CVE-2017-5648: Exposure of Resource to Wrong Sphere in Apache Tomcat
Summary
CVE-2017-5648: Exposure of Resource to Wrong Sphere in Apache Tomcat. Affects org.apache.tomcat:tomcat-catalina across 4 version ranges.
>= 7.0.0, < 7.0.76
>= 8.0.0, < 8.0.42
>= 8.5.0, < 8.5.13
>= 9.0.0.M1, < 9.0.0.M18
Fixed in 4 releases; the minimum fixed version depends on the release line you run. How to fix ↓
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Background
Apache Tomcat is an open-source web server and servlet container that is used to deploy Java-based web applications. It provides a Java Servlet and JavaServer Pages (JSP) environment for running web applications. Apache Tomcat is widely used and offers various features and functionalities for web application development and deployment. However, it is vulnerable to the exposure of resources to the wrong sphere.
Vulnerability Detail
The vulnerability in Apache Tomcat (versions 7.0.0 to 7.0.75, 8.0.0.RC1 to 8.0.41, 8.5.0 to 8.5.11, and 9.0.0.M1 to 9.0.0.M17) allows untrusted applications running under a SecurityManager to access and modify information associated with another web application. This occurs due to some calls to application listeners not using the appropriate facade object. As a result, an attacker can exploit this vulnerability to gain unauthorized access to sensitive information or modify data of other web applications.
How To Fix
Fixed versions by release line
The minimum fixed version depends on the release line you run.
-
>= 7.0.0, < 7.0.767.0.76 -
>= 8.0.0, < 8.0.428.0.42 -
>= 8.5.0, < 8.5.138.5.13 -
>= 9.0.0.M1, < 9.0.0.M189.0.0.M18
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Workaround
If upgrading Apache Tomcat is not immediately feasible, a workaround can be implemented by disabling the SecurityManager or restricting access to sensitive resources. However, this workaround may have implications on the overall security of the system and should be carefully evaluated before implementation.
Conclusion
The exposure of resources to the wrong sphere vulnerability in Apache Tomcat can lead to unauthorized access and data manipulation. It is crucial to upgrade to the recommended versions or apply the provided workarounds to mitigate the risk. For further support on vulnerability remediation, please contact DevNack.com.
See every vulnerability recorded for org.apache.tomcat:tomcat-catalina →
FAQ
Apache Tomcat is an open-source web server and servlet container used for deploying Java-based web applications.
The vulnerability affects Apache Tomcat versions 7.0.0 to 7.0.75, 8.0.0.RC1 to 8.0.41, 8.5.0 to 8.5.11, and 9.0.0.M1 to 9.0.0.M17.
The vulnerability allows untrusted applications to access and modify information associated with other web applications, potentially leading to unauthorized access or data manipulation.
To fix this vulnerability, it is recommended to upgrade Apache Tomcat to version 7.0.76, 8.0.42, 8.5.13, or 9.0.0.M18 or later.
A workaround can be implemented by disabling the SecurityManager or restricting access to sensitive resources, but it may have implications on overall system security.
References
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