CVE-2023-45149

Password of talk conversations can be bruteforced in Nextcloud

Severity Score

4.3

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

Track*

*SSVC

Descriptions

Nextcloud talk is a chat module for the Nextcloud server platform. In affected versions brute force protection of public talk conversation passwords can be bypassed, as there was an endpoint validating the conversation password without registering bruteforce attempts. It is recommended that the Nextcloud Talk app is upgraded to 15.0.8, 16.0.6 or 17.1.1. There are no known workarounds for this vulnerability.

Nextcloud talk es un módulo de chat para la plataforma del servidor Nextcloud. En las versiones afectadas, se puede omitir la protección de fuerza bruta de las contraseñas de conversaciones públicas, ya que había un endpoint que validaba la contraseña de la conversación sin registrar intentos de fuerza bruta. Se recomienda actualizar la aplicación Nextcloud Talk a 15.0.8, 16.0.6 o 17.1.1. No se conocen workarounds para esta vulnerabilidad.

*Credits: N/A

CVSS Scores

NISTv3.1 4.3

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:Track*

Exploitation

Poc

Automatable

Tech. Impact

Partial

* Organization's Worst-case Scenario

Timeline

2023-10-04 CVE Reserved
2023-10-16 CVE Published
2024-09-15 EPSS Updated
2024-09-16 CVE Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-307: Improper Restriction of Excessive Authentication Attempts

CAPEC

References (2)

URL	Tag	Source

URL	Date	SRC

URL	Date	SRC
https://github.com/nextcloud/spreed/pull/10545	2023-10-20

URL	Date	SRC
https://github.com/nextcloud/security-advisories/security/advisories/GHSA-7rf8-pqmj-rpqv	2023-10-20

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"				>= 15.0.0 < 15.0.8 Search vendor "Nextcloud" for product "Talk" and version " >= 15.0.0 < 15.0.8"		-		Affected
Nextcloud Search vendor "Nextcloud"		Talk Search vendor "Nextcloud" for product "Talk"				>= 16.0.0 < 16.0.6 Search vendor "Nextcloud" for product "Talk" and version " >= 16.0.0 < 16.0.6"		-		Affected
Nextcloud Search vendor "Nextcloud"		Talk Search vendor "Nextcloud" for product "Talk"				>= 17.0.0 < 17.1.1 Search vendor "Nextcloud" for product "Talk" and version " >= 17.0.0 < 17.1.1"		-		Affected