CVE-2022-39212

Last video frame is still sent after video is disabled in a call in Nextcloud Talk

Severity Score

5.3

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

Nextcloud Talk is an open source chat, video & audio calls client for the Nextcloud platform. In affected versions an attacker could see the last video frame of any participant who has video disabled but a camera selected. It is recommended that the Nextcloud Talk app is upgraded to 13.0.8 or 14.0.4. Users unable to upgrade should select "None" as camera before joining the call.

Nextcloud Talk es un cliente de código abierto de chat, vídeo y llamadas de audio para la plataforma Nextcloud. En versiones afectadas, un atacante podría visualizar el último fotograma de vídeo de cualquier participante que tenga el vídeo deshabilitado pero una cámara seleccionada. Es recomendado actualizar la aplicación Nextcloud Talk a versión 13.0.8 o 14.0.4. Los usuarios que no puedan actualizar deberán seleccionar "None" como cámara antes de unirse a la llamada

*Credits: N/A

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

Low

Integrity

None

Availability

None

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

Low

Integrity

None

Availability

None

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2022-09-02 CVE Reserved
2022-09-16 CVE Published
2024-04-08 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

CAPEC

References (2)

URL	Tag	Source
https://github.com/nextcloud/security-advisories/security/advisories/GHSA-wq3g-2x46-q2gv	Third Party Advisory

URL	Date	SRC

URL	Date	SRC
https://github.com/nextcloud/spreed/pull/7673	2022-09-21

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"		Talk Search vendor "Nextcloud" for product "Talk"				< 13.0.8 Search vendor "Nextcloud" for product "Talk" and version " < 13.0.8"		-		Affected
Nextcloud Search vendor "Nextcloud"		Talk Search vendor "Nextcloud" for product "Talk"				>= 14.0.0 < 14.0.4 Search vendor "Nextcloud" for product "Talk" and version " >= 14.0.0 < 14.0.4"		-		Affected