I don't know

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Detection Guidance

[{'type': 'paragraph', 'content': "This vulnerability can be detected by sending crafted HTTP GET requests to the target server's files directory to check if sensitive files like db.sq3 can be downloaded without authentication."}, {'type': 'paragraph', 'content': 'A typical detection command using curl would be:'}, {'type': 'list_item', 'content': 'curl -v http://[TARGET]/[PATH]/files/db.sq3'}, {'type': 'paragraph', 'content': 'If the server responds with the file content, it indicates the vulnerability is present.'}] [1]

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Mitigation Strategies

I don't know

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