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Vulnerability DatabaseCVE-2023-0482

CVE-2023-0482: 
Java vulnerability analysis and mitigation

Overview

In RESTEasy versions prior to 4.7.8, an insecure implementation of File.createTempFile() was discovered in the DataSourceProvider, FileProvider, and Mime4JWorkaround classes. This vulnerability was assigned CVE-2023-0482 and was first reported on January 24, 2023 (CVE-MITRE).

Technical details

The vulnerability stems from the usage of insecure File.createTempFile() method in multiple classes including DataSourceProvider, FileProvider, and Mime4JWorkaround. The created temporary files have insecure permissions that could potentially be read by local users. The vulnerability has been assigned a CVSS v3.1 score of 5.5 (MEDIUM) with the vector CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N (NetApp-Advisory).

Impact

The successful exploitation of this vulnerability could lead to disclosure of sensitive information as the temporary files created with insecure permissions could be read by local users (NetApp-Advisory).

Mitigation and workarounds

The vulnerability has been fixed by implementing new NIO file utilities to create temporary files. The fix was merged through a pull request that replaced the usage of File.createTempFile() with Files.createTempFile() (GitHub-Commit).

Additional resources

Source: This report was generated using AI

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