CVE-2021-46629: Bentley View BMP File Parsing Out-Of-Bounds Read Information Disclosure Vulnerability
First published: Fri Feb 18 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 BMP images. 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-15459.
Credit: zdi-disclosures@trendmicro.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Bentley Systems | ||
| Bentley MicroStation | <10.16.02 | |
| Bentley Systems | <10.16.02 |
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Reference Links
Frequently Asked Questions
What is the severity of CVE-2021-46629?
The severity of CVE-2021-46629 is classified as moderate.
How do I fix CVE-2021-46629?
To fix CVE-2021-46629, update Bentley View to a version later than 10.16.02.
What systems are affected by CVE-2021-46629?
CVE-2021-46629 affects Bentley View versions before 10.16.02 and Bentley MicroStation versions before 10.16.02.
Is user interaction required to exploit CVE-2021-46629?
Yes, user interaction is required for CVE-2021-46629 as the target must visit a malicious page or open a malicious file.
What type of information can be disclosed due to CVE-2021-46629?
CVE-2021-46629 allows remote attackers to disclose sensitive information from affected installations.
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