CVE-2022-21170 : What You Need to Know
Learn about CVE-2022-21170, an improper certificate revocation check vulnerability in i-FILTER, allowing remote attackers to carry out man-in-the-middle attacks and eavesdrop on encrypted communication channels. Find mitigation steps and preventive measures here.
This article provides detailed information about CVE-2022-21170, which involves an improper check for certificate revocation in i-FILTER, i-FILTER Browser & Cloud MultiAgent for Windows, and D-SPA using i-FILTER, potentially allowing a remote attacker to perform a man-in-the-middle attack.
Understanding CVE-2022-21170
This section covers the essential details related to CVE-2022-21170.
What is CVE-2022-21170?
The CVE-2022-21170 vulnerability is caused by an improper check for certificate revocation in various versions of i-FILTER, i-FILTER Browser & Cloud MultiAgent for Windows, and D-SPA using i-FILTER, enabling a remote unauthenticated attacker to intercept encrypted communication through a man-in-the-middle attack.
The Impact of CVE-2022-21170
The impact of CVE-2022-21170 includes the risk of unauthorized eavesdropping on secure communication channels due to the lack of proper certificate validation.
Technical Details of CVE-2022-21170
This section delves into the technical aspects of CVE-2022-21170.
Vulnerability Description
The vulnerability arises from the failure to adequately verify the revocation status of certificates in the affected products, leading to a security gap exploitable by malicious actors.
Affected Systems and Versions
The CVE-2022-21170 affects i-FILTER versions 10.45R01 and earlier, i-FILTER Ver.9.50R10 and earlier, i-FILTER Browser & Cloud MultiAgent for Windows Ver.4.93R04 and earlier, and D-SPA (Ver.3 / Ver.4) utilizing i-FILTER.
Exploitation Mechanism
By leveraging the improper certificate revocation check, a remote unauthenticated attacker can conduct man-in-the-middle attacks to intercept and monitor encrypted communications.
Mitigation and Prevention
This section outlines the steps to mitigate and prevent exploitation of CVE-2022-21170.
Immediate Steps to Take
Immediate actions include applying security patches, updating to the latest versions, and monitoring network traffic for any signs of unauthorized access.
Long-Term Security Practices
Long-term security practices involve regularly updating security protocols, conducting security audits, and educating users on safe communication practices.
Patching and Updates
It is crucial to promptly install vendor-supplied patches, implement recommended security configurations, and stay informed about any further developments regarding CVE-2022-21170.