CVE-2021-36356 Explained : Impact and Mitigation
Learn about CVE-2021-36356, a vulnerability in KRAMER VIAware allowing remote code execution. Understand the impact, technical details, affected systems, and mitigation strategies.
KRAMER VIAware through August 2021 allows remote attackers to execute arbitrary code due to a vulnerability in ajaxPages/writeBrowseFilePathAjax.php. This issue is a result of an incomplete fix for a previous CVE-2019-17124.
Understanding CVE-2021-36356
This section will cover the details surrounding CVE-2021-36356, its impact, technical description, affected systems, exploitation mechanism, and mitigation tactics.
What is CVE-2021-36356?
CVE-2021-36356 is a security vulnerability in KRAMER VIAware that enables remote attackers to run arbitrary code by exploiting a specific file handling functionality.
The Impact of CVE-2021-36356
The exploitation of this vulnerability could lead to unauthorized remote code execution on affected systems, potentially compromising sensitive data and system integrity.
Technical Details of CVE-2021-36356
In this section, we delve into the specifics of the CVE-2021-36356 vulnerability.
Vulnerability Description
The vulnerability exists in the way ajaxPages/writeBrowseFilePathAjax.php handles user input, allowing malicious actors to input arbitrary executable pathnames.
Affected Systems and Versions
KRAMER VIAware through August 2021 is affected by this vulnerability, implying that systems operating on vulnerable versions are at risk.
Exploitation Mechanism
By manipulating input in ajaxPages/writeBrowseFilePathAjax.php, threat actors can craft requests to execute arbitrary code on the target system.
Mitigation and Prevention
To secure systems against CVE-2021-36356, organizations should take immediate and long-term preventive measures.
Immediate Steps to Take
Organizations should restrict access to vulnerable components, monitor network traffic for suspicious activities, and apply security patches promptly.
Long-Term Security Practices
Implementing strong access controls, conducting regular security audits, and educating users on safe practices can enhance overall security posture.
Patching and Updates
Vendors may release patches and updates to address the vulnerability. It is crucial for organizations to apply these patches as soon as they become available to mitigate the risk of exploitation.