CVE-2022-25304

All versions of package opcua; all versions of package asyncua are vulnerable to Denial of Service DoS due to a missing limitation on the number of received chunks - per single session or in total for all concurrent sessions. An attacker can exploit this vulnerability by sending an unlimited numb...

CVE-2022-25304

CVE-2022-25304 affects all versions of the Python OPC-UA stack OPC-UA and asyncua. The root cause is a missing limit on the number of received chunks per session and across concurrent sessions, enabling a Denial of Service by an attacker sending unlimited large chunks (e.g., 2GB) without a final ...