CVE-2021-27494 : Exploit Details and Defense Strategies
Learn about CVE-2021-27494, a critical vulnerability in Luxion KeyShot software versions earlier than v10.1 allowing attackers to execute arbitrary code. Find out how to mitigate this stack-based buffer overflow.
Datakit Software libraries embedded in Luxion KeyShot software versions prior to v10.1 are prone to a stack-based buffer overflow due to improper validation of user-supplied data when parsing STP files. This could allow an attacker to execute arbitrary code within the current process.
Understanding CVE-2021-27494
This CVE highlights a critical vulnerability in the Datakit Software libraries utilized within Luxion KeyShot software versions earlier than v10.1.
What is CVE-2021-27494?
CVE-2021-27494 pertains to a stack-based buffer overflow vulnerability in certain modules of KeyShot due to improper validation of user-supplied data.
The Impact of CVE-2021-27494
The vulnerability can be exploited by a malicious actor to trigger a buffer overflow, potentially enabling the execution of arbitrary code in the context of the affected process.
Technical Details of CVE-2021-27494
This section delves into the specific technical aspects of the CVE.
Vulnerability Description
The issue arises from a lack of adequate validation of user input within the CatiaV5_3dRead, CatiaV6_3dRead, Step3dRead, Ug3dReadPsr, and Jt3dReadPsr modules of KeyShot versions v10.1 and earlier.
Affected Systems and Versions
Luxion KeyShot software versions prior to v10.1 are impacted by this vulnerability, specifically in the mentioned modules.
Exploitation Mechanism
An attacker can exploit this flaw by supplying malicious data through STP files, leading to a stack-based buffer overflow and potential code execution.
Mitigation and Prevention
It's crucial to take immediate steps to address and prevent exploitation of this vulnerability.
Immediate Steps to Take
Users should update Luxion KeyShot software to version 10.1 or later to mitigate the risk of exploitation.
Long-Term Security Practices
Implementing secure coding practices and regularly updating software can help prevent similar vulnerabilities in the future.
Patching and Updates
Keep systems up to date with the latest patches and security updates to ensure protection against known vulnerabilities.