CVE-2017-0887: Reliance on Untrusted Inputs in a Security Decision

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...

CVE-2017-0885: Generation of Error Message Containing Sensitive Information

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...

PT-2017-10687 · Nextcloud · Nextcloud Server

Name of the Vulnerable Software and Affected Versions: Nextcloud Server versions prior to 9.0.55 Nextcloud Server versions prior to 10.0.2 Description: The issue allows an authenticated adversary to trigger an endless recursion in the application, leading to a potential Denial of Service attack d...

PT-2017-10686 · Nextcloud · Nextcloud Server

Name of the Vulnerable Software and Affected Versions: Nextcloud Server versions prior to 9.0.55 Nextcloud Server versions prior to 10.0.2 Description: The issue allows an adversary with access to a write-only share to enumerate the names of existing files and subfolders by comparing exception...

PT-2017-10688 · Nextcloud · Nextcloud Server

Name of the Vulnerable Software and Affected Versions: Nextcloud Server versions prior to 9.0.55 Nextcloud Server versions prior to 10.0.2 Description: The issue allows an authenticated adversary to bypass quota limitations due to improper sanitization of the OC-Total-Length HTTP header values...

CVE-2017-0883: Incorrect Permission Assignment for Critical Resource

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 file...

CVE-2017-0884: Incorrect Permission Assignment for Critical Resource

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...

Nextcloud Server and ownCloud Server Content Spoofing Vulnerabilities

ownCloud is a free and open source personal cloud storage solution from German company ownCloud. nextcloud is an open source self-hosted file synchronization and sharing communication application platform. ownCloud Server and Nextcloud Server are both a server version of one of them. A security...

Nextcloud Server and ownCloud Server Content Spoofing Vulnerability (CNVD-2017-04625)

ownCloud is a free and open source personal cloud storage solution from German company ownCloud. nextcloud is an open source self-hosted file synchronization and sharing communication application platform. ownCloud Server and Nextcloud Server are both a server version of one of them. A security...

Nextcloud Server and ownCloud Server Security Bypass Vulnerability (CNVD-2017-05314)

ownCloud is a free and open source personal cloud storage solution from German company ownCloud. nextcloud is an open source self-hosted file synchronization and sharing communication application platform. ownCloud Server and Nextcloud Server are both a server version of one of them. A security...

Nextcloud Server and ownCloud Server Cross-Site Scripting Vulnerabilities

ownCloud is a free and open source personal cloud storage solution from German company ownCloud. nextcloud is an open source self-hosted file synchronization and sharing communication application platform. ownCloud Server and Nextcloud Server are both a server version of one of them. A cross-site...

Nextcloud Server and ownCloud Server Security Bypass Vulnerability

ownCloud is a free and open source personal cloud storage solution from German company ownCloud. nextcloud is an open source self-hosted file synchronization and sharing communication application platform. ownCloud Server and Nextcloud Server are both a server version of one of them. A security...

ownCloud Server and Nextcloud Server Security Bypass Vulnerability

ownCloud is a free and open source personal cloud storage solution from German company ownCloud. nextcloud is an open source self-hosted file synchronization and sharing communication application platform. ownCloud Server and Nextcloud Server are both a server version of one of them. A security...

Nextcloud Server and ownCloud Server Cross-Site Scripting Vulnerabilities

ownCloud is a free and open source personal cloud storage solution from German company ownCloud. nextcloud is an open source self-hosted file synchronization and sharing communication application platform. ownCloud Server and Nextcloud Server are both a server version of one of them. A cross-site...

Nextcloud Server and ownCloud Server Security Bypass Vulnerability (CNVD-2017-05313)

ownCloud is a free and open source personal cloud storage solution from German company ownCloud. nextcloud is an open source self-hosted file synchronization and sharing communication application platform. ownCloud Server and Nextcloud Server are both a server version of one of them. A security...

CVE-2016-9464

Nextcloud Server before 9.0.54 and 10.0.0 suffers from an improper authorization check on removing shares. The Sharing Backend as implemented in Nextcloud does differentiate between shares to users and groups. In case of a received group share, users should be able to unshare the file to themselv...

CVE-2016-9465

Nextcloud Server before 10.0.1 & ownCloud Server before 9.0.6 and 9.1.2 suffer from Stored XSS in CardDAV image export. The CardDAV image export functionality as implemented in Nextcloud/ownCloud allows the download of images stored within a vCard. Due to not performing any kind of verification o...

CVE-2016-9461

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...

Cross site scripting

Nextcloud Server before 10.0.1 & ownCloud Server before 9.0.6 and 9.1.2 suffer from Stored XSS in CardDAV image export. The CardDAV image export functionality as implemented in Nextcloud/ownCloud allows the download of images stored within a vCard. Due to not performing any kind of verification o...

CVE-2016-9462

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...