OwnCloud

In the ownCloud application before 2.15 for Android, the lock protection mechanism can be bypassed by moving the system date/time into the past.

Cross-site scripting (XSS) vulnerability in ownCloud before 6.0.1 allows remote authenticated users to inject arbitrary web script or HTML via the filename of an uploaded file.

The CSRF (Cross Site Request Forgery) token check was improperly implemented on cookie authenticated requests against some ocs API endpoints. This affects ownCloud/core version < 10.6.

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…

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…

The autocomplete feature in the E-Mail share dialog in ownCloud Server before 8.1.11, 8.2.x before 8.2.9, 9.0.x before 9.0.7, and 9.1.x before 9.1.3 allows remote authenticated users to obtain sensitive information via unspecified vectors.

ownCloud Server before 8.0.9 and 8.1.x before 8.1.4 allow remote authenticated users to obtain sensitive information via unspecified vectors, which reveals the installation path in the resulting exception messages.

The Docker image of ownCloud Server through 10.11 contains a misconfiguration that renders the trusted_domains config useless. This could be abused to spoof the URL in password-reset e-mail messages.

The fetch function in OAuth/Curl.php in Dropbox-PHP, as used in ownCloud Server before 6.0.8, 7.x before 7.0.6, and 8.x before 8.0.4 when an external Dropbox storage has been mounted, allows remote administrators of Dropbox.com to read arbitrary files via an @ (at sign)…

The password reset functionality in ownCloud Server before 8.1.11, 8.2.x before 8.2.9, 9.0.x before 9.0.7, and 9.1.x before 9.1.3 sends different error messages depending on whether the username is valid, which allows remote attackers to enumerate user names via a large number…

ownCloud Server before 7.0.12, 8.0.x before 8.0.10, 8.1.x before 8.1.5, and 8.2.x before 8.2.2, when the "file_versions" application is enabled, does not properly check the return value of getOwner, which allows remote authenticated users to read the files with names starting…

Server Side Request Forgery (SSRF) vulnerability exists in owncloud/user_ldap < 0.15.4 in the settings of the user_ldap app. Administration role is necessary for exploitation.

The ownCloud application before 2.15 for Android allows attackers to use adb to include a PIN preferences value in a backup archive, and consequently bypass the PIN lock feature by restoring from this archive.

ownCloud Server before 10.3.0 allows an attacker, who has received non-administrative access to a group share, to remove everyone else's access to that share.

Incomplete blacklist vulnerability in ajax/upload.php in ownCloud before 5.0, when running on Windows, allows remote authenticated users to bypass intended access restrictions, upload files with arbitrary names, and execute arbitrary code via an Alternate Data Stream (ADS)…

DrawIO for ownCloud is an application for using DrawIO with the file storage, synchronization, and sharing application ownCloud Classic. In DrawIO for ownCloud prior to version 1.0.2, which corresponds to ownCloud 10 prior to version 10.15.3, attackers with access to the DrawIO…

Anti-Virus for ownCloud is an anti-virus application for file storage, synchronization, and sharing application ownCloud. Versions of Anti-Virus for ownCloud before 1.2.3 are vulnerable to Server-Side Request Forgery (SSRF). This corresponds to versions of ownCloud 10 prior to…

ownCloud is a file storage, synchronization, and sharing application. In ownCloud 10 prior to version 10.15.3, an attacker with administrative privileges can exploit a path traversal vulnerability in the system to execute arbitrary code. Upgrade ownCloud 10 to version 10.15.3 or…

SharePoint for ownCloud is an application for using SharePoint with the file storage, synchronization, and sharing application ownCloud Classic. In SharePoint for ownCloud prior to version 0.4.1, which corresponds to ownCloud 10 prior to 10.15.3, an attacker with administrative…

ownCloud Core is the server-side component of the file storage, synchronization, and sharing application ownCloud Classic. In versions prior to 10.15.3, the Updater on ownCloud 10 before 10.15.3 has an exposed dangerous method or function. Attackers with administrative…

ownCloud iOS app before 3.4.4 does not properly switch state between multiple instances, which might allow remote instance administrators to obtain sensitive credential and cookie information by reading authentication headers.

The files_external app in ownCloud Server before 7.0.9, 8.0.x before 8.0.7, and 8.1.x before 8.1.2 allows remote authenticated users to instantiate arbitrary classes and possibly execute arbitrary code via a crafted mount point option, related to "objectstore."

ownCloud Desktop Client before 2.0.1, when compiled with a Qt release after 5.3.x, does not call QNetworkReply::ignoreSslErrors with the list of errors to be ignored, which makes it easier for remote attackers to conduct man-in-the-middle (MITM) attacks by leveraging a server…

ownCloud Server before 7.0.8, 8.0.x before 8.0.6, and 8.1.x before 8.1.1 does not properly check ownership of calendars, which allows remote authenticated users to read arbitrary calendars via the calid parameter to apps/calendar/export.php.

Directory traversal vulnerability in ownCloud Server before 8.0.6 and 8.1.x before 8.1.1 allows remote authenticated users to list directory contents and possibly cause a denial of service (CPU consumption) via a .. (dot dot) in the dir parameter to…

ownCloud Desktop Client before 1.8.2 does not call QNetworkReply::ignoreSslErrors with the list of errors to be ignored, which allows man-in-the-middle attackers to bypass the user's certificate distrust decision and obtain sensitive information by leveraging a self-signed…

icewind1991 SMB before 1.0.3 allows remote authenticated users to execute arbitrary SMB commands via shell metacharacters in the user argument in the (1) listShares function in Server.php or the (2) connect or (3) read function in Share.php.

The virtual filesystem in ownCloud Server before 6.0.9, 7.0.x before 7.0.7, and 8.0.x before 8.0.5 does not consider that NULL is a valid getPath return value, which allows remote authenticated users to bypass intended access restrictions and gain access to users files via a…

The external SMB storage driver in ownCloud Server before 6.0.8, 7.0.x before 7.0.6, and 8.0.x before 8.0.4 allows remote authenticated users to execute arbitrary SMB commands via a ; (semicolon) character in a file.

The filename sanitization component in ownCloud Server before 6.0.8, 7.0.x before 7.0.6, and 8.0.x before 8.0.4 does not properly handle $_GET parameters cast by PHP to an array, which allows remote attackers to cause a denial of service (infinite loop and log file consumption)…

Directory traversal vulnerability in the routing component in ownCloud Server before 7.0.6 and 8.0.x before 8.0.4, when running on Windows, allows remote attackers to reinstall the application or execute arbitrary code via unspecified vectors.

Cross-site scripting (XSS) vulnerability in the activity application in ownCloud Server before 7.0.5 and 8.0.x before 8.0.4 allows remote authenticated users to inject arbitrary web script or HTML via a " (double quote) character in a filename in a shared folder.

ownCloud Server before 5.0.19, 6.x before 6.0.7, and 7.x before 7.0.5 allows remote authenticated users to bypass the file blacklist and upload arbitrary files via a file path with UTF-8 encoding, as demonstrated by uploading a .htaccess file.

Multiple cross-site scripting (XSS) vulnerabilities in the contacts application in ownCloud Server Community Edition before 5.0.19, 6.x before 6.0.7, and 7.x before 7.0.5 allow remote authenticated users to inject arbitrary web script or HTML via a crafted contact.

The documents application in ownCloud Server 6.x before 6.0.6 and 7.x before 7.0.3 allows remote authenticated users to obtain all valid session IDs via an unspecified API method.

The documents application in ownCloud Server 6.x before 6.0.6 and 7.x before 7.0.3 allows remote attackers to bypass the password-protection for shared files via the API.

Multiple unspecified vulnerabilities in the preview system in ownCloud 6.x before 6.0.6 and 7.x before 7.0.3 allow remote attackers to read arbitrary files via unknown vectors.

The OC_Util::getUrlContent function in ownCloud Server before 5.0.18, 6.x before 6.0.6, and 7.x before 7.0.3 allows remote attackers to read arbitrary files via a file:// protocol.

The FTP backend in user_external in ownCloud Server before 5.0.18 and 6.x before 6.0.6 allows remote attackers to bypass intended authentication requirements via a crafted password.

Asset Pipeline in ownCloud 7.x before 7.0.3 uses an MD5 hash of the absolute file paths of the original CSS and JS files as the name of the concatenated file, which allows remote attackers to obtain sensitive information via a brute force attack.

The user_ldap (aka LDAP user and group backend) application in ownCloud before 5.0.18, 6.x before 6.0.6, and 7.x before 7.0.3 allows remote attackers to bypass authentication via a null byte in the password and a valid user name, which triggers an unauthenticated bind.

Cross-site scripting (XSS) vulnerability in the import functionality in the bookmarks application in ownCloud before 5.0.18, 6.x before 6.0.6, and 7.x before 7.0.3 allows remote authenticated users to inject arbitrary web script or HTML by importing a link with an unspecified…

The import functionality in the bookmarks application in ownCloud server before 5.0.18, 6.x before 6.0.6, and 7.x before 7.0.3 does not validate CSRF tokens, which allow remote attackers to conduct CSRF attacks.

The SFTP external storage driver (files_external) in ownCloud Server before 6.0.5 validates the RSA Host key after login, which allows remote attackers to obtain sensitive information by sniffing the network.

Directory traversal vulnerability in the routing component in ownCloud Server before 5.0.17 and 6.0.x before 6.0.4 allows remote attackers to include and execute arbitrary local files via a .. (dot dot) in a filename, related to index.php.

ownCloud Server before 5.0.15 and 6.0.x before 6.0.2 allows remote attackers to conduct an LDAP injection attack via unspecified vectors, as demonstrated using a "login query."

ownCloud Server before 4.5.7 does not properly check ownership of calendars, which allows remote authenticated users to read arbitrary calendars via the calid parameter to /apps/calendar/export.php. NOTE: this issue has been reported as a cross-site request forgery (CSRF)…

Unspecified vulnerability in ownCloud Server before 4.0.12 allows remote attackers to obtain sensitive information via unspecified vectors related to "inclusion of the Amazon SDK testing suite." NOTE: due to lack of details, it is not clear whether the issue exists in ownCloud…

ownCloud Server before 6.0.1 does not properly check permissions, which allows remote authenticated users to access arbitrary preview pictures via unspecified vectors.

ownCloud Server before 5.0.16 and 6.0.x before 6.0.3 does not properly check permissions, which allows remote authenticated users to read the names of files of other users by leveraging access to multiple accounts.