CVE-2021-46628: Bentley View BMP File Parsing Out-Of-Bounds Read Information Disclosure Vulnerability
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-15458.
Other sources
This vulnerability allows remote attackers to disclose sensitive information on affected installations of Bentley View. 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.
— ZDI
Affected Software
Event History
Frequently Asked Questions
What is the severity of CVE-2021-46628?
CVE-2021-46628 has a medium severity rating and allows for sensitive information disclosure.
How do I fix CVE-2021-46628?
To fix CVE-2021-46628, update Bentley View to a version that is higher than 10.16.02.
What software is affected by CVE-2021-46628?
CVE-2021-46628 affects Bentley View up to version 10.16.02 and Bentley MicroStation up to version 10.16.02.
Is user interaction required to exploit CVE-2021-46628?
Yes, user interaction is required to exploit CVE-2021-46628, as the target must visit a malicious page or open a malicious file.
What kind of information could be disclosed by CVE-2021-46628?
CVE-2021-46628 could potentially disclose sensitive information present on affected installations of Bentley View.