CVE-2020-8893 : Security Advisory and Response

An issue was discovered in MISP before 2.4.121. The Galaxy view contained an incorrectly sanitized search string in app/View/Galaxies/view.ctp.

Understanding CVE-2020-8893

This CVE identifies a vulnerability in MISP versions prior to 2.4.121 that affects the Galaxy view due to an incorrectly sanitized search string.

What is CVE-2020-8893?

The vulnerability in MISP before version 2.4.121 allows for potential security risks in the Galaxy view due to improper handling of search strings.

The Impact of CVE-2020-8893

This vulnerability could be exploited by an attacker to execute cross-site scripting (XSS) attacks through the Galaxy view in MISP, potentially leading to unauthorized data access or manipulation.

Technical Details of CVE-2020-8893

The technical aspects of this CVE include:

Vulnerability Description

Improperly sanitized search string in the Galaxy view of MISP

Affected Systems and Versions

Vendor: n/a
Product: n/a
Affected Versions: All versions before 2.4.121

Exploitation Mechanism

Attackers can exploit this vulnerability by injecting malicious scripts into the search string, leading to XSS attacks.

Mitigation and Prevention

To address CVE-2020-8893, follow these steps:

Immediate Steps to Take

Upgrade MISP to version 2.4.121 or later
Monitor and restrict user input to prevent malicious script injection

Long-Term Security Practices

Regularly update MISP and other software components
Conduct security audits to identify and address vulnerabilities

Patching and Updates

Apply patches and updates provided by MISP to fix the vulnerability