CVE-2019-18223 : Security Advisory and Response

Zoom International Call Recording version 6.3.1 has authenticated stored XSS vulnerabilities that can be exploited through various fields.

Understanding CVE-2019-18223

This CVE involves multiple authenticated stored XSS vulnerabilities in ZOOM International Call Recording version 6.3.1.

What is CVE-2019-18223?

The version 6.3.1 of ZOOM International Call Recording has several authenticated stored XSS vulnerabilities that can be exploited through specific fields in different forms.

The Impact of CVE-2019-18223

These vulnerabilities allow attackers to execute malicious scripts within the application, potentially leading to unauthorized actions or data theft.

Technical Details of CVE-2019-18223

Zoom International Call Recording version 6.3.1 is affected by multiple authenticated stored XSS vulnerabilities.

Vulnerability Description

The vulnerabilities can be exploited through various fields in different forms within the application, such as the phoneNumber field in User Edit or User Add forms.

Affected Systems and Versions

Product: ZOOM International Call Recording
Version: 6.3.1

Exploitation Mechanism

Attackers can exploit these vulnerabilities by injecting malicious scripts into specific fields like phoneNumber, name, number, tagKey, tagValue, txt_69735:/VemailAddress/value, or txt_75767:/VemailFrom/value.

Mitigation and Prevention

It is crucial to take immediate steps to address and prevent the exploitation of CVE-2019-18223.

Immediate Steps to Take

Disable affected features or forms if possible until a patch is available.
Regularly monitor for any suspicious activities or unauthorized access.
Educate users about the risks and potential phishing attempts.

Long-Term Security Practices

Implement input validation mechanisms to sanitize user inputs effectively.
Conduct regular security audits and penetration testing to identify and address vulnerabilities.

Patching and Updates

Apply security patches provided by the vendor promptly to mitigate the vulnerabilities and enhance the application's security.