CVE-2021-3878 : Security Advisory and Response

A detailed overview of the CVE-2021-3878 vulnerability affecting stanfordnlp/corenlp.

Understanding CVE-2021-3878

This section delves into the specifics of the vulnerability.

What is CVE-2021-3878?

The CVE-2021-3878 vulnerability involves the Improper Restriction of XML External Entity Reference in stanfordnlp/corenlp, making it susceptible to exploitation.

The Impact of CVE-2021-3878

The vulnerability poses a critical threat with a CVSS base score of 9.8. It can lead to high impacts on confidentiality, integrity, and availability of the affected systems.

Technical Details of CVE-2021-3878

Exploring the technical aspects of the CVE-2021-3878 vulnerability.

Vulnerability Description

The corenlp software is vulnerable due to improper restriction of XML external entity reference, allowing threat actors to exploit the system.

Affected Systems and Versions

The vulnerability impacts stanfordnlp/corenlp versions less than or equal to 4.3.0.

Exploitation Mechanism

With a low attack complexity and network-based attack vector, threat actors can exploit this vulnerability without requiring any specific privileges.

Mitigation and Prevention

Suggestions on mitigating the CVE-2021-3878 vulnerability.

Immediate Steps to Take

Immediately update stanfordnlp/corenlp to a secure version above 4.3.0. Disable external entity references to mitigate the risk.

Long-Term Security Practices

Regularly monitor for security advisories related to stanfordnlp/corenlp and implement secure coding practices to prevent similar vulnerabilities.

Patching and Updates

Ensure timely application of security patches and updates for stanfordnlp/corenlp to address known vulnerabilities.