PT-2022-4443 · Unknown · Node-Opcua
Sharon Brizinov
+2
·
Published
2022-08-22
·
Updated
2023-08-08
·
CVE-2022-21208
CVSS v2.0
7.8
High
| Vector | AV:N/AC:L/Au:N/C:N/I:N/A:C |
Name of the Vulnerable Software and Affected Versions
node-opcua versions prior to 2.74.0
Description
The issue is related to a missing limitation on the number of received chunks per single session or in total for all concurrent sessions, which can lead to a Denial of Service (DoS). An attacker can exploit this by sending a large number of huge chunks without sending the Final closing chunk, causing uncontrolled resource consumption. This can allow a remote attacker to cause a service disruption.
Recommendations
For versions prior to 2.74.0, update to version 2.74.0 or later to resolve the issue. As a temporary workaround, consider implementing measures to limit the number of received chunks per session or in total for all concurrent sessions to prevent uncontrolled resource consumption.
Fix
Resource Exhaustion
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Related Identifiers
Affected Products
Node-Opcua