CVE-2024-3955

Arbitrary code execution in CraftBeerPi 4

Severity Score

9.8

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

Attend

*SSVC

Descriptions

URL GET parameter "logtime" utilized within the "downloadlog" function from "cbpi/http_endpoints/http_system.py" is subsequently passed to the "os.system" function in "cbpi/controller/system_controller.py" without prior validation allowing to execute arbitrary code.This issue affects CraftBeerPi 4: from 4.0.0.58 (commit 563fae9) before 4.4.1.a1 (commit 57572c7).

El parámetro GET de URL "logtime" utilizado dentro de la función "downloadlog" de "cbpi/http_endpoints/http_system.py" se pasa posteriormente a la función "os.system" en "cbpi/controller/system_controller.py" sin validación previa que permita ejecutar código arbitrario. Este problema afecta a CraftBeerPi 4: desde 4.0.0.58 (commit 563fae9) antes de 4.4.1.a1 (commit 57572c7).

*Credits: Pondzik

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

Authentication

None

Confidentiality

Partial

Integrity

Partial

Availability

Partial

* Common Vulnerability Scoring System

SSVC

Decision:Attend

Exploitation

None

Automatable

Yes

Tech. Impact

Total

* Organization's Worst-case Scenario

Timeline

2024-04-18 CVE Reserved
2024-05-02 CVE Published
2024-05-03 EPSS Updated
2024-08-01 CVE Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-94: Improper Control of Generation of Code ('Code Injection')

CAPEC

CAPEC-242: Code Injection

References (3)

URL	Tag	Source
https://cert.pl/en/posts/2024/05/CVE-2024-3955	Third Party Advisory
https://cert.pl/posts/2024/05/CVE-2024-3955	Third Party Advisory
https://github.com/PiBrewing/craftbeerpi4/issues/132	Issue Tracking

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
Pibrewing Search vendor "Pibrewing"		Craftbeerpi 4 Search vendor "Pibrewing" for product "Craftbeerpi 4"				*		-		Affected