CVE-2021-46609: Bentley MicroStation CONNECT PDF File Parsing Use-After-Free 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 PDF files. The issue results from the lack of validating the existence of an object prior to performing operations on the object. An attacker can leverage this vulnerability to execute code in the context of the current process. Was ZDI-CAN-15403.
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-2021-46609?
CVE-2021-46609 is a vulnerability in Bentley MicroStation CONNECT that allows remote attackers to execute arbitrary code on affected installations.
How severe is CVE-2021-46609?
CVE-2021-46609 has a severity level of 7.8, which is considered high.
What software is affected by CVE-2021-46609?
Bentley MicroStation CONNECT versions up to and including 10.16.0.80 are affected.
How can CVE-2021-46609 be exploited?
To exploit CVE-2021-46609, user interaction is required, such as visiting a malicious page or opening a malicious file.
Are there any references for CVE-2021-46609?
Yes, you can find more information about CVE-2021-46609 at the following references: [link 1](https://www.bentley.com/en/common-vulnerability-exposure/BE-2021-0003) and [link 2](https://www.zerodayinitiative.com/advisories/ZDI-22-196/).
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