CVE-2021-34915 : What You Need to Know

This CVE-2021-34915 article provides an overview of a critical vulnerability found in Bentley View version 10.15.0.75. It explains the impact of the vulnerability, technical details, and mitigation strategies.

Understanding CVE-2021-34915:

In CVE-2021-34915, remote attackers can execute arbitrary code on affected Bentley View installations.

What is CVE-2021-34915?

CVE-2021-34915 is a high-severity vulnerability in Bentley View 10.15.0.75 allowing attackers to execute code by exploiting a flaw in J2K files parsing.

The Impact of CVE-2021-34915

The vulnerability has a CVSS base score of 7.8 (High severity) with high impacts on confidentiality, integrity, and availability. User interaction is required for exploitation.

Technical Details of CVE-2021-34915:

The vulnerability stems from out-of-bounds write (CWE-787) in the J2K file parser.

Vulnerability Description

Crafted data in a J2K file can trigger a buffer overflow, leading to arbitrary code execution in the context of the current process.

Affected Systems and Versions

Bentley View version 10.15.0.75 is affected by this vulnerability.

Exploitation Mechanism

Attackers can exploit the vulnerability by luring targets to visit a malicious page or open a corrupted file.

Mitigation and Prevention:

To safeguard systems from CVE-2021-34915, immediate actions and long-term security practices should be implemented.

Immediate Steps to Take

Users should refrain from opening untrusted files or visiting suspicious websites to avoid exploitation.

Long-Term Security Practices

Regularly update Bentley View to the latest version, educate users on safe browsing habits, and deploy security solutions.

Patching and Updates

Ensure timely patching of Bentley View and stay informed about security advisories from Bentley and security researchers.