CVE-2021-34897 : Vulnerability Insights and Analysis
Learn about CVE-2021-34897 affecting Bentley View 10.15.0.75, allowing remote code execution via crafted DGN files. Find mitigation steps and preventive measures.
This CVE-2021-34897 article provides detailed information about a vulnerability affecting Bentley View 10.15.0.75, allowing remote attackers to execute arbitrary code through crafted DGN files.
Understanding CVE-2021-34897
This section explains the impact, technical details, and mitigation steps related to CVE-2021-34897.
What is CVE-2021-34897?
CVE-2021-34897 is a vulnerability in Bentley View 10.15.0.75 that enables remote attackers to execute arbitrary code by exploiting flaws in DGN file parsing, triggering buffer overflow.
The Impact of CVE-2021-34897
The vulnerability poses a high-risk threat with a CVSS base score of 7.8, impacting confidentiality, integrity, and availability. Attackers can execute code within the current process.
Technical Details of CVE-2021-34897
This section dives into the vulnerability description, affected systems, versions, and how the exploitation mechanism works.
Vulnerability Description
The flaw allows attackers to craft malicious data in DGN files, leading to buffer overflow and code execution within the process.
Affected Systems and Versions
Bentley View 10.15.0.75 is affected by this vulnerability, and users must be cautious while interacting with DGN files to avoid exploitation.
Exploitation Mechanism
User interaction is necessary for exploiting this vulnerability, requiring the target to engage with a malicious page or file to trigger the code execution.
Mitigation and Prevention
This section outlines immediate steps to take and long-term security practices to mitigate the risks associated with CVE-2021-34897.
Immediate Steps to Take
Users should avoid interacting with unknown or untrusted DGN files to prevent exploitation. Implementing security measures is crucial.
Long-Term Security Practices
Regularly update Bentley View to the latest version, apply patches promptly, and conduct security training to enhance awareness of file handling best practices.
Patching and Updates
Stay informed about security advisories from Bentley and ensure timely installation of patches to address vulnerabilities and improve system security.