CVE-2021-29620 : What You Need to Know

A detailed analysis of CVE-2021-29620, a vulnerability affecting ReportPortal versions >= 3.1.0 and < 5.4.0.

Understanding CVE-2021-29620

This CVE-2021-29620 involves an XML external entity (XXE) vulnerability related to Launch import with an externally-defined DTD file in ReportPortal.

What is CVE-2021-29620?

ReportPortal, an open-source reporting and analysis framework starting from version 3.1.0, introduced XML parsing. However, the XML parser was not configured properly, allowing an attacker to import a maliciously crafted XML file with an external Document Type Definition (DTD) file leading to potential exploitation.

The Impact of CVE-2021-29620

The vulnerability presents a high severity risk with a CVSS base score of 7.5, impacting confidentiality as it allows for the extraction of sensitive information.

Technical Details of CVE-2021-29620

Exploring the specifics of the vulnerability.

Vulnerability Description

The XXE vulnerability enables an attacker to import XML files with external entities, potentially leading to data extraction or server-side request forgery within the service-api module of ReportPortal.

Affected Systems and Versions

ReportPortal versions >= 3.1.0 and < 5.4.0 are affected by this vulnerability.

Exploitation Mechanism

Attackers can exploit this vulnerability by importing specially crafted XML files with malicious DTD files.

Mitigation and Prevention

Guidelines to mitigate the risks posed by CVE-2021-29620.

Immediate Steps to Take

Update ReportPortal to version 5.4.0 or later to mitigate the XXE vulnerability.

Long-Term Security Practices

Regularly monitor and apply security patches and configurations to prevent similar vulnerabilities.

Patching and Updates

Stay informed about security advisories and updates released by ReportPortal to address such vulnerabilities.