CVE-2022-0198 : Security Advisory and Response

A detailed analysis of the vulnerability affecting 'stanfordnlp/corenlp'.

Understanding CVE-2022-0198

This CVE involves an Improper Restriction of XML External Entity Reference vulnerability found in 'stanfordnlp/corenlp'.

What is CVE-2022-0198?

The vulnerability in 'stanfordnlp/corenlp' allows attackers to exploit an Improper Restriction of XML External Entity Reference, leading to significant confidentiality impact.

The Impact of CVE-2022-0198

With a CVSS base score of 6.1 (Medium severity), this vulnerability can result in high confidentiality impact and low integrity impact on affected systems.

Technical Details of CVE-2022-0198

Exploring the technical aspects of the vulnerability within 'stanfordnlp/corenlp'.

Vulnerability Description

The vulnerability arises due to the improper restriction of XML external entity references, posing a risk to the confidentiality of sensitive data.

Affected Systems and Versions

Users of 'stanfordnlp/corenlp' with versions less than 4.3.3, specifically custom versions, are affected by this CVE.

Exploitation Mechanism

Local attackers can exploit this vulnerability without any privileges, requiring user interaction to trigger the entity reference restriction bypass.

Mitigation and Prevention

Guidelines to mitigate the risks associated with CVE-2022-0198 in 'stanfordnlp/corenlp'.

Immediate Steps to Take

Users are advised to update 'stanfordnlp/corenlp' to version 4.3.3 or higher to prevent exploitation of this vulnerability.

Long-Term Security Practices

Implementing secure coding practices, input validation, and XML parsing best practices can help mitigate XML external entity reference vulnerabilities.

Patching and Updates

Regularly updating software, monitoring security advisories, and employing security tools can aid in preventing and addressing vulnerabilities effectively.