Overview
The Common Vulnerability and Exposure identifier CVE-2025-59352 is associated with a critical vulnerability in the Dragonfly open source file distribution and image acceleration system. This vulnerability, present in versions prior to 2.1.0, allows peers to create and read arbitrary files, granting potential remote code execution (RCE) capabilities and enabling data theft. Given the widespread use of Dragonfly, this vulnerability has far-reaching implications and is a significant concern for all users of this system. Addressing this vulnerability promptly is essential to prevent potential system compromise and data leakage.
Vulnerability Summary
CVE ID: CVE-2025-59352
Severity: Critical (9.8/10)
Attack Vector: Network
Privileges Required: None
User Interaction: None
Impact: System compromise, data theft and potential remote code execution (RCE)
Affected Products
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Product | Affected Versions
Dragonfly | Prior to 2.1.0
How the Exploit Works
The vulnerability in question stems from the gRPC and HTTP APIs in Dragonfly. These APIs allow peers to send requests that force the recipient peer to create files in arbitrary file system locations, and to read arbitrary files. This means that an attacker can use this vulnerability to create or read files anywhere in the system. If the attacker chooses to create a malicious file, they might gain remote code execution capabilities. If the attacker chooses to read files, they can potentially gain access to sensitive data.
Conceptual Example Code
Below is a conceptual example of how the vulnerability might be exploited:
POST /createFile HTTP/1.1
Host: target.example.com
Content-Type: application/json
{
"filePath": "/etc/passwd",
"fileContent": "malicious payload"
}In this example, the attacker sends a malicious payload that forces the server to create a file at an arbitrary location (`/etc/passwd` in this case). This can lead to a variety of attacks, including remote code execution (RCE) and data theft.
Remediation
To mitigate this vulnerability, users are advised to apply the vendor patch by upgrading to Dragonfly version 2.1.0. If this is not possible, employing a web application firewall (WAF) or intrusion detection system (IDS) can offer temporary mitigation. However, these are not long-term solutions and upgrading the system should be a priority.
