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CVE-2022-27246 Explained : Impact and Mitigation

Discover the security impact of CVE-2022-27246 in MISP before 2.4.156, allowing JavaScript in SVG org logos. Learn about affected systems, exploitation risks, and mitigation steps.

An issue was discovered in MISP before 2.4.156 where an SVG org logo (which may contain JavaScript) is not forbidden by default.

Understanding CVE-2022-27246

This CVE highlights a vulnerability in MISP that could potentially allow the inclusion of JavaScript within SVG org logos.

What is CVE-2022-27246?

CVE-2022-27246 refers to a security issue in MISP that could enable the insertion of JavaScript code in SVG org logos.

The Impact of CVE-2022-27246

The vulnerability could be exploited by attackers to execute malicious scripts, compromising the security and integrity of MISP instances.

Technical Details of CVE-2022-27246

This section covers the specific technical aspects of the CVE.

Vulnerability Description

The vulnerability in MISP before version 2.4.156 allows SVG org logos to contain JavaScript code by default, presenting a potential security risk.

Affected Systems and Versions

All MISP instances running versions prior to 2.4.156 are impacted by this vulnerability.

Exploitation Mechanism

Attackers can exploit this issue by crafting malicious SVG org logos containing JavaScript code and uploading them to vulnerable MISP instances.

Mitigation and Prevention

Here are the steps to mitigate and prevent the exploitation of CVE-2022-27246.

Immediate Steps to Take

MISP administrators should update their instances to version 2.4.156 or newer to prevent the inclusion of JavaScript in SVG org logos.

Long-Term Security Practices

Implement regular security patches and updates for MISP and conduct thorough security assessments to detect and address any vulnerabilities.

Patching and Updates

Stay informed about security advisories and promptly apply patches released by MISP to ensure the protection of your systems.

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