Softing OPC-UA C++ SDK Improper Restriction of Operations within the Bounds of a Memory Buffer
CVE-2021-32994

7.5HIGH

Key Information:

Vendor

Softing

Status
Opc Ua C++ Sdk (software Development Kit)
Vendor
CVE Published:
4 April 2022

What is CVE-2021-32994?

Softing OPC UA C++ SDK (Software Development Kit) versions from 5.59 to 5.64 exported library functions don't properly validate received extension objects, which may allow an attacker to crash the software by sending a variety of specially crafted packets to access several unexpected memory locations.

Affected Version(s)

OPC UA C++ SDK (Software Development Kit) 5.59 < 5.64

References

https://www.cisa.gov/uscert/ics/advisories/icsa-21-168-02
x_refsource_CONFIRM

CVSS V3.1

Score:
7.5
Severity:
HIGH
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Eran Jacob of OTORIO reported this vulnerability to CISA.
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