CVE-2020-35418 : Security Advisory and Response
Learn about CVE-2020-35418, a Cross Site Scripting (XSS) flaw in Group Office CRM 6.4.196 allowing attackers to execute malicious scripts via crafted SVG file uploads. Find mitigation steps and prevention measures.
Group Office CRM 6.4.196 is affected by a Cross Site Scripting (XSS) vulnerability when a crafted SVG file is uploaded to the contact page.
Understanding CVE-2020-35418
This CVE involves a security issue in Group Office CRM 6.4.196 that allows for XSS attacks through a manipulated SVG file upload.
What is CVE-2020-35418?
CVE-2020-35418 is a Cross Site Scripting (XSS) vulnerability found in the contact page of Group Office CRM 6.4.196, triggered by uploading a specifically crafted SVG file.
The Impact of CVE-2020-35418
The vulnerability could be exploited by an attacker to execute malicious scripts in the context of a user's browser, potentially leading to unauthorized actions or data theft.
Technical Details of CVE-2020-35418
Group Office CRM 6.4.196 is susceptible to XSS attacks due to improper handling of SVG file uploads.
Vulnerability Description
The issue arises from the lack of proper input validation on SVG file uploads, allowing attackers to inject and execute malicious scripts.
Affected Systems and Versions
- Product: Group Office CRM 6.4.196
- Vendor: N/A
- Version: N/A
Exploitation Mechanism
By uploading a specially crafted SVG file to the contact page, attackers can embed malicious scripts that get executed when the page is viewed by other users.
Mitigation and Prevention
To address CVE-2020-35418 and enhance security:
Immediate Steps to Take
- Disable file uploads in the contact page until a patch is available.
- Educate users about the risks of opening attachments or files from unknown sources.
Long-Term Security Practices
- Implement strict input validation for file uploads to prevent script injection.
- Regularly update and patch the CRM system to fix known vulnerabilities.
- Conduct security audits and penetration testing to identify and address potential weaknesses.
- Stay informed about security best practices and emerging threats.
Patching and Updates
- Check for security updates and patches from the Group Office CRM vendor to address the XSS vulnerability.