CVE-2021-34888: 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-14841.
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-2021-34888?
CVE-2021-34888 has been classified with a moderate severity due to the potential for sensitive information disclosure.
How do I fix CVE-2021-34888?
To remediate CVE-2021-34888, update Bentley View or MicroStation to versions higher than 10.16.02.
What kind of attack vector is used in CVE-2021-34888?
CVE-2021-34888 requires user interaction, as the target must visit a malicious page or open a malicious file.
What products are affected by CVE-2021-34888?
CVE-2021-34888 affects Bentley View 10.15.0.75 and versions prior to 10.16.02 of Bentley MicroStation.
What sensitive information can be disclosed due to CVE-2021-34888?
CVE-2021-34888 can lead to the disclosure of sensitive information from the affected installations of Bentley software.
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