
CVE-2017-0890
https://notcve.org/view.php?id=CVE-2017-0890
08 May 2017 — Nextcloud Server before 11.0.3 is vulnerable to an inadequate escaping leading to a XSS vulnerability in the search module. To be exploitable a user has to write or paste malicious content into the search dialogue. Nextcloud Server anterior a 11.0.3 es vulnerable a un escape inadecuado lo que produce una vulnerabilidad XSS en el módulo de búsqueda. Para ser explotable un usuario tiene que escribir o pegar contenido malicioso en el diálogo de búsqueda. • https://hackerone.com/reports/213227 • CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') •

CVE-2017-0888
https://notcve.org/view.php?id=CVE-2017-0888
05 Apr 2017 — Nextcloud Server before 9.0.55 and 10.0.2 suffers from a Content-Spoofing vulnerability in the "files" app. The top navigation bar displayed in the files list contained partially user-controllable input leading to a potential misrepresentation of information. Nextcloud Server en versiones anteriores a 9.0.55 y 10.0.2 sufre una vulnerabilidad de Content-Spoofing en la aplicación "files". La barra de navegación superior mostrada en la lista de archivos contenía entradas parcialmente controlables por el usuari... • http://www.securityfocus.com/bid/97491 • CWE-20: Improper Input Validation CWE-451: User Interface (UI) Misrepresentation of Critical Information •

CVE-2017-0884
https://notcve.org/view.php?id=CVE-2017-0884
05 Apr 2017 — Nextcloud Server before 9.0.55 and 10.0.2 suffers from a creation of folders in read-only folders despite lacking permissions issue. Due to a logical error in the file caching layer an authenticated adversary is able to create empty folders inside a shared folder. Note that this only affects folders and files that the adversary has at least read-only permissions for. Nextcloud Server en versiones anteriores a 9.0.55 y 10.0.2 sufre de una creación de carpetas en carpetas de sólo lectura a pesar del problema ... • https://hackerone.com/reports/169680 • CWE-275: Permission Issues CWE-732: Incorrect Permission Assignment for Critical Resource •

CVE-2017-0885
https://notcve.org/view.php?id=CVE-2017-0885
05 Apr 2017 — Nextcloud Server before 9.0.55 and 10.0.2 suffers from a error message disclosing existence of file in write-only share. Due to an error in the application logic an adversary with access to a write-only share may enumerate the names of existing files and subfolders by comparing the exception messages. Nextcloud Server en versiones anteriores a 9.0.55 y 10.0.2 sufre de un mensaje de error que revela la existencia de archivo en el recurso de sólo escritura. Debido a un error en la lógica de la aplicación, un ... • https://hackerone.com/reports/174524 • CWE-200: Exposure of Sensitive Information to an Unauthorized Actor CWE-209: Generation of Error Message Containing Sensitive Information •

CVE-2017-0883
https://notcve.org/view.php?id=CVE-2017-0883
05 Apr 2017 — Nextcloud Server before 9.0.55 and 10.0.2 suffers from a permission increase on re-sharing via OCS API issue. A permission related issue within the OCS sharing API allowed an authenticated adversary to reshare shared files with an increasing permission set. This may allow an attacker to edit files in a share despite having only a 'read' permission set. Note that this only affects folders and files that the adversary has at least read-only permissions for. Nextcloud Server en versiones anteriores a 9.0.55 y ... • https://hackerone.com/reports/169680 • CWE-275: Permission Issues CWE-732: Incorrect Permission Assignment for Critical Resource •

CVE-2017-0887
https://notcve.org/view.php?id=CVE-2017-0887
05 Apr 2017 — Nextcloud Server before 9.0.55 and 10.0.2 suffers from a bypass in the quota limitation. Due to not properly sanitizing values provided by the `OC-Total-Length` HTTP header an authenticated adversary may be able to exceed their configured user quota. Thus using more space than allowed by the administrator. Nextcloud Server en versiones anteriores a 9.0.55 y 10.0.2 Sufre una evasión en la limitación de cuota. Debido a que no se desinfectan correctamente los valores proporcionados por la cabecera "OC-Total-Le... • https://hackerone.com/reports/173622 • CWE-20: Improper Input Validation CWE-807: Reliance on Untrusted Inputs in a Security Decision •

CVE-2017-0886
https://notcve.org/view.php?id=CVE-2017-0886
05 Apr 2017 — Nextcloud Server before 9.0.55 and 10.0.2 suffers from a Denial of Service attack. Due to an error in the application logic an authenticated adversary may trigger an endless recursion in the application leading to a potential Denial of Service. Nextcloud Server en versiones anteriores a 9.0.55 y 10.0.2 sufre de un ataque de denegación de servicio. Debido a un error en la lógica de la aplicación, un adversario autenticado puede desencadenar una recursión interminable en la aplicación que conduce a una posibl... • https://hackerone.com/reports/174524 • CWE-674: Uncontrolled Recursion •

CVE-2016-9459
https://notcve.org/view.php?id=CVE-2016-9459
28 Mar 2017 — Nextcloud Server before 9.0.52 & ownCloud Server before 9.0.4 are vulnerable to a log pollution vulnerability potentially leading to a local XSS. The download log functionality in the admin screen is delivering the log in JSON format to the end-user. The file was delivered with an attachment disposition forcing the browser to download the document. However, Firefox running on Microsoft Windows would offer the user to open the data in the browser as an HTML document. Thus any injected data in the log would b... • http://www.securityfocus.com/bid/97284 • CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') CWE-209: Generation of Error Message Containing Sensitive Information •

CVE-2016-9461
https://notcve.org/view.php?id=CVE-2016-9461
28 Mar 2017 — Nextcloud Server before 9.0.52 & ownCloud Server before 9.0.4 are not properly verifying edit check permissions on WebDAV copy actions. The WebDAV endpoint was not properly checking the permission on a WebDAV COPY action. This allowed an authenticated attacker with access to a read-only share to put new files in there. It was not possible to modify existing files. Nextcloud Server en versiones anteriores a 9.0.52 & ownCloud Server en versiones anteriores a 9.0.4 no están verificando correctamente los permis... • http://www.securityfocus.com/bid/97276 • CWE-275: Permission Issues CWE-284: Improper Access Control •

CVE-2016-9462
https://notcve.org/view.php?id=CVE-2016-9462
28 Mar 2017 — Nextcloud Server before 9.0.52 & ownCloud Server before 9.0.4 are not properly verifying restore privileges when restoring a file. The restore capability of Nextcloud/ownCloud was not verifying whether a user has only read-only access to a share. Thus a user with read-only access was able to restore old versions. Nextcloud Server en versiones anteriores a 9.0.52 & ownCloud Server en versiones anteriores a 9.0.4 no están verificando correctamente los privilegios de restauración al restaurar un archivo. La ca... • http://www.securityfocus.com/bid/97285 • CWE-275: Permission Issues CWE-284: Improper Access Control •