CVE-2021-46647: Bentley MicroStation CONNECT BMP File Parsing Heap-based Buffer Overflow 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. The issue results from the lack of proper validation of the length of user-supplied data prior to copying it to a heap-based buffer. An attacker can leverage this vulnerability to execute code in the context of the current process. Was ZDI-CAN-15533.
Credit: zdi-disclosures@trendmicro.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Bentley MicroStation | <10.16.02 | |
| Bentley MicroStation CONNECT | <10.16.0.80 | |
| Bentley View | <10.16.02 | |
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Reference Links
Frequently Asked Questions
What is CVE-2021-46647?
CVE-2021-46647 is a vulnerability that allows remote attackers to execute arbitrary code on affected installations of Bentley MicroStation CONNECT 10.16.0.80.
How can this vulnerability be exploited?
This vulnerability can be exploited when the target visits a malicious page or opens a malicious file.
What is the severity of CVE-2021-46647?
CVE-2021-46647 has a severity rating of 7.8 (high).
Which software versions are affected by CVE-2021-46647?
Bentley MicroStation CONNECT versions up to 10.16.0.80 are affected by CVE-2021-46647.
Is user interaction required to exploit CVE-2021-46647?
Yes, user interaction is required to exploit CVE-2021-46647.
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