CVE-2021-34898 : Security Advisory and Response
Learn about CVE-2021-34898, a critical vulnerability allowing remote code execution in Bentley View 10.15.0.75. Understand the impact, technical details, and mitigation steps.
A critical vulnerability has been identified in Bentley View version 10.15.0.75, allowing remote attackers to execute arbitrary code. User interaction is required for exploitation.
Understanding CVE-2021-34898
This CVE involves a flaw in the parsing of JT files in Bentley View version 10.15.0.75, which can be exploited by attackers to trigger a buffer overflow and execute malicious code.
What is CVE-2021-34898?
CVE-2021-34898 is a high-severity vulnerability in Bentley View 10.15.0.75 that enables remote attackers to run arbitrary code by crafting malicious JT files.
The Impact of CVE-2021-34898
The impact of this vulnerability is high, with remote attackers being able to exploit it to execute code in the context of the current process, posing significant risks to confidentiality, integrity, and availability.
Technical Details of CVE-2021-34898
This section provides detailed technical insights into the vulnerability.
Vulnerability Description
The vulnerability allows remote attackers to trigger a write past the end of an allocated buffer, leading to the execution of arbitrary code in Bentley View 10.15.0.75.
Affected Systems and Versions
Bentley View version 10.15.0.75 is affected by this vulnerability, requiring user interaction such as visiting a malicious page or opening a compromised file.
Exploitation Mechanism
The flaw resides in the parsing of crafted JT files, where malicious data can exceed buffer boundaries, enabling attackers to exploit the vulnerability.
Mitigation and Prevention
Protecting against CVE-2021-34898 involves immediate steps and long-term security measures.
Immediate Steps to Take
Users should avoid visiting suspicious websites and refrain from opening untrusted files in Bentley View 10.15.0.75 to mitigate the risk of exploitation.
Long-Term Security Practices
Implementing robust cybersecurity practices, such as regular software updates, security patches, and employee awareness training, can enhance overall security posture.
Patching and Updates
Users are advised to apply vendor-released patches promptly to address the vulnerability in Bentley View 10.15.0.75 and enhance system security.