Vulnerabilities > CVE-2021-32944 - Use After Free vulnerability in multiple products
Attack vector
LOCAL Attack complexity
LOW Privileges required
NONE Confidentiality impact
HIGH Integrity impact
HIGH Availability impact
HIGH Summary
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.
Vulnerable Configurations
Common Weakness Enumeration (CWE)
References
- https://cert-portal.siemens.com/productcert/pdf/ssa-155599.pdf
- https://cert-portal.siemens.com/productcert/pdf/ssa-155599.pdf
- https://cert-portal.siemens.com/productcert/pdf/ssa-365397.pdf
- https://cert-portal.siemens.com/productcert/pdf/ssa-365397.pdf
- https://us-cert.cisa.gov/ics/advisories/icsa-21-159-02
- https://us-cert.cisa.gov/ics/advisories/icsa-21-159-02
- https://www.zerodayinitiative.com/advisories/ZDI-21-987/
- https://www.zerodayinitiative.com/advisories/ZDI-21-987/
- https://www.zerodayinitiative.com/advisories/ZDI-21-990/
- https://www.zerodayinitiative.com/advisories/ZDI-21-990/