CVE-2021-46652: Bentley View DGN File Parsing Out-Of-Bounds Write Remote Code Execution Vulnerability
This vulnerability allows remote attackers to execute arbitrary code 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 DGN files. Crafted data in a DGN file 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-15538.
Other sources
This vulnerability allows remote attackers to execute arbitrary code 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 DGN files. Crafted data in a DGN file 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.
— ZDI
Affected Software
Event History
Frequently Asked Questions
What is CVE-2021-46652?
CVE-2021-46652 is a vulnerability in Bentley View that allows remote attackers to execute arbitrary code on affected installations.
What is the severity of CVE-2021-46652?
CVE-2021-46652 has a severity rating of 7.8, which is considered high.
How can CVE-2021-46652 be exploited?
To exploit CVE-2021-46652, the target must visit a malicious page or open a malicious file.
Is user interaction required to exploit CVE-2021-46652?
Yes, user interaction is required to exploit CVE-2021-46652.
What is the fix for CVE-2021-46652?
To fix CVE-2021-46652, users should update to a version later than 10.16.02 of Bentley View or Bentley MicroStation.