XML Injection vulnerability in dom4j
Summary
CVE-2018-1000632: dom4j version prior to version 2.1.1 contains a CWE-91: XML Injection vulnerability in Class: Element. Affects dom4j across 2 version ranges.
< 2.1.1-1
< e598eb43d418744c4dbf62f647dd2381c9ce9387
Fixed in 2.1.1-1. How to fix ↓
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Background
dom4j is an open-source library for working with XML documents in Java. It provides a simple and flexible API for parsing, manipulating, and generating XML. The library is widely used in various applications and frameworks that deal with XML data. However, versions prior to 2.1.1 are vulnerable to XML Injection.
Vulnerability Detail
The XML Injection vulnerability in dom4j allows an attacker to tamper with XML documents by injecting malicious attributes or elements. This can lead to various security issues, such as unauthorized access, data manipulation, or denial of service. The vulnerability has been assigned the CVE identifier CVE-2018-1000632 and has a CVSS score of 7.5 (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N).
How To Fix
Minimum fixed version
2.1.1-1
This is the first release that contains the fix.
sudo apt-get install --only-upgrade dom4jTip — Not sure which version your app runs? Vulert can match this fix to it. Scan free →
Workaround
If upgrading to the fixed version is not immediately feasible, you can mitigate the risk by implementing input validation and sanitization techniques when processing XML data. Ensure that all user-supplied input is properly validated and sanitized before being used in XML documents. This includes attributes, elements, and any other XML-related content.
Conclusion
The XML Injection vulnerability in dom4j can be a serious security risk if left unaddressed. It is crucial to upgrade to the fixed version or implement appropriate input validation and sanitization techniques to mitigate the risk. For further support and assistance in vulnerability remediation, you can contact DevNack.com.
See every vulnerability recorded for dom4j →
FAQ
XML Injection is a type of attack where an attacker injects malicious XML content into an application's XML processing routines. This can lead to various security vulnerabilities, such as unauthorized data access, data manipulation, or denial of service.
The XML Injection vulnerability in dom4j can be exploited by an attacker who can manipulate XML documents by injecting malicious attributes or elements. This can be done by providing specially crafted input to the vulnerable methods, such as addElement or addAttribute.
The XML Injection vulnerability can have serious consequences, including unauthorized access to sensitive data, data manipulation, or denial of service. An attacker could modify the structure or content of XML documents, leading to unexpected behavior or security breaches in the application.
Yes, the XML Injection vulnerability has been fixed in dom4j version 2.1.1 and later. It is recommended to upgrade to the latest version to ensure the security of your application.
If upgrading to the fixed version is not immediately feasible, you can mitigate the risk by implementing input validation and sanitization techniques when processing XML data. Ensure that all user-supplied input is properly validated and sanitized before being used in XML documents.
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