CVE-2023-4739

Byzoro Smart S85F Management Platform updateos.php unrestricted upload

Severity Score

9.8

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

A vulnerability, which was classified as critical, has been found in Byzoro Smart S85F Management Platform up to 20230820. Affected by this issue is some unknown functionality of the file /sysmanage/updateos.php. The manipulation of the argument 1_file_upload leads to unrestricted upload. The attack may be launched remotely. The exploit has been disclosed to the public and may be used. The identifier of this vulnerability is VDB-238628. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.

Una vulnerabilidad fue encontrada en Beijing Baichuo Smart S85F Management Platform hasta 20230820 en Smart y clasificada como crítica. Una función desconocida del archivo /sysmanage/updateos.php es afectada por esta vulnerabilidad. La manipulación del argumento 1_file_upload conduce a una carga sin restricciones. El ataque puede lanzarse de forma remota. El exploit ha sido divulgado al público y puede utilizarse. El identificador de esta vulnerabilidad es VDB-238628. NOTA: Se contactó primeramente al proveedor sobre esta divulgación, pero no respondió de ninguna manera.

Eine kritische Schwachstelle wurde in Byzoro Smart S85F Management Platform bis 20230820 entdeckt. Betroffen davon ist ein unbekannter Prozess der Datei /sysmanage/updateos.php. Mittels dem Manipulieren des Arguments 1_file_upload mit unbekannten Daten kann eine unrestricted upload-Schwachstelle ausgenutzt werden. Die Umsetzung des Angriffs kann dabei über das Netzwerk erfolgen. Der Exploit steht zur öffentlichen Verfügung.

*Credits: Peanu11

CVSS Scores

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

Low

Integrity

Low

Availability

Low

Attack Vector

Network

Attack Complexity

Low

Authentication

Single

Confidentiality

Partial

Integrity

Partial

Availability

Partial

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2023-09-03 CVE Reserved
2023-09-03 CVE Published
2024-08-02 CVE Updated
2024-08-02 First Exploit
2024-09-22 EPSS Updated
---------- Exploited in Wild
---------- KEV Due Date

CWE

CWE-434: Unrestricted Upload of File with Dangerous Type

CAPEC

References (2)

URL	Tag	Source
https://vuldb.com/?submit.197572	Third Party Advisory

URL	Date	SRC
https://github.com/Meizhi-hua/cve/blob/main/upload_file.md	2024-08-02

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
Byzoro Search vendor "Byzoro"	Smart S85f Firmware Search vendor "Byzoro" for product "Smart S85f Firmware"	<= 20230820 Search vendor "Byzoro" for product "Smart S85f Firmware" and version " <= 20230820"	-	Affected	in	Byzoro Search vendor "Byzoro"	Smart S85f Search vendor "Byzoro" for product "Smart S85f"	-	-	Safe