CVE-2019-15624

openSUSE Security Advisory - openSUSE-SU-2020:0229-1

Severity Score

4.9

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

Improper Input Validation in Nextcloud Server 15.0.7 allows group admins to create users with IDs of system folders.

Una Comprobación de Entrada Inapropiada en Nextcloud Server versión 15.0.7, permite a los administradores de grupo crear usuarios con los ID de carpetas del sistema.

An update that fixes 6 vulnerabilities is now available. This update for nextcloud fixes the following issues. Nextcloud was updated to 15.0.14. On the file extension when checking file mimetypes the server to send it's domain and user IDs to the Nextcloud Lookup Server without any further data when the Lookup server is disabled admins to create users with IDs of system folders previews and files when a file-drop share link is opened via the gallery app forgery allowed to detect local and remote services when adding a new subscription in the calendar application sharees to be able to reshare with write permissions when sharing the mount point of a share they received, as a public link nextcloud was updated to 13.0.12. This update was imported from the openSUSE:Leap:15.1:Update update project.

*Credits: N/A

Attack Vector

Network

Attack Complexity

Low

Privileges Required

High

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

High

Availability

None

Attack Vector

Network

Attack Complexity

Low

Authentication

Single

Confidentiality

None

Integrity

Partial

Availability

None

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2019-08-26 CVE Reserved
2020-02-04 CVE Published
2024-08-05 CVE Updated
2024-08-05 First Exploit
2025-07-05 EPSS Updated
---------- Exploited in Wild
---------- KEV Due Date

CWE

CWE-20: Improper Input Validation

CAPEC

References (4)

URL	Tag	Source

URL	Date	SRC
https://hackerone.com/reports/508493	2024-08-05

URL	Date	SRC

URL	Date	SRC
http://lists.opensuse.org/opensuse-security-announce/2020-02/msg00019.html	2022-01-01
http://lists.opensuse.org/opensuse-security-announce/2020-02/msg00022.html	2022-01-01
https://nextcloud.com/security/advisory/?id=NC-SA-2019-015	2022-01-01

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 Server Search vendor "Nextcloud" for product "Nextcloud Server"				< 14.0.11 Search vendor "Nextcloud" for product "Nextcloud Server" and version " < 14.0.11"		-		Affected
Nextcloud Search vendor "Nextcloud"		Nextcloud Server Search vendor "Nextcloud" for product "Nextcloud Server"				>= 15.0.0 < 15.0.8 Search vendor "Nextcloud" for product "Nextcloud Server" and version " >= 15.0.0 < 15.0.8"		-		Affected
Opensuse Search vendor "Opensuse"		Backports Search vendor "Opensuse" for product "Backports"				sle-15 Search vendor "Opensuse" for product "Backports" and version "sle-15"		sp1		Affected
Suse Search vendor "Suse"		Suse Linux Enterprise Server Search vendor "Suse" for product "Suse Linux Enterprise Server"				12 Search vendor "Suse" for product "Suse Linux Enterprise Server" and version "12"		-		Affected