Vulnerability · Published Nov 14, 2021 · Assigned by mitre
CVE-2021-43390
High 7.8
In plain English
A high-severity security flaw in the affected software. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.7% (higher than 77% of all known vulnerabilities).
Severity (CVSS NVD)7.8High
Exploit odds (30 days)1.7%top 22.8% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official 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.
Affected products (as reported)
References
- https://www.opendesign.com/security-advisories x_refsource_MISC
- https://www.zerodayinitiative.com/advisories/ZDI-21-1348/ x_refsource_MISC
- https://www.zerodayinitiative.com/advisories/ZDI-21-1347/ x_refsource_MISC
- https://www.zerodayinitiative.com/advisories/ZDI-21-1362/ x_refsource_MISC