An issue has been discovered on the Belden Hirschmann Tofino Xenon Security Appliance before 03.2.00. Improper handling of the mbap.length field of ModBus packets in the ModBus DPI filter allows an attacker to send malformed/crafted packets to a protected asset, bypassing function code filtering.
Se ha descubierto un problema en las versiones anteriores a la 03.2.00 de Belden Hirschmann Tofino Xenon Security Appliance. La manipulación incorrecta del campo mbap.length de paquetes ModBus en el filtro ModBus DPI permite que un atacante envíe paquetes mal formados/manipulados a un activo protegido, omitiendo el filtrado de códigos de función.
AV:N/AC:L/Au:N/C:P/I:P/A:P
| Access Vector | NETWORK |
|---|---|
| Access Complexity | LOW |
| Authentication | NONE |
| Confidentiality Impact | PARTIAL |
| Integrity Impact | PARTIAL |
| Availability Impact | PARTIAL |
| Source | Type | Description |
|---|---|---|
| [email protected] | Primary |
en
NVD-CWE-noinfo
|
| Vendor | Product | Version | Update | Type |
|---|---|---|---|---|
| belden | tofino_xenon_security_appliance_firmware | * | <built-in method update of dict object at 0x72a9b0db5e40> | Operating System |
| Vulnerable | CPE |
|---|---|
| Yes | cpe:2.3:o:belden:tofino_xenon_security_appliance_firmware:*:*:*:*:*:*:*:* |
| Vulnerable | CPE |
|---|---|
| No | cpe:2.3:h:belden:tofino_xenon_security_appliance:-:*:*:*:*:*:*:* |