CVE-2018-20094: Path Traversal in com.xuxueli:xxl-conf
Summary
CVE-2018-20094: XXL-CONF Path Traversal vulnerability. Affects com.xuxueli:xxl-conf-admin versions < 1.6.0. No fix is published. How to fix ↓
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Background
com.xuxueli:xxl-conf is a Maven package that provides configuration management functionality. It allows users to manage and download configuration files for their applications. However, version 1.6.0 of xxl-conf is vulnerable to a path traversal attack, which can be exploited to download any configuration file on the server.
Vulnerability Detail
The vulnerability in com.xuxueli:xxl-conf version 1.6.0 is due to insufficient input validation in the keys parameter. An attacker can use '../' sequences to navigate to parent directories and access sensitive files outside the intended directory. This can lead to unauthorized access to configuration files, potentially exposing sensitive information. The vulnerability is present in ConfController.java and PropUtil.java.
How To Fix
No fixed version is published for this vulnerability.
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Workaround
If upgrading to a patched version is not immediately possible, a temporary workaround is to implement input validation on the keys parameter. Ensure that the input does not contain any '../' sequences or other characters that could be used for directory traversal. Additionally, restrict access to sensitive configuration files to authorized users only.
Conclusion
com.xuxueli:xxl-conf version 1.6.0 is vulnerable to a path traversal attack that allows unauthorized access to configuration files. It is recommended to upgrade to a non-vulnerable version or apply input validation to mitigate this vulnerability. For further support on vulnerability remediation, contact DevNack.com.
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FAQ
com.xuxueli:xxl-conf is a Maven package that provides configuration management functionality for applications.
The vulnerability allows an attacker to download any configuration file on the server, potentially exposing sensitive information.
Upgrade to a non-vulnerable version of com.xuxueli:xxl-conf or apply input validation on the keys parameter to prevent path traversal attacks.
Implement input validation on the keys parameter and restrict access to sensitive configuration files.
For more information and support on vulnerability remediation, contact info@devnack.com.
