CVE-2021-34883 : Security Advisory and Response

A vulnerability has been identified in Bentley View version 10.15.0.75, potentially allowing remote attackers to disclose sensitive information. User interaction is required to exploit this vulnerability.

Understanding CVE-2021-34883

This CVE identifies a security flaw in Bentley View that could lead to the disclosure of sensitive information through a specific file parsing vulnerability.

What is CVE-2021-34883?

CVE-2021-34883 is a vulnerability in Bentley View 10.15.0.75 that enables remote attackers to access privileged information by exploiting a flaw in parsing J2K files. By interacting with a malicious page or file, attackers can execute arbitrary code within the current process.

The Impact of CVE-2021-34883

The vulnerability has a low base score (3.3) and a low severity level. Although it requires user interaction for exploitation, it could potentially lead to the execution of arbitrary code, posing a significant threat to affected systems.

Technical Details of CVE-2021-34883

The following technical details shed light on the nature of the vulnerability.

Vulnerability Description

The vulnerability arises from improper handling of user-supplied data during the parsing of J2K files, leading to a read past the end of an allocated buffer and possibly allowing remote code execution.

Affected Systems and Versions

Product: View
Vendor: Bentley
Version: 10.15.0.75

Exploitation Mechanism

Attackers can exploit this vulnerability by tricking users into visiting a malicious webpage or opening a malicious file, leveraging the lack of proper data validation.

Mitigation and Prevention

Proactive measures can help mitigate the risks associated with CVE-2021-34883.

Immediate Steps to Take

Users are advised to avoid visiting unfamiliar websites and refrain from opening suspicious files to minimize the risk of exploitation.

Long-Term Security Practices

Implementing robust data validation processes and security protocols can enhance overall system resilience against similar vulnerabilities.

Patching and Updates

Vendors should release security patches promptly to address the underlying vulnerability and protect users from potential attacks.