CVE-2021-44213 : Security Advisory and Response

OX App Suite through 7.10.5 allows XSS via uuencoding in a multipart/alternative message.

Understanding CVE-2021-44213

This CVE involves a Cross-Site Scripting (XSS) vulnerability in OX App Suite through version 7.10.5.

What is CVE-2021-44213?

CVE-2021-44213 highlights a security issue in OX App Suite that enables XSS attacks through uuencoding within a multipart/alternative message.

The Impact of CVE-2021-44213

The vulnerability allows malicious actors to execute arbitrary scripts in a victim's browser, potentially leading to account compromise, data theft, or unauthorized actions.

Technical Details of CVE-2021-44213

This section delves into the specifics of the vulnerability and its implications.

Vulnerability Description

The XSS vulnerability in OX App Suite up to version 7.10.5 occurs due to inadequate input sanitization, enabling attackers to embed malicious scripts in multipart/alternative messages.

Affected Systems and Versions

Product: OX App Suite
Versions affected: Up to 7.10.5

Exploitation Mechanism

Attackers can craft malicious multipart/alternative messages containing uuencoded scripts, which when executed, can manipulate user sessions and access sensitive data.

Mitigation and Prevention

Protecting systems from CVE-2021-44213 requires immediate actions and ongoing security measures.

Immediate Steps to Take

Upgrade OX App Suite to a patched version that addresses the XSS vulnerability.
Educate users on safe email practices to minimize the risk of interacting with malicious messages.

Long-Term Security Practices

Implement robust input validation mechanisms to prevent script injection in messages.
Regularly monitor and audit email content for suspicious or malicious patterns.

Patching and Updates

Stay informed about security updates for OX App Suite and promptly apply patches to safeguard against known vulnerabilities.