Vulnerability Monitor

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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.

Published

2021-11-14T21:15:08.310

Last Modified

2024-11-21T06:29:08.537

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 7.8 (HIGH)

CVSSv2 Vector

AV:N/AC:M/Au:N/C:P/I:P/A:P

Access Vector: NETWORK
Access Complexity: MEDIUM
Authentication: NONE
Confidentiality Impact: PARTIAL
Integrity Impact: PARTIAL
Availability Impact: PARTIAL

Exploitability Score

8.6

Impact Score

6.4

Weaknesses

Type: Primary
CWE-787

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	opendesign	drawings_software_development_kit	< 2022.11	Yes

References

https://www.opendesign.com/security-advisories Vendor Advisory ([email protected])
https://www.zerodayinitiative.com/advisories/ZDI-21-1347/ Third Party Advisory, VDB Entry ([email protected])
https://www.zerodayinitiative.com/advisories/ZDI-21-1348/ Third Party Advisory, VDB Entry ([email protected])
https://www.zerodayinitiative.com/advisories/ZDI-21-1362/ Third Party Advisory, VDB Entry ([email protected])
https://www.opendesign.com/security-advisories Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://www.zerodayinitiative.com/advisories/ZDI-21-1347/ Third Party Advisory, VDB Entry (af854a3a-2127-422b-91ae-364da2661108)
https://www.zerodayinitiative.com/advisories/ZDI-21-1348/ Third Party Advisory, VDB Entry (af854a3a-2127-422b-91ae-364da2661108)
https://www.zerodayinitiative.com/advisories/ZDI-21-1362/ Third Party Advisory, VDB Entry (af854a3a-2127-422b-91ae-364da2661108)