CVE-2022-28890 : What You Need to Know

A vulnerability in the RDF/XML parser of Apache Jena has been identified, allowing an attacker to trigger the retrieval of an external Document Type Definition (DTD). This vulnerability impacts Apache Jena version 4.4.0 and earlier versions, while versions 4.2.x and 4.3.x are not susceptible to external entities.

Understanding CVE-2022-28890

This section delves into the specifics of CVE-2022-28890.

What is CVE-2022-28890?

The CVE-2022-28890 vulnerability in Apache Jena enables malicious actors to perform XML External DTD attacks by manipulating the RDF/XML parser.

The Impact of CVE-2022-28890

With a severity rating of 'medium', this vulnerability poses a risk of unauthorized data access and manipulation through the retrieval of external DTDs.

Technical Details of CVE-2022-28890

Explore technical aspects surrounding CVE-2022-28890.

Vulnerability Description

The vulnerability in Apache Jena permits the retrieval of external DTDs, providing attackers with the opportunity to exploit the RDF/XML parser.

Affected Systems and Versions

Apache Jena versions up to and including 4.4.0 are susceptible to this vulnerability. Users should take immediate action to secure their systems.

Exploitation Mechanism

By leveraging the vulnerability in the RDF/XML parser, threat actors can execute XML External DTD attacks to compromise systems.

Mitigation and Prevention

Learn how to mitigate the risks associated with CVE-2022-28890.

Immediate Steps to Take

Users are strongly advised to upgrade their Apache Jena installations to version 4.5.0 or later to protect against this vulnerability.

Long-Term Security Practices

In addition to immediate upgrades, it is recommended to implement robust security practices, including regular system updates and security audits.

Patching and Updates

Stay informed about security patches and updates released by Apache Software Foundation to address vulnerabilities like CVE-2022-28890.