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
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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

NameVendorStart VersionEnd Version
Datafeed_opc_suiteSofting*5.18 (excluding)
EdgeconnectorSofting*2.31 (including)
OpcSofting*5.66 (excluding)
Secure_integration_serverSofting*1.22 (including)
Th_scopeSofting3.5 (including)*
UagatesSofting*1.73 (excluding)
Uatoolkit_embeddedSofting*1.40 (excluding)

Potential Mitigations

References