CVE-2021-27488 : Security Advisory and Response

Datakit Software libraries CatiaV5_3dRead, CatiaV6_3dRead, Step3dRead, Ug3dReadPsr, Jt3dReadPsr modules in KeyShot Versions v10.1 and prior have a vulnerability that allows attackers to execute code in the current process due to improper data validation.

Understanding CVE-2021-27488

This CVE identifies a security flaw in Datakit Software libraries embedded in Luxion KeyShot software.

What is CVE-2021-27488?

The vulnerability lies in the lack of proper validation of user-supplied data when parsing CATPart files, leading to an out-of-bounds write past the end of an allocated structure.

The Impact of CVE-2021-27488

Exploitation of this vulnerability could enable an attacker to execute malicious code within the context of the affected process.

Technical Details of CVE-2021-27488

The following technical aspects of the CVE provide more insight into the nature of the vulnerability:

Vulnerability Description

Datakit Software libraries within Luxion KeyShot software versions v10.1 and earlier fail to adequately validate user input, allowing potential out-of-bounds write access beyond the intended structure.

Affected Systems and Versions

KeyShot Versions v10.1 and prior with CatiaV5_3dRead, CatiaV6_3dRead, Step3dRead, Ug3dReadPsr, Jt3dReadPsr modules are impacted by this vulnerability.

Exploitation Mechanism

By exploiting the lack of data validation, threat actors can abuse this flaw to execute arbitrary code in the target application's context.

Mitigation and Prevention

To address CVE-2021-27488, the following steps are recommended:

Immediate Steps to Take

Update KeyShot software to the latest version that includes a patch for this vulnerability.
Monitor for any unusual activities or unauthorized access to the system.

Long-Term Security Practices

Regularly update and patch all software to prevent known vulnerabilities from being exploited.
Conduct security assessments and penetration testing to identify and address any weaknesses in the system.

Patching and Updates

Stay informed about security advisories and patches released by Luxion KeyShot to promptly address any security issues.