CVE-2022-41971

Nextcloud Talk guests can continue to receive video streams from call after being removed from a conversation

Severity Score

6.5

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

Nextcould Talk android is a video and audio conferencing app for Nextcloud. Prior to versions 12.2.8, 13.0.10, 14.0.6, and 15.0.0, guests can continue to receive video streams from a call after being removed from a conversation. An attacker would be able to see videos on a call in a public conversation after being removed from that conversation, provided that they were removed while being in the call. Versions 12.2.8, 13.0.10, 14.0.6, and 15.0.0 contain patches for the issue. No known workarounds are available.

Nextcould Talk Android es una aplicación de videoconferencia y audioconferencia para Nextcloud. Antes de las versiones 12.2.8, 13.0.10, 14.0.6 y 15.0.0, los invitados pueden continuar recibiendo transmisiones de video de una llamada después de ser eliminados de una conversación. Un atacante podría ver vídeos en una llamada en una conversación pública después de ser eliminado de esa conversación, siempre que se eliminaran mientras estaba en la llamada. Las versiones 12.2.8, 13.0.10, 14.0.6 y 15.0.0 contienen parches para el problema. No hay workarounds disponibles.

*Credits: N/A

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

None

Availability

None

Attack Vector

Network

Attack Complexity

High

Privileges Required

Low

User Interaction

Required

Scope

Unchanged

Confidentiality

High

Integrity

None

Availability

None

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2022-09-30 CVE Reserved
2022-12-01 CVE Published
2024-06-23 EPSS Updated
2024-08-03 CVE Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-200: Exposure of Sensitive Information to an Unauthorized Actor
CWE-359: Exposure of Private Personal Information to an Unauthorized Actor
CWE-668: Exposure of Resource to Wrong Sphere

CAPEC

References (2)

URL	Tag	Source
https://github.com/nextcloud/security-advisories/security/advisories/GHSA-wx6w-xpg9-6fv4	Third Party Advisory
https://github.com/nextcloud/spreed/pull/7974	Third Party Advisory

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
Nextcloud Search vendor "Nextcloud"		Nextcloud Talk Search vendor "Nextcloud" for product "Nextcloud Talk"				>= 12.0.0 < 12.2.8 Search vendor "Nextcloud" for product "Nextcloud Talk" and version " >= 12.0.0 < 12.2.8"		android		Affected
Nextcloud Search vendor "Nextcloud"		Nextcloud Talk Search vendor "Nextcloud" for product "Nextcloud Talk"				>= 13.0.0 < 13.0.10 Search vendor "Nextcloud" for product "Nextcloud Talk" and version " >= 13.0.0 < 13.0.10"		android		Affected
Nextcloud Search vendor "Nextcloud"		Nextcloud Talk Search vendor "Nextcloud" for product "Nextcloud Talk"				>= 14.0.0 < 14.0.6 Search vendor "Nextcloud" for product "Nextcloud Talk" and version " >= 14.0.0 < 14.0.6"		android		Affected