CVE-2023-39479 — HIGH (8.8)

Vulnerability Description

Softing Secure Integration Server OPC UA Gateway Directory Creation Vulnerability. This vulnerability allows remote attackers to create directories on affected installations of Softing Secure Integration Server. Although authentication is required to exploit this vulnerability, the existing authentication mechanism can be bypassed. The specific flaw exists within the handling of FileDirectory OPC UA Objects. The issue results from allowing unauthorized access to the filesystem. An attacker can leverage this in conjunction with other vulnerabilities to execute arbitrary code in the context of root. Was ZDI-CAN-20548.

CVSS Score

8.8

HIGH

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

HIGH

Affected Products

Vendor	Product	Versions
Softing	Secure Integration Server	1.22.0.8686

Related Weaknesses (CWE)

CWE-552

References

https://www.zerodayinitiative.com/advisories/ZDI-23-1061/Third Party Advisory
https://www.zerodayinitiative.com/advisories/ZDI-23-1061/Third Party Advisory

FAQ

What is CVE-2023-39479?

CVE-2023-39479 is a vulnerability with a CVSS score of 8.8 (HIGH). Softing Secure Integration Server OPC UA Gateway Directory Creation Vulnerability. This vulnerability allows remote attackers to create directories on affected installations of Softing Secure Integrat...

How severe is CVE-2023-39479?

CVE-2023-39479 has been rated HIGH with a CVSS base score of 8.8/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2023-39479?

Check the references section above for vendor advisories and patch information. Affected products include: Softing Secure Integration Server.