Description
Improper Restriction of XML External Entity Reference vulnerability in bonigarcia webdrivermanager WebDriverManager on Windows, MacOS, Linux (XML parsing components modules) allows Data Serialization External Entities Blowup. This vulnerability is associated with program files src/main/java/io/github/bonigarcia/wdm/WebDriverManager.java. This issue affects webdrivermanager: from 1.0.0 before 6.0.2.
EPSS Score:
0%
Comprehensive Technical Analysis of EUVD-2025-14900
1. Vulnerability Assessment and Severity Evaluation
The vulnerability EUVD-2025-14900, also known as CVE-2025-4641, is classified as an "Improper Restriction of XML External Entity Reference" (XXE) vulnerability. This type of vulnerability occurs when an application processes XML input that includes external entity references without proper restrictions. The Base Score of 9.3, according to CVSS 4.0, indicates a critical severity level. The vector string CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:L/VA:H/SC:H/SI:L/SA:H highlights the following:
- Attack Vector (AV): Network (N) - The vulnerability can be exploited remotely over the network.
- Attack Complexity (AC): Low (L) - The attack requires minimal skill or resources.
- Authentication (AT): None (N) - No authentication is required to exploit the vulnerability.
- Privileges Required (PR): None (N) - No special privileges are needed.
- User Interaction (UI): None (N) - No user interaction is required.
- Confidentiality Impact (VC): High (H) - There is a significant impact on the confidentiality of data.
- Integrity Impact (VI): Low (L) - The impact on data integrity is minimal.
- Availability Impact (VA): High (H) - There is a significant impact on the availability of the system.
- Scope Change (SC): High (H) - The vulnerability affects components beyond its security scope.
- Scope Impact (SI): Low (L) - The impact within the changed scope is minimal.
- Scope Availability (SA): High (H) - The availability impact within the changed scope is significant.
2. Potential Attack Vectors and Exploitation Methods
Attackers can exploit this vulnerability by crafting malicious XML input that includes external entity references. These references can be used to:
- Read Local Files: Access sensitive files on the server.
- Perform Denial of Service (DoS): Overload the server with excessive XML parsing requests.
- Execute Remote Code: In some cases, execute arbitrary code on the server.
- Exfiltrate Data: Send data to an external server controlled by the attacker.
Exploitation typically involves sending a specially crafted XML payload to the vulnerable application, which then processes the external entity references without proper validation.
3. Affected Systems and Software Versions
The vulnerability affects the webdrivermanager library, specifically versions from 1.0.0 to before 6.0.2. This library is used across multiple platforms, including Windows, MacOS, and Linux. The affected component is the XML parsing module within the WebDriverManager.java file.
4. Recommended Mitigation Strategies
To mitigate this vulnerability, the following steps are recommended:
- Update to the Latest Version: Upgrade to
webdrivermanagerversion 6.0.2 or later, which includes the necessary patches. - Disable External Entities: Configure the XML parser to disable external entity references.
- Input Validation: Implement strict input validation to ensure that only trusted XML data is processed.
- Network Security: Use firewalls and intrusion detection systems to monitor and block suspicious network traffic.
- Regular Audits: Conduct regular security audits and code reviews to identify and fix similar vulnerabilities.
5. Impact on European Cybersecurity Landscape
The impact of this vulnerability on the European cybersecurity landscape is significant due to the widespread use of the webdrivermanager library in various applications and services. Organizations that rely on this library for web automation and testing are at risk of data breaches, service disruptions, and potential compliance violations under regulations such as GDPR. The critical severity of the vulnerability underscores the need for prompt action to mitigate risks and protect sensitive data.
6. Technical Details for Security Professionals
Vulnerable Code Snippet:
// Example of vulnerable code in WebDriverManager.java
DocumentBuilderFactory dbf = DocumentBuilderFactory.newInstance();
DocumentBuilder db = dbf.newDocumentBuilder();
Document doc = db.parse(new InputSource(new StringReader(xmlInput)));
Mitigation Code Snippet:
// Example of mitigated code in WebDriverManager.java
DocumentBuilderFactory dbf = DocumentBuilderFactory.newInstance();
dbf.setFeature("http://apache.org/xml/features/disallow-doctype-decl", true);
dbf.setFeature("http://xml.org/sax/features/external-general-entities", false);
dbf.setFeature("http://xml.org/sax/features/external-parameter-entities", false);
DocumentBuilder db = dbf.newDocumentBuilder();
Document doc = db.parse(new InputSource(new StringReader(xmlInput)));
References:
By following these recommendations and staying vigilant, organizations can effectively mitigate the risks associated with this vulnerability and enhance their overall cybersecurity posture.