Vulnerability Details CVE-2021-43390
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.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.003
EPSS Ranking 53.8%
CVSS Severity
CVSS v3 Score 7.8
CVSS v2 Score 6.8
References
- https://www.opendesign.com/security-advisories
- https://www.zerodayinitiative.com/advisories/ZDI-21-1347/
- https://www.zerodayinitiative.com/advisories/ZDI-21-1348/
- https://www.zerodayinitiative.com/advisories/ZDI-21-1362/
- https://www.opendesign.com/security-advisories
- https://www.zerodayinitiative.com/advisories/ZDI-21-1347/
- https://www.zerodayinitiative.com/advisories/ZDI-21-1348/
- https://www.zerodayinitiative.com/advisories/ZDI-21-1362/
Products affected by CVE-2021-43390
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cpe:2.3:a:opendesign:drawings_software_development_kit:2021.11
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cpe:2.3:a:opendesign:drawings_software_development_kit:2021.12