CVE-2021-25173 Information

Description

An issue was discovered in Open Design Alliance Drawings SDK before 2021.12. A memory allocation with excessive size vulnerability exists when reading malformed DGN files which allows attackers to cause a crash potentially enabling denial of service (crash exit or restart).

CVSS Vector

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

Reference

https://www.opendesign.com/security-advisories https://cert-portal.siemens.com/productcert/pdf/ssa-663999.pdf https://www.zerodayinitiative.com/advisories/ZDI-21-225/ 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