CVE-2018-1000644: Eclipse RDF4j XML External Entity (XXE) Vulnerability
Summary
CVE-2018-1000644: Eclipse RDF4j vulnerable to XML External Entitiy. Affects org.eclipse.rdf4j:rdf4j-runtime versions < 2.4.0. Fixed in 2.4.0. How to fix ↓
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Background
Eclipse RDF4j is an open-source Java library for working with RDF data. It provides a comprehensive set of tools and APIs for managing RDF datasets and performing various operations on them. The library is widely used in applications that deal with semantic data and knowledge representation. However, versions prior to 2.4.0 Milestone 2 of Eclipse RDF4j are vulnerable to an XML External Entity (XXE) attack.
Vulnerability Detail
The XML External Entity (XXE) vulnerability in Eclipse RDF4j allows an attacker to exploit the XML parser used by the library to parse RDF files. By crafting a specially crafted RDF file, an attacker can trigger the parsing process to disclose confidential data, perform denial of service attacks, initiate server-side request forgery, or even conduct port scanning. This vulnerability is considered critical with a CVSS score of 10.0.
How To Fix
Minimum fixed version
2.4.0
This is the first release that contains the fix.
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Workaround
There is no known workaround for this vulnerability. It is strongly advised to upgrade to the fixed version of Eclipse RDF4j to address the issue.
Conclusion
The XML External Entity (XXE) vulnerability in Eclipse RDF4j poses a significant security risk, potentially leading to the disclosure of sensitive data and other malicious activities. It is crucial to upgrade to the fixed version of Eclipse RDF4j (2.4.0 or later) to ensure the application is protected against this vulnerability. For further support on vulnerability remediation, please contact DevNack.com.
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FAQ
Eclipse RDF4j is a Java library for working with RDF data, providing tools and APIs for managing RDF datasets.
An XML External Entity (XXE) vulnerability allows an attacker to exploit the XML parser by including external entities in the XML input, leading to various security risks.
The vulnerability can result in the disclosure of confidential data, denial of service attacks, server-side request forgery, and port scanning.
The CVSS score of this vulnerability is 10.0, indicating its critical severity.
To fix this vulnerability, it is recommended to upgrade to version 2.4.0 or later of Eclipse RDF4j.
