CVE-2021-43390: opendesign drawings_software_development_kit Out-of-bounds Write

Vulnerability summary

CVE-2021-43390 is a high (CVSS 7.8) Out-of-bounds Write vulnerability in opendesign drawings_software_development_kit. EPSS estimates a 1.70% chance of exploitation in the next 30 days, higher than 76.7% of scored vulnerabilities.

Timeline

1. 14-11-2021
   PublishedVulnerability first disclosed.
2. 04-08-2024
   Last modifiedVulnerability information updated.

Description

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.

• CWE-787Out-of-bounds WriteThe product writes data past the end, or before the beginning, of the intended buffer.