CVE-2021-46618: Bentley MicroStation CONNECT PNG 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 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 PNG 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-15412.
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-2021-46618?
CVE-2021-46618 is a vulnerability in Bentley MicroStation CONNECT 10.16.0.80 that allows remote attackers to disclose sensitive information.
How can this vulnerability be exploited?
To exploit CVE-2021-46618, the target must visit a malicious page or open a malicious file.
What is the severity of CVE-2021-46618?
CVE-2021-46618 has a severity rating of medium with a score of 5.5.
Which versions of Bentley MicroStation CONNECT are affected by CVE-2021-46618?
Bentley MicroStation CONNECT versions up to and including 10.16.0.80 are affected by CVE-2021-46618.
How can I get more information about CVE-2021-46618?
You can find more information about CVE-2021-46618 at the following references: [Bentley](https://www.bentley.com/en/common-vulnerability-exposure/BE-2021-0013) and [Zero Day Initiative](https://www.zerodayinitiative.com/advisories/ZDI-22-205/).
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