CVE-2021-32946
Siemens JT2Go DGN File Parsing Heap-based Buffer Overflow Remote Code Execution Vulnerability
Severity Score
Exploit Likelihood
Affected Versions
Public Exploits
0Exploited in Wild
-Decision
Descriptions
An improper check for unusual or exceptional conditions issue exists within the parsing DGN files from Drawings SDK (Version 2022.4 and prior) resulting from the lack of proper validation of the user-supplied data. This may result in several of out-of-bounds problems and allow attackers to cause a denial-of-service condition or execute code in the context of the current process.
Se presenta un problema de comprobación inapropiada de condiciones inusuales o excepcionales en el análisis de archivos DGN de Drawings SDK (Versiones 2022.4 y anteriores) resultando en una falta de comprobación apropiada de los datos suministrados por el usuario. Esto puede resultar en varios problemas fuera de límites y permitir a atacantes causar una condición de denegación de servicio o ejecutar código en el contexto del proceso actual
This vulnerability allows remote attackers to execute arbitrary code on affected installations of Siemens JT2Go. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file.
The specific flaw exists within the parsing of DGN files. The issue results from the lack of proper validation of the length of user-supplied data prior to copying it to a fixed-length heap-based buffer. An attacker can leverage this vulnerability to execute code in the context of the current process.
CVSS Scores
SSVC
- Decision:-
Timeline
- 2021-05-13 CVE Reserved
- 2021-06-17 CVE Published
- 2024-03-02 EPSS Updated
- 2024-08-03 CVE Updated
- ---------- Exploited in Wild
- ---------- KEV Due Date
- ---------- First Exploit
CWE
- CWE-754: Improper Check for Unusual or Exceptional Conditions
CAPEC
References (5)
| URL | Tag | Source |
|---|---|---|
| https://cert-portal.siemens.com/productcert/pdf/ssa-938030.pdf | Third Party Advisory |
|
| https://us-cert.cisa.gov/ics/advisories/icsa-21-159-02 | Third Party Advisory | |
| https://www.zerodayinitiative.com/advisories/ZDI-21-983 | Third Party Advisory |
|
| https://www.zerodayinitiative.com/advisories/ZDI-21-985 | Third Party Advisory |
|
| URL | Date | SRC |
|---|
| URL | Date | SRC |
|---|---|---|
| https://cert-portal.siemens.com/productcert/pdf/ssa-155599.pdf | 2022-04-15 |
| URL | Date | SRC |
|---|
Affected Vendors, Products, and Versions
| Vendor | Product | Version | Other | Status | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Vendor | Product | Version | Other | Status | <-- --> | Vendor | Product | Version | Other | Status |
| Opendesign Search vendor "Opendesign" | Drawings Sdk Search vendor "Opendesign" for product "Drawings Sdk" | <= 2022.4 Search vendor "Opendesign" for product "Drawings Sdk" and version " <= 2022.4" | - |
Affected
| ||||||
| Siemens Search vendor "Siemens" | Comos Search vendor "Siemens" for product "Comos" | < 10.4.1 Search vendor "Siemens" for product "Comos" and version " < 10.4.1" | - |
Affected
| ||||||
| Siemens Search vendor "Siemens" | Jt2go Search vendor "Siemens" for product "Jt2go" | < 13.2.0.2 Search vendor "Siemens" for product "Jt2go" and version " < 13.2.0.2" | - |
Affected
| ||||||
| Siemens Search vendor "Siemens" | Teamcenter Visualization Search vendor "Siemens" for product "Teamcenter Visualization" | < 13.2.0.2 Search vendor "Siemens" for product "Teamcenter Visualization" and version " < 13.2.0.2" | - |
Affected
| ||||||