CVE-2018-17297 : Vulnerability Insights and Analysis

Hutool before version 4.1.12 is vulnerable to a directory traversal issue in the unzip function of ZipUtil.java, allowing remote attackers to overwrite arbitrary files within a ZIP archive.

Understanding CVE-2018-17297

This CVE involves a security vulnerability in Hutool that could be exploited by attackers to modify files through malicious ZIP archives.

What is CVE-2018-17297?

The vulnerability in the unzip function of ZipUtil.java in Hutool versions prior to 4.1.12 allows remote attackers to manipulate files by using directory traversal sequences in a ZIP archive's filename.

The Impact of CVE-2018-17297

The security flaw enables attackers to overwrite arbitrary files, potentially leading to unauthorized modifications and data manipulation.

Technical Details of CVE-2018-17297

Hutool's vulnerability in the unzip function of ZipUtil.java exposes systems to file manipulation attacks.

Vulnerability Description

The issue allows remote attackers to overwrite files by exploiting directory traversal sequences in ZIP archive filenames.

Affected Systems and Versions

Product: Not applicable
Vendor: Not applicable
Versions affected: All versions prior to 4.1.12

Exploitation Mechanism

Attackers can leverage directory traversal sequences within ZIP archive filenames to modify files and potentially compromise system integrity.

Mitigation and Prevention

To address CVE-2018-17297, immediate actions and long-term security practices are crucial.

Immediate Steps to Take

Update Hutool to version 4.1.12 or later to mitigate the vulnerability.
Avoid opening ZIP archives from untrusted or unknown sources.

Long-Term Security Practices

Implement input validation mechanisms to prevent directory traversal attacks.
Regularly monitor and audit file modifications to detect unauthorized changes.

Patching and Updates

Apply patches and updates provided by Hutool promptly to address security vulnerabilities and enhance system protection.