// For flags

CVE-2023-39480

Softing Secure Integration Server FileDirectory OPC UA Object Arbitrary File Creation Vulnerability

Severity Score

4.4
*CVSS v3

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

0
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

Track
*SSVC
Descriptions

Softing Secure Integration Server FileDirectory OPC UA Object Arbitrary File Creation Vulnerability. This vulnerability allows remote attackers to create arbitrary files 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-20549.

Vulnerabilidad de creación de archivos arbitrarios de objetos OPC UA de Softing Secure Integration Server FileDirectory. Esta vulnerabilidad permite a atacantes remotos crear archivos arbitrarios en las instalaciones afectadas de Softing Secure Integration Server. Aunque se requiere autenticación para aprovechar esta vulnerabilidad, se puede omitir el mecanismo de autenticación existente. La falla específica existe en el manejo de objetos FileDirectory OPC UA. El problema surge al permitir el acceso no autorizado al sistema de archivos. Un atacante puede aprovechar esto junto con otras vulnerabilidades para ejecutar código arbitrario en el contexto de la raíz. Era ZDI-CAN-20549.

This vulnerability allows remote attackers to create arbitrary files 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.

*Credits: Claroty Research - Team82 - Uri Katz, Noam Moshe, Vera Mens, Sharon Brizinov
CVSS Scores
Attack Vector
Network
Attack Complexity
High
Privileges Required
High
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
High
Availability
None
* Common Vulnerability Scoring System
SSVC
  • Decision:Track
Exploitation
None
Automatable
No
Tech. Impact
Partial
* Organization's Worst-case Scenario
Timeline
  • 2023-08-02 CVE Reserved
  • 2023-08-09 CVE Published
  • 2024-05-03 EPSS Updated
  • 2024-08-02 CVE Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
  • ---------- First Exploit
CWE
  • CWE-552: Files or Directories Accessible to External Parties
CAPEC
References (1)
URL Tag Source
https://www.zerodayinitiative.com/advisories/ZDI-23-1062 X_research Advisory
URL Date SRC
URL Date SRC
URL Date SRC
Affected Vendors, Products, and Versions
Vendor Product Version Other Status
Vendor Product Version Other Status <-- --> Vendor Product Version Other Status
Softing
Search vendor "Softing"
 Secure Integration Server
Search vendor "Softing" for product "Secure Integration Server"
 1.22.0.8686
Search vendor "Softing" for product "Secure Integration Server" and version "1.22.0.8686"
en
Affected