CVE-2018-8027: Apache Camel XXE in XSD Validation Processor
Summary
CVE-2018-8027: Apache is vulnerable to XXE in XSD validation processor. Affects org.apache.camel:camel-core across 2 version ranges.
>= 2.20.0, < 2.20.4
>= 2.21.0, < 2.21.1
Fixed in 2.20.4 or 2.21.1, depending on the release line you run. How to fix ↓
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Background
Apache Camel is an open-source integration framework that provides a rule-based routing and mediation engine. It allows developers to build applications using various protocols and technologies. The Apache Camel Core package is a fundamental component of Apache Camel, providing essential functionality for message routing and transformation. However, versions 2.20.0 to 2.20.3 and 2.21.0 of Apache Camel Core are vulnerable to an XML External Entity (XXE) attack in the XSD validation processor.
Vulnerability Detail
The XXE vulnerability in Apache Camel Core allows an attacker to exploit the XSD validation processor by providing a specially crafted XML input. This can lead to various security risks, including remote code execution, disclosure of internal files, and denial of service attacks. The vulnerability is rated as critical with a CVSS score of 9.8. It is identified by CVE-2018-8027 and tracked as GHSA-8vfm-4388-6rpc in the GitHub Security Advisory Database.
How To Fix
Fixed versions by release line
The minimum fixed version depends on the release line you run.
-
>= 2.20.0, < 2.20.42.20.4 -
>= 2.21.0, < 2.21.12.21.1
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Workaround
There is no known workaround for this vulnerability. It is essential to apply the recommended fix by upgrading to the fixed versions of Apache Camel Core.
Conclusion
The XXE vulnerability in Apache Camel Core can have severe security implications, including remote code execution and disclosure of sensitive information. It is crucial to upgrade to the fixed versions of Apache Camel Core (2.20.4 or 2.21.1) to mitigate this vulnerability. For further support on vulnerability remediation, you can contact DevNack.com.
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FAQ
Apache Camel is an open-source integration framework that provides a rule-based routing and mediation engine. It allows developers to build applications using various protocols and technologies.
The Apache Camel Core package is a fundamental component of Apache Camel, providing essential functionality for message routing and transformation.
An XML External Entity (XXE) attack is a type of vulnerability that allows an attacker to exploit XML parsers by including external entities in the XML input. This can lead to various security risks, including remote code execution, disclosure of internal files, and denial of service attacks.
The CVSS score of this vulnerability is 9.8, which indicates a critical severity level.
You can use Vulert's playground (https://vulert.com/scanner) to check if your application is affected by this vulnerability. Vulert monitors and alerts in real-time for open-source vulnerabilities using just the pom.xml file.
References
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