CVE-2021-31164: Command injection in Apache Unomi
Summary
CVE-2021-31164: Command injection in Apache Unomi. Affects org.apache.unomi:unomi versions < 1.5.5. Fixed in 1.5.5. How to fix ↓
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Background
Apache Unomi is an open-source customer data platform that allows organizations to collect, store, and analyze customer data to deliver personalized experiences. It is commonly used in marketing automation, personalization, and customer experience management. However, a vulnerability has been discovered in Apache Unomi prior to version 1.5.5 that allows for CRLF log injection due to the lack of escaping in the log statements.
Vulnerability Detail
The command injection vulnerability in Apache Unomi can be exploited by an attacker to inject arbitrary commands into log statements. This can lead to various security risks, including remote code execution, unauthorized access to sensitive information, and potential compromise of the affected system. The lack of proper input validation and escaping in the log statements allows an attacker to manipulate the log entries and execute arbitrary commands.
How To Fix
Minimum fixed version
1.5.5
This is the first release that contains the fix.
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Workaround
As a temporary workaround, it is advised to sanitize and validate user input before it is logged. This can be done by implementing proper input validation and escaping techniques in the code that handles log statements. By sanitizing the input, the risk of command injection can be mitigated. Here is an example of how input validation and escaping can be implemented in Java:
String sanitizedInput = StringEscapeUtils.escapeJava(userInput);
logger.info("User input: " + sanitizedInput);
This code snippet uses the Apache Commons Lang library to escape special characters in the user input before logging it. By applying this technique, the vulnerability can be mitigated until the package is updated to a fixed version.
Conclusion
In conclusion, the command injection vulnerability in Apache Unomi prior to version 1.5.5 can lead to serious security risks. It is crucial to update the package to the latest version or apply the recommended workaround to mitigate the vulnerability. For further support and assistance in vulnerability remediation, please contact DevNack.com.
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FAQ
Apache Unomi is an open-source customer data platform used for collecting, storing, and analyzing customer data to deliver personalized experiences.
Command injection is a security vulnerability that allows an attacker to execute arbitrary commands on a vulnerable system.
The potential risks of this vulnerability include remote code execution, unauthorized access to sensitive information, and compromise of the affected system.
To fix this vulnerability, it is recommended to upgrade Apache Unomi to version 1.5.5 or later.
Yes, a temporary workaround is to sanitize and validate user input before it is logged.
References
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