CVE-2021-40842 : Vulnerability Insights and Analysis

Proofpoint Insider Threat Management Server contains a SQL injection vulnerability in the Web Console due to improper input validation on the database name parameter in unauthenticated APIs.

Understanding CVE-2021-40842

Proofpoint Insider Threat Management Server is susceptible to blind execution of arbitrary SQL statements through a crafted malicious URL.

What is CVE-2021-40842?

The SQL injection vulnerability in Proofpoint Insider Threat Management Server allows for the execution of arbitrary SQL statements on the backend database, affecting versions 7.12.0 and all versions prior to 7.11.2.

The Impact of CVE-2021-40842

This vulnerability could be exploited by a remote attacker to gain unauthorized access to sensitive information, manipulate the database, and disrupt the server's operations.

Technical Details of CVE-2021-40842

Proofpoint Insider Threat Management Server's vulnerability can be described in the following technical aspects:

Vulnerability Description

Improper input validation on the database name parameter in unauthenticated APIs

Affected Systems and Versions

Affected Version: 7.12.0
All versions prior to 7.11.2 are vulnerable

Exploitation Mechanism

Malicious URL crafted to execute arbitrary SQL statements on the backend database

Mitigation and Prevention

If you are using Proofpoint Insider Threat Management Server, consider the following security practices:

Immediate Steps to Take

to address the CVE-2021-40842 issue:

Apply security patches provided by Proofpoint promptly
Implement network-level controls to restrict access
Regularly monitor and audit database activities

Long-Term Security Practices

Conduct regular security assessments and penetration testing
Educate users on safe browsing practices and potential threats
Keep software and systems updated with the latest security patches
Implement strong authentication mechanisms to control access to the server
Consider using web application firewalls for an added layer of protection
Monitor and log web traffic for any unusual patterns

Patching and Updates

Update Proofpoint Insider Threat Management Server to version 7.12.1 or the latest available version to mitigate the SQL injection vulnerability