CVE-2021-34873 : Security Advisory and Response
Learn about CVE-2021-34873, a high-severity vulnerability in Bentley View 10.15.0.75 enabling remote attackers to execute code. Understand the impact, technical details, and mitigation steps to secure affected systems.
A detailed overview of CVE-2021-34873, a vulnerability that allows remote attackers to execute arbitrary code on affected installations of Bentley View 10.15.0.75.
Understanding CVE-2021-34873
This section provides insights into the impact, technical details, and mitigation strategies related to CVE-2021-34873.
What is CVE-2021-34873?
CVE-2021-34873 is a vulnerability in Bentley View 10.15.0.75 that enables remote attackers to execute arbitrary code. The flaw lies in the parsing of PDF files, allowing attackers to trigger a buffer overflow.
The Impact of CVE-2021-34873
The vulnerability has a high severity rating with a CVSS base score of 7.8. Attackers can exploit it by tricking users into visiting malicious pages or opening malicious files, leading to code execution in the current process.
Technical Details of CVE-2021-34873
Explore the specific aspects of the vulnerability, including its description, affected systems, and exploitation mechanisms.
Vulnerability Description
The flaw in Bentley View 10.15.0.75 allows attackers to write past the end of an allocated buffer. Crafting PDF files with specific data triggers this behavior, enabling code execution in the current context.
Affected Systems and Versions
The vulnerability impacts Bentley View version 10.15.0.75. Users of this version are at risk of remote code execution if they interact with malicious PDF content.
Exploitation Mechanism
To exploit CVE-2021-34873, attackers need users to interact with crafted PDF files, which can lead to unauthorized code execution and potential compromise of the target system.
Mitigation and Prevention
Learn how to protect systems from CVE-2021-34873 through immediate response steps and long-term security practices.
Immediate Steps to Take
Users should avoid opening suspicious PDF files or visiting untrusted websites to reduce the risk of falling victim to this exploit. Implementing security updates promptly is crucial.
Long-Term Security Practices
Promote general security awareness among users to recognize phishing attempts and educate them on safe browsing practices. Regularly updating software and applying security patches is essential to safeguard against known vulnerabilities.
Patching and Updates
Bentley should release patches addressing CVE-2021-34873 to eliminate the vulnerability and protect users from potential exploitation.