Description (CNA)
The Snap7 server component in version 1.4.1, when an attacker sends a crafted packet with COTP protocol the last-data-unit flag set to No and S7 writes a var function, the Snap7 server will be crashed.
Affected (CNA)
| Vendor / product | Versions |
|---|---|
| n/a / n/a | affected n/a |
CWE
No CWE identifiers supplied.
References
- https://sourceforge.net/p/snap7/discussion/bugfix/thread/456d76fdde/
- https://sourceforge.net/projects/snap7/
ADP enrichment
No English description supplied.