CVE-2024-21624

Potential Information Leak in User-Constructed Message Templates in nonebot2

Severity Score

6.5

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

Track

*SSVC

Descriptions

nonebot2 is a cross-platform Python asynchronous chatbot framework written in Python. This security advisory pertains to a potential information leak (e.g., environment variables) in instances where developers utilize `MessageTemplate` and incorporate user-provided data into templates. The identified vulnerability has been remedied in pull request #2509 and will be included in versions released from 2.2.0. Users are strongly advised to upgrade to these patched versions to safeguard against the vulnerability. A temporary workaround involves filtering underscores before incorporating user input into the message template.

nonebot2 es un framework de chatbot asincrónico de Python multiplataforma escrito en Python. Este aviso de seguridad se refiere a una posible fuga de información (por ejemplo, variables de entorno) en casos en los que los desarrolladores utilizan "MessageTemplate" e incorporan datos proporcionados por el usuario en plantillas. La vulnerabilidad identificada se solucionó en la solicitud de extracción n.° 2509 y se incluirá en las versiones lanzadas a partir de la 2.2.0. Se recomienda encarecidamente a los usuarios que actualicen a estas versiones parcheadas para protegerse contra la vulnerabilidad. Una solución temporal implica filtrar los guiones bajos antes de incorporar la entrada del usuario en la plantilla del mensaje.

*Credits: N/A

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

Required

Scope

Unchanged

Confidentiality

High

Integrity

None

Availability

None

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

Required

Scope

Unchanged

Confidentiality

High

Integrity

None

Availability

None

* Common Vulnerability Scoring System

SSVC

Decision:Track

Exploitation

None

Automatable

Tech. Impact

Partial

* Organization's Worst-case Scenario

Timeline

2023-12-29 CVE Reserved
2024-02-09 CVE Published
2024-02-17 EPSS Updated
2024-08-01 CVE Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-200: Exposure of Sensitive Information to an Unauthorized Actor

CAPEC

References (2)

URL	Tag	Source

URL	Date	SRC

URL	Date	SRC
https://github.com/nonebot/nonebot2/pull/2509	2024-02-16

URL	Date	SRC
https://github.com/nonebot/nonebot2/security/advisories/GHSA-59j8-776v-xxxg	2024-02-16

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Nonebot Search vendor "Nonebot"		Nonebot Search vendor "Nonebot" for product "Nonebot"				>= 2.0.1 < 2.2.0 Search vendor "Nonebot" for product "Nonebot" and version " >= 2.0.1 < 2.2.0"		-		Affected
Nonebot Search vendor "Nonebot"		Nonebot Search vendor "Nonebot" for product "Nonebot"				2.0.0 Search vendor "Nonebot" for product "Nonebot" and version "2.0.0"		-		Affected
Nonebot Search vendor "Nonebot"		Nonebot Search vendor "Nonebot" for product "Nonebot"				2.0.0 Search vendor "Nonebot" for product "Nonebot" and version "2.0.0"		alpha16		Affected
Nonebot Search vendor "Nonebot"		Nonebot Search vendor "Nonebot" for product "Nonebot"				2.0.0 Search vendor "Nonebot" for product "Nonebot" and version "2.0.0"		beta1		Affected
Nonebot Search vendor "Nonebot"		Nonebot Search vendor "Nonebot" for product "Nonebot"				2.0.0 Search vendor "Nonebot" for product "Nonebot" and version "2.0.0"		beta2		Affected
Nonebot Search vendor "Nonebot"		Nonebot Search vendor "Nonebot" for product "Nonebot"				2.0.0 Search vendor "Nonebot" for product "Nonebot" and version "2.0.0"		beta3		Affected
Nonebot Search vendor "Nonebot"		Nonebot Search vendor "Nonebot" for product "Nonebot"				2.0.0 Search vendor "Nonebot" for product "Nonebot" and version "2.0.0"		beta4		Affected
Nonebot Search vendor "Nonebot"		Nonebot Search vendor "Nonebot" for product "Nonebot"				2.0.0 Search vendor "Nonebot" for product "Nonebot" and version "2.0.0"		beta5		Affected
Nonebot Search vendor "Nonebot"		Nonebot Search vendor "Nonebot" for product "Nonebot"				2.0.0 Search vendor "Nonebot" for product "Nonebot" and version "2.0.0"		rc1		Affected
Nonebot Search vendor "Nonebot"		Nonebot Search vendor "Nonebot" for product "Nonebot"				2.0.0 Search vendor "Nonebot" for product "Nonebot" and version "2.0.0"		rc2		Affected
Nonebot Search vendor "Nonebot"		Nonebot Search vendor "Nonebot" for product "Nonebot"				2.0.0 Search vendor "Nonebot" for product "Nonebot" and version "2.0.0"		rc3		Affected
Nonebot Search vendor "Nonebot"		Nonebot Search vendor "Nonebot" for product "Nonebot"				2.0.0 Search vendor "Nonebot" for product "Nonebot" and version "2.0.0"		rc4		Affected