CVE-2023-27025: RuoYi Arbitrary File Download Vulnerability
Summary
CVE-2023-27025: RuoYi vulnerable to arbitrary file download. Affects com.ruoyi:ruoyi versions < 4.7.7. Fixed in 4.7.7. How to fix ↓
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Background
RuoYi is an open-source background management module that provides various functionalities for server management. It is commonly used for administrative tasks and data management. The package 'com.ruoyi:ruoyi' is vulnerable to an arbitrary file download vulnerability in versions 4.7.6 and below. This vulnerability allows attackers to download arbitrary files from the server, potentially leading to unauthorized access and data leakage.
Vulnerability Detail
The arbitrary file download vulnerability in RuoYi arises from a flaw in the background management module. Attackers can exploit this vulnerability by sending specially crafted requests to the server, tricking it into serving arbitrary files. This can result in the unauthorized disclosure of sensitive information, such as configuration files, user data, or any other file accessible to the server. The impact of this vulnerability can be severe, as it provides attackers with direct access to sensitive files and potentially exposes the entire server to further exploitation.
How To Fix
Minimum fixed version
4.7.7
This is the first release that contains the fix.
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Workaround
As a temporary workaround, developers can implement access controls and input validation mechanisms to restrict unauthorized file downloads. This can be achieved by validating user input and ensuring that requested files are within the allowed scope. Additionally, it is recommended to implement server-side security measures, such as file whitelisting or access restrictions based on user roles, to further mitigate the risk of arbitrary file downloads.
Conclusion
The arbitrary file download vulnerability in RuoYi poses a significant risk to server security and data confidentiality. It is crucial for developers to promptly update their RuoYi dependencies to version 4.7.6 or above to mitigate this vulnerability. Implementing access controls and input validation mechanisms can serve as temporary workarounds until the update is applied. For further assistance and support in vulnerability remediation, please contact DevNack.com.
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FAQ
The vulnerability allows attackers to download arbitrary files from the server, potentially leading to unauthorized access and data leakage. This can have severe consequences, including the exposure of sensitive information and the compromise of the entire server.
To fix this vulnerability, it is recommended to upgrade RuoYi to version 4.7.6 or above. This version includes a patch that addresses the arbitrary file download issue. Update the 'pom.xml' file to specify the updated version of the 'com.ruoyi:ruoyi' package and thoroughly test the application after the update.
As a temporary workaround, developers can implement access controls and input validation mechanisms to restrict unauthorized file downloads. It is also recommended to implement server-side security measures, such as file whitelisting or access restrictions based on user roles.
At the time of this report, there are no known public exploits specifically targeting this vulnerability. However, it is crucial to address the vulnerability promptly to prevent potential exploitation.
For more information about this vulnerability, you can refer to the GitHub Security Advisory database entry at: https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2023/04/GHSA-h4c9-rr5m-32fm/GHSA-h4c9-rr5m-32fm.json
References
Related vulnerabilities
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