Vulnerability Details CVE-2021-43391
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.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.004
EPSS Ranking 62.0%
CVSS Severity
CVSS v3 Score 7.8
CVSS v2 Score 6.8
References
- https://cert-portal.siemens.com/productcert/pdf/ssa-491245.pdf
- https://www.opendesign.com/security-advisories
- https://www.zerodayinitiative.com/advisories/ZDI-21-1352/
- https://www.zerodayinitiative.com/advisories/ZDI-21-1361/
- https://cert-portal.siemens.com/productcert/pdf/ssa-491245.pdf
- https://www.opendesign.com/security-advisories
- https://www.zerodayinitiative.com/advisories/ZDI-21-1352/
- https://www.zerodayinitiative.com/advisories/ZDI-21-1361/
Products affected by CVE-2021-43391
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cpe:2.3:a:opendesign:drawings_software_development_kit:2021.11
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cpe:2.3:a:opendesign:drawings_software_development_kit:2021.12