CVE-2021-34902: Bentley View DWG 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 DWG 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 object. An attacker can leverage this in conjunction with other vulnerabilities to execute arbitrary code in the context of the current process. Was ZDI-CAN-14875.
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-2021-34902?
CVE-2021-34902 has been rated as a medium severity vulnerability due to its impact on sensitive information disclosure.
How do I fix CVE-2021-34902?
To mitigate CVE-2021-34902, users should upgrade to Bentley View version 10.16.02 or later.
What software is affected by CVE-2021-34902?
CVE-2021-34902 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-2021-34902?
Yes, user interaction is required to exploit CVE-2021-34902 as the target must visit a malicious page or open a malicious file.
What type of information can be disclosed by exploiting CVE-2021-34902?
Exploiting CVE-2021-34902 allows remote attackers to disclose sensitive information from affected installations.
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