CVE-2021-34889: Bentley View 3DS File Parsing Out-Of-Bounds Read Information Disclosure Vulnerability
First published: Thu Jan 13 2022(Updated: )
This vulnerability allows remote attackers to disclose sensitive information 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 3DS files. The issue results from the lack of proper validation of user-supplied data, which can result in a read past the end of an allocated buffer. An attacker can leverage this in conjunction with other vulnerabilities to execute arbitrary code in the context of the current process. Was ZDI-CAN-14842.
Credit: zdi-disclosures@trendmicro.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Bentley View | <10.16.02 | |
| Bentley MicroStation | <10.16.02 | |
| Bentley Systems |
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Reference Links
Frequently Asked Questions
What is the severity of CVE-2021-34889?
The severity of CVE-2021-34889 is considered medium due to its potential to disclose sensitive information.
How do I fix CVE-2021-34889?
To fix CVE-2021-34889, update Bentley View to version 10.16.02 or later.
What types of installations are affected by CVE-2021-34889?
CVE-2021-34889 affects installations of Bentley View versions prior to 10.16.02 and Bentley MicroStation versions prior to 10.16.02.
Is user interaction required to exploit CVE-2021-34889?
Yes, user interaction is required to exploit CVE-2021-34889 as the target must visit a malicious page or open a malicious file.
What sensitive information can be disclosed due to CVE-2021-34889?
CVE-2021-34889 can potentially disclose sensitive user information from affected applications.
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