CVE-2020-7683 : Security Advisory and Response
Learn about CVE-2020-7683 affecting rollup-plugin-server. This directory traversal vulnerability allows unauthorized access to files. Find mitigation steps here.
This CVE-2020-7683 article provides insights into a vulnerability affecting the rollup-plugin-server package, leading to directory traversal.
Understanding CVE-2020-7683
This vulnerability, categorized as a Directory Traversal issue, impacts all versions of the rollup-plugin-server package.
What is CVE-2020-7683?
The vulnerability arises due to the absence of path sanitization in the readFile operation within the readFileFromContentBase function.
The Impact of CVE-2020-7683
The vulnerability has a CVSS v3.1 base score of 7.5, indicating a high severity level. It allows for high confidentiality impact but no integrity or availability impact.
Technical Details of CVE-2020-7683
Vulnerability Description
The issue stems from the lack of path sanitization in a specific function, enabling directory traversal.
Affected Systems and Versions
- Product: rollup-plugin-server
- Vendor: Not applicable
- Versions: Custom version 0
Exploitation Mechanism
The vulnerability can be exploited through a proof-of-concept exploit code, with low attack complexity and network-based attack vector.
Mitigation and Prevention
Immediate Steps to Take
- Update the rollup-plugin-server package to a patched version.
- Implement input validation to prevent directory traversal attacks.
Long-Term Security Practices
- Regularly monitor and update dependencies to address security vulnerabilities promptly.
- Conduct security audits to identify and mitigate similar issues in other packages.
Patching and Updates
Apply patches and updates provided by the package maintainers to address the directory traversal vulnerability.