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 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...

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-2016-9464

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-2016-9462

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...

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...

CVE-2016-9467

Nextcloud Server before 9.0.54 and 10.0.1 & ownCloud Server before 9.0.6 and 9.1.2 suffer from content spoofing in the files app. The location bar in the files app was not verifying the passed parameters. An attacker could craft an invalid link to a fake directory structure and use this to displa...

CVE-2016-9463

Nextcloud Server before 9.0.54 and 10.0.1 & ownCloud Server before 9.1.2, 9.0.6, and 8.2.9 suffer from SMB User Authentication Bypass. Nextcloud/ownCloud include an optional and not by default enabled SMB authentication component that allows authenticating users against an SMB server. This backen...

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-2016-9464

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-2016-9460

Nextcloud Server before 9.0.52 & ownCloud Server before 9.0.4 are vulnerable to a content-spoofing attack in the files app. The location bar in the files app was not verifying the passed parameters. An attacker could craft an invalid link to a fake directory structure and use this to display an...

CVE-2016-9459

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...

CVE-2016-9468

Nextcloud Server before 9.0.54 and 10.0.1 & ownCloud Server before 9.0.6 and 9.1.2 suffer from content spoofing in the dav app. The exception message displayed on the DAV endpoints contained partially user-controllable input leading to a potential misrepresentation of information...

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...

CVE-2016-9461

CVE-2016-9461 affects Nextcloud Server before 9.0.52 and ownCloud Server before 9.0.4. The vulnerability stems from improper verification of edit permissions on WebDAV COPY actions, where the WebDAV endpoint did not correctly check permissions during COPY. As a result, an authenticated attacker w...

PT-2017-10157

Name of the Vulnerable Software and Affected Versions Nextcloud Server versions prior to 10.0.1 ownCloud Server versions prior to 9.0.6 and 9.1.2 Description The issue arises from a Reflected XSS in the Gallery application, where the gallery app fails to properly sanitize exception messages from...

CVE-2016-9461: Improper Access Control

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...

PT-2017-10156

Name of the Vulnerable Software and Affected Versions Nextcloud Server versions prior to 10.0.1 ownCloud Server versions prior to 9.0.6 and 9.1.2 Description The issue concerns a Stored XSS in the CardDAV image export functionality. This functionality allows the download of images stored within a...

PT-2017-10153

Name of the Vulnerable Software and Affected Versions Nextcloud Server versions prior to 9.0.52 ownCloud Server versions prior to 9.0.4 Description The issue arises from improper verification of restore privileges when restoring a file. Specifically, the restore capability was not checking if a...