CVE-2021-46631: Bentley View TIF File Parsing Uninitialized Variable Remote Code Execution Vulnerability

Published Feb 18, 2022
·
Updated

This vulnerability allows remote attackers to execute arbitrary code on affected installations of Bentley View 10.15.0.75. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file. The specific flaw exists within the parsing of TIF images. The issue results from the lack of proper initialization of memory prior to accessing it. An attacker can leverage this vulnerability to execute code in the context of the current process. Was ZDI-CAN-15461.

Other sources

This vulnerability allows remote attackers to execute arbitrary code on affected installations of Bentley View. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file. The specific flaw exists within the parsing of TIF images. The issue results from the lack of proper initialization of memory prior to accessing it. An attacker can leverage this vulnerability to execute code in the context of the current process.

ZDI

Affected Software

3 affected components
Bentley View
Bentley MicroStation<10.16.02
Bentley View<10.16.02

Event History

Feb 18, 2022
CVE Published
via MITRE·07:46 PM
Data Sourced
via MITRE·07:46 PM
DescriptionSeverityWeakness
Feb 27, 2025
Advisory Published
via ZDI·05:50 PM

Frequently Asked Questions

1

What is the severity of CVE-2021-46631?

CVE-2021-46631 is rated as a high severity vulnerability due to its potential for remote code execution.

2

How do I fix CVE-2021-46631?

To fix CVE-2021-46631, upgrade Bentley View to a version higher than 10.16.02.

3

Who is affected by CVE-2021-46631?

CVE-2021-46631 affects users of Bentley View versions up to 10.16.02.

4

What type of vulnerability is CVE-2021-46631?

CVE-2021-46631 is a remote code execution vulnerability that requires user interaction.

5

What must users do to be exploited through CVE-2021-46631?

Users must visit a malicious webpage or open a malicious file for CVE-2021-46631 to be exploited.

Contact

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