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.
Vulnerability category: Execute code
Products affected by CVE-2021-43391
- cpe:2.3:a:opendesign:drawings_software_development_kit:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2021-43391
0.44%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 62 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2021-43391
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
6.8
|
MEDIUM | AV:N/AC:M/Au:N/C:P/I:P/A:P |
8.6
|
6.4
|
NIST | |
|
7.8
|
HIGH | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
1.8
|
5.9
|
NIST |
CWE ids for CVE-2021-43391
-
The product reads data past the end, or before the beginning, of the intended buffer.Assigned by: nvd@nist.gov (Primary)
References for CVE-2021-43391
-
https://cert-portal.siemens.com/productcert/pdf/ssa-491245.pdf
-
https://www.opendesign.com/security-advisories
ODA Security Advisories | Open Design AllianceVendor Advisory
-
https://www.zerodayinitiative.com/advisories/ZDI-21-1361/
ZDI-21-1361 | Zero Day InitiativeThird Party Advisory;VDB Entry
-
https://www.zerodayinitiative.com/advisories/ZDI-21-1352/
ZDI-21-1352 | Zero Day InitiativeThird Party Advisory;VDB Entry
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