CVE-2023-42819

Path traversal in Jumpserver

Severity Score

8.8

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

JumpServer is an open source bastion host. Logged-in users can access and modify the contents of any file on the system. A user can use the 'Job-Template' menu and create a playbook named 'test'. Get the playbook id from the detail page, like 'e0adabef-c38f-492d-bd92-832bacc3df5f'. An attacker can exploit the directory traversal flaw using the provided URL to access and retrieve the contents of the file. `https://jumpserver-ip/api/v1/ops/playbook/e0adabef-c38f-492d-bd92-832bacc3df5f/file/?key=../../../../../../../etc/passwd` a similar method to modify the file content is also present. This issue has been addressed in version 3.6.5. Users are advised to upgrade. There are no known workarounds for this vulnerability.

JumpServer es un host bastionado de código abierto. Los usuarios que hayan iniciado sesión pueden acceder y modificar el contenido de cualquier archivo del sistema. Un usuario puede utilizar el menú 'Job-Template' y crear un playbook llamado 'test'. Obtenga la identificación del playbook en la página de detalles, como 'e0adabef-c38f-492d-bd92-832bacc3df5f'. Un atacante puede aprovechar la falla de directory traversal utilizando la URL proporcionada para acceder y recuperar el contenido del archivo. `https://jumpserver-ip/api/v1/ops/playbook/e0adabef-c38f-492d-bd92-832bacc3df5f/file/?key=../../../../../../ ../etc/passwd` también está presente un método similar para modificar el contenido del archivo. Este problema se solucionó en la versión 3.6.5. Se recomienda a los usuarios que actualicen. No se conocen workarounds para esta vulnerabilidad.

*Credits: N/A

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

Required

Scope

Changed

Confidentiality

High

Integrity

High

Availability

Low

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2023-09-14 CVE Reserved
2023-09-26 CVE Published
2023-12-28 First Exploit
2024-08-02 CVE Updated
2024-08-26 EPSS Updated
---------- Exploited in Wild
---------- KEV Due Date

CWE

CWE-22: Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

CAPEC

References (3)

URL	Tag	Source

URL	Date	SRC
https://github.com/C1ph3rX13/CVE-2023-42819	2023-12-28

URL	Date	SRC
https://github.com/jumpserver/jumpserver/commit/d0321a74f1713d031560341c8fd0a1859e6510d8	2023-09-29

URL	Date	SRC
https://github.com/jumpserver/jumpserver/security/advisories/GHSA-ghg2-2whp-6m33	2023-09-29

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Fit2cloud Search vendor "Fit2cloud"		Jumpserver Search vendor "Fit2cloud" for product "Jumpserver"				>= 3.0.0 < 3.6.5 Search vendor "Fit2cloud" for product "Jumpserver" and version " >= 3.0.0 < 3.6.5"		-		Affected