Vulnerability Description
An Out-of-Bounds Read vulnerability exists when reading a DXF file using Open Design Alliance Drawings SDK before 2022.11. The specific issue exists within the parsing of DXF files. Crafted data in a DXF file (an invalid dash counter in line types) 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 Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Opendesign | Drawings Software Development Kit | < 2022.11 |
Related Weaknesses (CWE)
References
- https://cert-portal.siemens.com/productcert/pdf/ssa-491245.pdf
- https://www.opendesign.com/security-advisoriesVendor Advisory
- https://www.zerodayinitiative.com/advisories/ZDI-21-1352/Third Party AdvisoryVDB Entry
- https://www.zerodayinitiative.com/advisories/ZDI-21-1361/Third Party AdvisoryVDB Entry
- https://cert-portal.siemens.com/productcert/pdf/ssa-491245.pdf
- https://www.opendesign.com/security-advisoriesVendor Advisory
- https://www.zerodayinitiative.com/advisories/ZDI-21-1352/Third Party AdvisoryVDB Entry
- https://www.zerodayinitiative.com/advisories/ZDI-21-1361/Third Party AdvisoryVDB Entry
FAQ
What is CVE-2021-43391?
CVE-2021-43391 is a vulnerability with a CVSS score of 7.8 (HIGH). An Out-of-Bounds Read vulnerability exists when reading a DXF file using Open Design Alliance Drawings SDK before 2022.11. The specific issue exists within the parsing of DXF files. Crafted data in a ...
How severe is CVE-2021-43391?
CVE-2021-43391 has been rated HIGH with a CVSS base score of 7.8/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2021-43391?
Check the references section above for vendor advisories and patch information. Affected products include: Opendesign Drawings Software Development Kit.