CVE-2021-32944

high

Description

A use-after-free issue exists in the DGN file-reading procedure in the Drawings SDK (All versions prior to 2022.4) resulting from the lack of proper validation of user-supplied data. This can result in a memory corruption or arbitrary code execution, allowing attackers to cause a denial-of-service condition or execute code in the context of the current process.

References

https://www.zerodayinitiative.com/advisories/ZDI-21-990/

https://www.zerodayinitiative.com/advisories/ZDI-21-987/

https://us-cert.cisa.gov/ics/advisories/icsa-21-159-02

https://cert-portal.siemens.com/productcert/pdf/ssa-365397.pdf

https://cert-portal.siemens.com/productcert/pdf/ssa-155599.pdf

Details

Source: Mitre, NVD

Published: 2021-06-17

Updated: 2022-04-15

Risk Information

CVSS v2

Base Score: 6.8

Vector: CVSS2#AV:N/AC:M/Au:N/C:P/I:P/A:P

Severity: Medium

CVSS v3

Base Score: 7.8

Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Severity: High