CVE-2021-34944 : Exploit Details and Defense Strategies

This CVE-2021-34944 affects Bentley View version 10.15.0.75, allowing remote attackers to disclose sensitive information. User interaction is required for exploitation by visiting a malicious page or opening a malicious file. The vulnerability lies in the parsing of JT files due to improper validation of user-supplied data, leading to potential code execution.

Understanding CVE-2021-34944

CVE-2021-34944 is a vulnerability in Bentley View version 10.15.0.75 that could be exploited by remote attackers requiring user interaction for execution.

What is CVE-2021-34944?

CVE-2021-34944 enables attackers to reveal sensitive information in Bentley View 10.15.0.75 installations via malicious web pages or files, exploiting a flaw in JT file parsing.

The Impact of CVE-2021-34944

The vulnerability poses a low severity threat with the potential for disclosing confidential data through improper handling of user input, highlighting the importance of immediate mitigation steps.

Technical Details of CVE-2021-34944

The technical aspects of CVE-2021-34944 delve into the vulnerability description, affected systems and versions, as well as the exploitation mechanism.

Vulnerability Description

The flaw in Bentley View 10.15.0.75 resides in the inadequate validation of user-provided data during JT file parsing, leading to buffer overflow and potential code execution.

Affected Systems and Versions

Bentley View version 10.15.0.75 is specifically impacted by this vulnerability, requiring proactive security measures to prevent exploitation.

Exploitation Mechanism

Exploiting CVE-2021-34944 involves manipulating user input in JT files to overrun allocated buffers, allowing attackers to execute arbitrary code within the application context.

Mitigation and Prevention

Protecting systems from CVE-2021-34944 involves immediate actions and long-term security practices to ensure comprehensive defense against similar vulnerabilities.

Immediate Steps to Take

Users must avoid visiting untrusted websites or opening suspicious files to mitigate the risk of exploitation through malicious JT file manipulation.

Long-Term Security Practices

Implementing secure coding practices, regular security updates, and user awareness training can enhance overall defense against similar vulnerabilities.

Patching and Updates

Vendor patches and updates should be promptly applied to address the underlying vulnerability in Bentley View version 10.15.0.75.