CVE-2021-46645: Bentley MicroStation CONNECT BMP File Parsing Out-Of-Bounds Write Remote Code Execution Vulnerability
First published: Fri Feb 18 2022(Updated: )
This vulnerability allows remote attackers to execute arbitrary code on affected installations of Bentley MicroStation CONNECT 10.16.0.80. 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. Crafted data in a BMP image can trigger a write past the end of an allocated buffer. An attacker can leverage this vulnerability to execute code in the context of the current process. Was ZDI-CAN-15531.
Credit: zdi-disclosures@trendmicro.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Bentley MicroStation | <10.16.02 | |
| Bentley MicroStation CONNECT | <10.16.02 | |
| Bentley View | <10.16.0.80 | |
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Reference Links
Frequently Asked Questions
What is CVE-2021-46645?
CVE-2021-46645 is a vulnerability in Bentley MicroStation CONNECT that allows remote attackers to execute arbitrary code.
How severe is CVE-2021-46645?
CVE-2021-46645 has a severity score of 7.8, which is considered high.
How does CVE-2021-46645 affect Bentley MicroStation CONNECT?
CVE-2021-46645 affects Bentley MicroStation CONNECT version up to exclusive 10.16.02.
What is the user interaction required to exploit CVE-2021-46645?
To exploit CVE-2021-46645, the target must visit a malicious page or open a malicious file.
How can I fix CVE-2021-46645?
To fix CVE-2021-46645, users should update Bentley MicroStation CONNECT to a version beyond 10.16.02.
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