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ZdiCVELIST:CVE-2023-39479

HistoryMay 03, 2024 - 2:10 a.m.

CVE-2023-39479 Softing Secure Integration Server OPC UA Gateway Directory Creation Vulnerability

2024-05-0302:10:44

CWE-552

zdi

www.cve.org

softing secure integration server

opc ua gateway

directory creation

unauthorized access

arbitrary code

CVSS3

6.6

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

HIGH

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.0/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H

AI Score

6.9

Confidence

High

EPSS

0.001

Percentile

28.8%

JSON

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.

CNA Affected

[
  {
    "vendor": "Softing",
    "product": "Secure Integration Server",
    "versions": [
      {
        "version": "1.22.0.8686",
        "status": "affected"
      }
    ],
    "defaultStatus": "unknown"
  }
]

References

www.zerodayinitiative.com/advisories/ZDI-23-1061/

CVSS3

6.6

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

HIGH

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.0/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H

AI Score

6.9

Confidence

High

EPSS

0.001

Percentile

28.8%

JSON

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