CVE-2024-3705 - CVE House
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Status published High CVE-2024-3705

Unrestricted Upload of File with Dangerous Type vulnerability in OpenGnsys

Vulnerability Description

Unrestricted file upload vulnerability in OpenGnsys affecting version 1.1.1d (Espeto). This vulnerability allows an attacker to send a POST request to the endpoint '/opengnsys/images/M_Icons.php' modifying the file extension, due to lack of file extension verification, resulting in a webshell injection.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:

  • Pedro Gabaldón Julá
  • Javier Medina Munuera
  • Antonio José Gálvez Sánchez

References

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Affected Vendor

Affected Software

OpenGnsys
Vulnerable Versions:
1.1.1d

Timeline

Official Publish: April 12th, 2024
Last Modified: August 9th, 2024
Added to House: July 22nd, 2026

CVSS Vectors

V3: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Weaknesses (CWE)

CWE-434

MITRE ATT&CK TTPs

T1190 Exploit Public-Facing Application
Initial Access
T1505.003 Web Shell
Persistence
T1105 Ingress Tool Transfer
Command and Control
T1059 Command and Scripting Interpreter
Execution
T1565.002 Stored Data Manipulation
Impact