CVE-2021-46629 : Exploit Details and Defense Strategies

A vulnerability in Bentley View 10.15.0.75 allows remote attackers to disclose sensitive information. User interaction is required to exploit this flaw.

Understanding CVE-2021-46629

This CVE involves a vulnerability that could lead to disclosing sensitive information on affected installations of Bentley View 10.15.0.75.

What is CVE-2021-46629?

The vulnerability allows remote attackers to disclose sensitive information by exploiting a flaw in the parsing of BMP images.
User interaction is necessary, requiring the target to visit a malicious page or open a malicious file.

The Impact of CVE-2021-46629

CVSS Score: 3.3 (Low)
Attack Vector: Local
User Interaction: Required
This vulnerability could result in a read past the end of an allocated buffer, potentially allowing an attacker to execute arbitrary code.

Technical Details of CVE-2021-46629

This section provides specific technical details about the vulnerability.

Vulnerability Description

The flaw originates from the lack of proper validation of user-supplied data.
Attackers can exploit this vulnerability in combination with other weaknesses to execute arbitrary code.

Affected Systems and Versions

Affected Product: Bentley View
Affected Version: 10.15.0.75

Exploitation Mechanism

Attackers can trigger the vulnerability by manipulating BMP images, leading to a read overflow and potential code execution.

Mitigation and Prevention

Measures to address and prevent the exploitation of CVE-2021-46629.

Immediate Steps to Take

Update Bentley View to a patched version.
Avoid visiting suspicious or untrusted websites.
Refrain from opening files from unknown sources.

Long-Term Security Practices

Regularly update software and systems to patch known vulnerabilities.
Educate users about safe browsing habits and file handling procedures.

Patching and Updates

Ensure timely installation of security patches provided by Bentley to fix the vulnerability.