CVE-2021-32946 Information

Description

An improper check for unusual or exceptional conditions issue exists within the parsing DGN files from Drawings SDK (Version 2022.4 and prior) resulting from the lack of proper validation of the user-supplied data. This may result in several of out-of-bounds problems and allow attackers to cause a denial-of-service condition or 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:H/I:H/A:H

Reference

https://us-cert.cisa.gov/ics/advisories/icsa-21-159-02 https://cert-portal.siemens.com/productcert/pdf/ssa-938030.pdf https://www.zerodayinitiative.com/advisories/ZDI-21-983/ https://www.zerodayinitiative.com/advisories/ZDI-21-985/ https://cert-portal.siemens.com/productcert/pdf/ssa-155599.pdf

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

REQUIRED

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

7.8