CVE-2023-27602 : Vulnerability Insights and Analysis

This CVE record pertains to a vulnerability in Apache Linkis, specifically in the PublicService module, where files can be uploaded without restrictions on the path to the uploaded files. The affected version is Apache Linkis <=1.3.1, with a recommended upgrade to version 1.3.2 for mitigation.

Understanding CVE-2023-27602

This section delves into the details of CVE-2023-27602, highlighting the vulnerability's impact, technical aspects, affected systems, and mitigation strategies.

What is CVE-2023-27602?

In Apache Linkis <=1.3.1, the PublicService module allows the uploading of files without enforcing restrictions on the path to the uploaded files and their types. This lack of proper validation opens the door to potential security risks and exploitation by threat actors.

The Impact of CVE-2023-27602

The impact of this vulnerability is significant as it could lead to unauthorized access, data manipulation, or potential execution of malicious code within the affected systems. Without proper mitigation measures, attackers could exploit this flaw to compromise the integrity and confidentiality of the system.

Technical Details of CVE-2023-27602

In this section, we explore the vulnerability description, affected systems and versions, as well as the exploitation mechanism associated with CVE-2023-27602.

Vulnerability Description

The vulnerability in Apache Linkis <=1.3.1 allows files to be uploaded without proper path restrictions, posing a risk of unauthorized access and potential security breaches.

Affected Systems and Versions

The specific version impacted by CVE-2023-27602 is Apache Linkis <=1.3.1, particularly for users utilizing the PublicService module for file uploads.

Exploitation Mechanism

Exploiting this vulnerability involves uploading files with malicious content or dangerous types without proper validation, potentially leading to unauthorized access, data corruption, or execution of arbitrary code within the system.

Mitigation and Prevention

This section outlines the necessary steps to mitigate the risks posed by CVE-2023-27602 and prevent any potential exploitation.

Immediate Steps to Take

Users are strongly advised to upgrade Apache Linkis to version 1.3.2 to address the vulnerability and enforce proper file path restrictions. Additionally, enabling the file path check switch in linkis.properties can help enhance security measures.

Long-Term Security Practices

Implementing secure coding practices, conducting regular security assessments, and ensuring thorough input validation processes can help prevent similar vulnerabilities from arising in the future.

Patching and Updates

Staying vigilant for security advisories from Apache Software Foundation and promptly applying patches and updates is crucial to safeguarding systems and mitigating the risks associated with CVE-2023-27602.