CVE-2021-34928 : Security Advisory and Response
Learn about CVE-2021-34928, a high-severity vulnerability in Bentley View 10.15.0.75 that allows remote code execution. Understand its impact, affected systems, and mitigation steps.
A detailed overview of CVE-2021-34928, a vulnerability in Bentley View 10.15.0.75 that allows remote code execution.
Understanding CVE-2021-34928
This section provides an in-depth analysis of the vulnerability and its impact.
What is CVE-2021-34928?
CVE-2021-34928 is a vulnerability that enables remote attackers to execute arbitrary code on affected installations of Bentley View 10.15.0.75. The flaw is related to the parsing of JT files, allowing attackers to trigger code execution by exploiting a buffer overflow.
The Impact of CVE-2021-34928
The vulnerability has a high severity level, with a CVSS base score of 7.8. Attackers can exploit this issue without any prior privileges, leading to high impacts on confidentiality, integrity, and availability.
Technical Details of CVE-2021-34928
This section dives into the technical aspects of the vulnerability.
Vulnerability Description
The vulnerability arises from an out-of-bounds write issue in the parsing of JT files within Bentley View. By crafting malicious data in a JT file, attackers can overwrite memory buffers and execute arbitrary code.
Affected Systems and Versions
Bentley View version 10.15.0.75 is affected by this vulnerability.
Exploitation Mechanism
User interaction is required for exploitation, where the victim needs to access a malicious webpage or open a corrupted file, triggering the vulnerability.
Mitigation and Prevention
Learn about the steps to mitigate the risks associated with CVE-2021-34928.
Immediate Steps to Take
Users are advised to refrain from visiting untrusted websites or opening suspicious files to prevent exploitation. Updating to a patched version of Bentley View is crucial.
Long-Term Security Practices
Regularly update software, employ network-level security measures, and educate users on safe browsing practices to enhance overall security posture.
Patching and Updates
Bentley has released patches to address CVE-2021-34928. Ensure all installations of Bentley View are updated to the latest secure version.