A vulnerability exists in the HCI IEC 60870-5-104 that affects the RTU500 series product versions listed below. Incomplete or wrong received APDU frame layout may cause blocking on link layer. Error reason was an endless blocking when reading incoming frames on link layer with wrong length information of APDU or delayed reception of data octets. Only communication link of affected HCI IEC 60870-5-104 is blocked. If attack sequence stops the communication to the previously attacked link gets normal again.
History

No history.

cve-icon MITRE

Status: PUBLISHED

Assigner: Hitachi Energy

Published: 2023-12-04T14:33:47.898Z

Updated: 2024-08-02T08:07:32.849Z

Reserved: 2023-10-25T15:24:39.183Z

Link: CVE-2023-5768

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Analyzed

Published: 2023-12-04T15:15:07.793

Modified: 2023-12-07T21:02:40.177

Link: CVE-2023-5768

cve-icon Redhat

No data.