CVE Vulnerabilities

CVE-2021-40873

Double Free

Published: Nov 10, 2021 | Modified: Nov 21, 2024
CVSS 3.x
7.5
HIGH
Source:
NVD
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CVSS 2.x
5 MEDIUM
AV:N/AC:L/Au:N/C:N/I:N/A:P
RedHat/V2
RedHat/V3
Ubuntu

An issue was discovered in Softing Industrial Automation OPC UA C++ SDK before 5.66, and uaToolkit Embedded before 1.40. Remote attackers to cause a denial of service (DoS) by sending crafted messages to a client or server. The server process may crash unexpectedly because of a double free, and must be restarted.

Weakness

The product calls free() twice on the same memory address.

Affected Software

Name Vendor Start Version End Version
Datafeed_opc_suite Softing * 5.18 (excluding)
Edgeconnector Softing * 2.31 (including)
Opc Softing * 5.66 (excluding)
Secure_integration_server Softing * 1.22 (including)
Th_scope Softing 3.5 (including) *
Uagates Softing * 1.73 (excluding)
Uatoolkit_embedded Softing * 1.40 (excluding)

Potential Mitigations

References