CVE-2021-43273 Information

Description

An Out-of-bounds Read vulnerability exists in the DGN file reading procedure in Open Design Alliance Drawings SDK before 2022.11. Crafted data in a DGN file and lack of verification of input data can trigger a read past the end of an allocated buffer. An attacker can leverage this vulnerability to execute code in the context of the current process.

CVSS Vector

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N

Reference

https://www.opendesign.com/security-advisories https://www.zerodayinitiative.com/advisories/ZDI-21-1291/ https://www.zerodayinitiative.com/advisories/ZDI-21-1281/ https://www.zerodayinitiative.com/advisories/ZDI-21-1357/ https://www.zerodayinitiative.com/advisories/ZDI-21-1351/

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

REQUIRED

Confidentiality Impact

UNCHANGED

Integrity Impact

LOW

Availability Impact

NONE

Base Score

NONE

Base Severity

3.3