CVE-2021-34944: Bentley View JT 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 JT 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-15052.
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-2021-34944?
CVE-2021-34944 is classified as a medium severity vulnerability due to its potential for information disclosure.
How do I fix CVE-2021-34944?
To mitigate CVE-2021-34944, users should update Bentley View to version 10.16.02 or later.
Is user interaction required to exploit CVE-2021-34944?
Yes, user interaction is required as the target must visit a malicious page or open a malicious file.
What types of software are affected by CVE-2021-34944?
CVE-2021-34944 affects Bentley View versions prior to 10.16.02 and Bentley MicroStation versions prior to 10.16.02.
What potential impact does CVE-2021-34944 have?
The impact of CVE-2021-34944 allows remote attackers to disclose sensitive information from affected installations.
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