CVE-2021-24295 : What You Need to Know
Discover the details of CVE-2021-24295, an Unauthenticated Time-Based Blind SQL Injection vulnerability affecting Spam protection, AntiSpam, FireWall by CleanTalk plugin before version 5.153.4.
A vulnerability referred to as Time-based Blind SQL Injection in the Spam protection, AntiSpam, FireWall by CleanTalk plugin before version 5.153.4 has been identified and tracked as CVE-2021-24295.
Understanding CVE-2021-24295
This section delves into the nature of the CVE-2021-24295 vulnerability in the context of the Spam protection, AntiSpam, FireWall by CleanTalk WordPress Plugin.
What is CVE-2021-24295?
CVE-2021-24295 is an Unauthenticated Time-Based Blind SQL Injection vulnerability present in the Spam protection, AntiSpam, FireWall by CleanTalk plugin prior to version 5.153.4.
The Impact of CVE-2021-24295
The vulnerability enabled attackers to execute malicious SQL injection queries through manipulation of cookies, particularly by exploiting the User-Agent Header.
Technical Details of CVE-2021-24295
This section elaborates on the technical aspects of the CVE-2021-24295 vulnerability.
Vulnerability Description
The flaw resided in the update_log function within lib/Cleantalk/ApbctWP/Firewall/SFW.php, allowing attackers to inject a vulnerable query through the User-Agent Header.
Affected Systems and Versions
The vulnerability affects versions of the Spam protection, AntiSpam, FireWall by CleanTalk plugin that are older than 5.153.4.
Exploitation Mechanism
By manipulating cookies set by the plugin, attackers could inject malicious queries by leveraging the vulnerability in the update_log function.
Mitigation and Prevention
This section provides insights into how organizations and users can mitigate the risks associated with CVE-2021-24295.
Immediate Steps to Take
Users are advised to update the Spam protection, AntiSpam, FireWall by CleanTalk plugin to version 5.153.4 or newer to mitigate the vulnerability.
Long-Term Security Practices
Implementing secure coding practices and conducting regular security audits can help prevent such vulnerabilities in the future.
Patching and Updates
Regularly applying security patches and updates for plugins and software is crucial to protect against known vulnerabilities.