CVE-2021-43390: Open Design Alliance (ODA) ODAViewer DGN File Parsing Out-Of-Bounds Write Remote Code Execution Vulnerability
An Out-of-Bounds Write vulnerability exists when reading a DGN file using Open Design Alliance Drawings SDK before 2022.11. The specific issue exists within the parsing of DGN files. Crafted data in a DGN file and lack of proper validation of input data can trigger a write operation past the end of an allocated buffer. An attacker can leverage this vulnerability to execute code in the context of the current process.
Other sources
This vulnerability allows remote attackers to execute arbitrary code on affected installations of Open Design Alliance (ODA) Drawings Explorer. 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
This vulnerability allows remote attackers to execute arbitrary code on affected installations of Open Design Alliance (ODA) ODAViewer. 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 the vulnerability ID of this Open Design Alliance (ODA) vulnerability?
The vulnerability ID of this Open Design Alliance (ODA) vulnerability is CVE-2021-43390.
What is the severity of CVE-2021-43390?
The severity of CVE-2021-43390 is high with a CVSS score of 7.8.
Which software installations are affected by CVE-2021-43390?
This vulnerability affects Open Design Alliance (ODA) Drawings Explorer and ODAViewer installations.
How can an attacker exploit CVE-2021-43390?
An attacker can exploit CVE-2021-43390 by tricking a user into visiting a malicious page or opening a malicious file.
Are there any references or advisories related to CVE-2021-43390?
Yes, you can find references and advisories related to CVE-2021-43390 at the following links: [link1](https://www.opendesign.com/security-advisories), [link2](https://www.zerodayinitiative.com/advisories/ZDI-21-1347/), [link3](https://www.zerodayinitiative.com/advisories/ZDI-21-1348/).