Multiple XSS vulnerabilities - ownCloud

Multiple cross-site scripting XSS vulnerabilities in ownCloud 4.5.0 allow remote attackers to inject arbitrary web script or HTML via the filename to to versions.js in apps/filesversions/js/ the filename to filelist.js in apps/files/js/ the event title to fullcalendar.js in...

Server: Information Exposure Through Directory Listing in the file scanner

Due to an incorrect usage of an ownCloud internal file system function the passed path to the file scanner was resolved relatively. An authenticated adversary may thus be able to get a listing of files existing on the filesystem. However, it is not possible to access any of these files. This caus...

Server: Local file inclusion on MS Windows Platform

Due to an improper control of the filename for a requireonce statement in the routing component a limited local file inclusion vulnerability is existent in all below mentioned ownCloud versions when running on the MS Windows Platform. Depending on the ownCloud configuration and the authentication...

Insufficient RSA Host Key validation in files_external (SFTP driver) - ownCloud

The SFTP external storage driver was verifying the RSA Host Key after logging in. This allows for a man-in-the-middle MITM attack even if the host key is already known and can be validated. Basically, at the point where the host key was validated, the secret has already been given away. It should...

Server: Local file inclusion in core

Due to an improper control of the filename for a requireonce statement in the routing component a limited local file inclusion vulnerability is existent in all below mentioned ownCloud versions. Depending on the ownCloud configuration and the authentication state of a remote attacker this...

Incomplete blacklist vulnerability - ownCloud

Incomplete blacklist vulnerability in apps/contacts/import.php and apps/contacts/ajax/uploadimport.php in ownCloud before 4.0.13 and 4.5.8 allows an authenticated remote attacker to upload a .htaccess file and therefore the execution of arbitrary PHP code in a standard Apache installation. Affect...

Privilege escalation in the calendar application - ownCloud

Due to not properly checking the ownership of an calendar, an authenticated attacker is able to download calendars of other users via the "calid" GET parameter to export.php in /apps/calendar/ Affected Software ownCloud Server 4.5.7 CVE-2013-0304 Action Taken It is recommended that all instances...

Server: Insufficiently random values

The rand and mtrand functions in PHP 5.4.x do not produce cryptographically strong random numbers, which allows attackers to leverage exposures in products that rely on these functions for security-relevant functionality, as demonstrated by the password-reset functionality in ownCloud 4.0.x. For...

Server: User enumeration

apps/calendar/appinfo/remote.php and apps/contacts/appinfo/remote.php in ownCloud before 4.0.7 allows remote authenticated users to enumerate the registered users via unspecified vectors. For more information please consult the official advisory. This advisory is licensed CC BY-SA 4.0...

Insecure Direct Object Reference in external storage - ownCloud

Insecure Direct Object Reference in external storage configuration may allow an authenticated attacker to change configuration of external storage of another user as well as gain access to credentials...

Disclosure of files that begin with ".v" due to unchecked return value - ownCloud

Due to a incorrect usage of the getOwner function of the ownCloud virtual filesystem,done authenticated users with incoming shares of other users are able to access files beginning with ".v" of the sharing user. This can only be exploited if the "filesversions" application is enabled on the serve...

Server: Calendar export: Authorization Bypass Through User-Controlled Key

Due to not properly checking the ownership of an calendar, an authenticated attacker is able to download calendars of other users via the "calid" GET parameter to export.php in /apps/calendar/ For more information please consult the official advisory. This advisory is licensed CC BY-SA 4.0...

Server: Local file disclosure due to the preview system

ownCloud includes a preview system which generates the small thumbnails shown in the file list of the web interface. This functionality can be controlled with the enablepreviews switch in config.php and is enabled by default. Multiple unspecified vulnerabilities have been found within the preview...

Users can mount the local filesystem - ownCloud

Due to not properly sanitzing the mount configuration authenticated users are able to mount the local filesystem into their ownCloud. A successful exploit requires the filesexternal app to be enabled. Affected Software ownCloud Server 6.0.2 ownCloud Server 5.0.15 Action Taken It is recommended th...

Server: Improper authorization checks in contacts

Due to not verifying whether an user has been granted access to an address book, authenticated users are able to access arbitrary contacts of other users. For more information please consult the official advisory. This advisory is licensed CC BY-SA 4.0...

Multiple SQL injection - ownCloud

ownCloud before 5.0.6 does not neutralize special elements that are passed to the SQL query in lib/db.php which therefore allows an authenticated attacker to execute arbitrary SQL commands. CVE-2013-2045 ownCloud before 5.0.6 and 4.5.11 does not neutralize special elements that are passed to the...

Server: CSRF token leakage

The configuration loader in ownCloud 5.0.x before 5.0.6 includes private data such as CSRF tokens in a JavaScript file, which allows remote attackers to obtain sensitive information. For more information please consult the official advisory. This advisory is licensed CC BY-SA 4.0...

Local file disclosure when running on Windows - ownCloud

Due to not rejecting "" as path separator in all ownCloud versions prior to 5.0.4 including the 4.x branch an authenticated remote attacker is able to download arbitrary files from the server when running under Windows. This vulnerability exists inside our used DAV implementation "SabreDAV" and...

Server: Multiple XSS vulnerabilities

Multiple cross-site scripting XSS vulnerabilities in ownCloud 4.5.5 and 4.0.10 and all prior versions allow remote attackers to inject arbitrary web script or HTML via the GET parameters to resetpassword.php in core/lostpassword/templates/ CVE-2013-0201 Commits: c05c8ab stable45, 4e2b834 stable4...

Server: Code execution in /lib/migrate.php

Incomplete blacklist vulnerability in lib/migrate.php in ownCloud before 4.0.7 allows remote attackers to execute arbitrary code by uploading a crafted .htaccess file in an import.zip file and accessing an uploaded PHP file. For more information please consult the official advisory. This advisory...

Server: Stored XSS in "activity" application

Due to not sanitising all user provided input, the "activity" application shipped with the mentioned ownCloud versions is vulnerable to stored cross-site scripting attacks. The "activity" application is enabled by default in the ownCloud Community Edition and Enterprise Edition. Successful...

Server: Bypass of shared files password protection in "documents" application

The "documents" application is a collaborative web-based online editor for ODT files. Using this application you can easily share and collaborate on office documents. Due to missing access control within the API of this application, the password-protection of shared files can be bypassed. For mor...

Server: XSS vulnerability in bookmarks

A cross-site scripting XSS vulnerability in ownCloud before 4.5.5 and 4.0.10 allow remote attackers to inject arbitrary web script or HTML via the PATH data to index.php in apps/bookmark/ For more information please consult the official advisory. This advisory is licensed CC BY-SA 4.0...

Multiple XSS vulnerabilities - ownCloud

Multiple cross-site scripting XSS vulnerabilities in ownCloud before 4.0.8 allow remote attackers to inject arbitrary web script or HTML via the readyCallback parameter to PUT.swf in apps/filesodfviewer/src/webodf/webodf/flashput/ the root parameter to index.php in apps/gallery/templates/ a...

Bypass of shared files password protection in "documents" application - ownCloud

The "documents" application is a collaborative web-based online editor for ODT files. Using this application you can easily share and collaborate on office documents. Due to missing access control within the API of this application, the password-protection of shared files can be bypassed. Affecte...

Server: ACLs not properly enforced in "documents" application

The "documents" application is a collaborative web-based online editor for ODT files. Using this application you can easily share and collaborate on office documents. This application uses strong and very long random "Session IDs" to limit access to specific resources. Knowledge of this ID allows...

Server: LDAP injection

Due to not properly sanitizing the LDAP queries an attacker is able to: Gain information about existing LDAP users Modify the login query, e.g. with a wildcard For more information please consult the official advisory. This advisory is licensed CC BY-SA 4.0...

Server: XSS vulnerability in user_webdavauth

A cross-site scripting XSS vulnerability in ownCloud 4.5.x before 4.5.2 allow remote attackers to inject arbitrary web script or HTML via the POST data to settings.php in apps/userwebdavauth/ For more information please consult the official advisory. This advisory is licensed CC BY-SA 4.0...

Multiple stored XSS - ownCloud

Multiple cross-site scripting XSS vulnerabilities in ownCloud before 4.0.1 allow remote attackers to inject arbitrary web script or HTML via the calendar displayname to part.choosecalendar.rowfields.php part.choosecalendar.rowfields.shared.php in apps/calendar/templates/ unspecified vectors to...

Insecure Flash Cross Domain policies - ownCloud

Due to insecure Flash Cross Domain policies an attacker might gain access to stored files of the user. Affected Software ownCloud Server 6.0.2 CVE-2014-2047 ownCloud Server 5.0.15 CVE-2014-2049 Action Taken All packaged Flash files have been audited whether they have potentially insecure Cross...

Improper authorization checks in files_external - ownCloud

Due to not verifying whether an user has been granted access to add external storages an authenticated user could even mount external storage e.g. SMB/FTP/etc. without permission. Affected Software ownCloud Server 6.0.3 CVE-2014-3835 ownCloud Server 5.0.16 CVE-2014-3835 Action Taken We reviewed t...

Server: Privilege escalation in the contacts application

Due to not properly checking the ownership of a single contact, an authenticated attacker is able to download contacts of other users in all ownCloud versions prior to 5.0.5 including the 4.5.x branch. Note: Successful exploitation of this privilege escalation requires the "contacts" app to be...

Server: Information disclosure

Due to the inclusion of the Amazon SDK testing suite an unauthenticated attacker is able to gain additional informations about the server including: the PHP version the cURL version informations wether the following functions/modules are available: SimpleXML DOM SPL JSON PCRE File System Read/Wri...

Reflected XSS in the file list - ownCloud

Cross-site scripting XSS vulnerability in apps/files/js/filelist.js in ownCloud before 4.0.5 allows remote attackers to inject arbitrary web script or HTML via the file parameter. Affected Software ownCloud Server 4.0.5 CVE-2012-4394 Action Taken It is recommended that all instances are upgraded ...

Server: Several CSRF security fixes

Multiple cross-site request forgery CSRF vulnerabilities in ownCloud before 4.0.6 allow remote attackers to hijack the authentication of arbitrary users for requests that use addBookmark.php in bookmarks/ajax/ delBookmark.php in bookmarks/ajax/ editBookmark.php in bookmarks/ajax/...

Security advisory: Normal user can somehow make admin to delete shared folders

Platform: ownCloud Server Versions: 10.0.2 Date: 5/31/2017 Risk level: Medium CVSS v3 Base Score: 4.3 CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N CWE: Improper Privilege Management CWE-269 HackerOne report:Â 166581...

Server: PHP arbitrary class instantiation in "files_external"

A user may instantiate arbitrary ownCloud classes due to a lack of a proper check of the mount point options provided by a user via the web front end. These may include constructor arguments and could potentially lead to a remote code execution. For more information please consult the official...

Information Exposure Through Directory Listing in the file scanner - ownCloud

Due to an incorrect usage of an ownCloud internal file system function the passed path to the file scanner was resolved relatively. An authenticated adversary may thus be able to get a listing of directories but not the containing files existing on the filesystem. However, it is not possible to...

Mobile App: Improper validation of certificates within the iOS application

The ownCloud iOS Library was vulnerable against a remotely exploitable certification problem until version 1.1.2. The vulnerable library version is used by the official ownCloud iOS client until version 3.4.4. Specifically it has been discovered that the used networking library AFNetworking is pe...

Server: Multiple stored XSS in "documents" application

Due to not sanitising all user provided input, the "documents" application shipped with the mentioned ownCloud versions is vulnerable to multiple stored cross-site scripting attacks. The "documents" application is enabled by default in the ownCloud Community Edition but not shipped with the...

LDAP injection - ownCloud

Due to not properly sanitizing the LDAP queries an attacker is able to: Gain information about existing LDAP users Modify the login query, e.g. with a wildcard Affected Software ownCloud Server 6.0.2 CVE-2014-2047 ownCloud Server 5.0.15 CVE-2014-2049 Action Taken All LDAP queries have been review...

Server: Multiple directory traversals

Multiple directory traversal vulnerabilities in 1 apps/filestrashbin/index.php via the "dir" GET parameter and 2 lib/files/view.php via undefined vectors in all ownCloud versions prior to 5.0.6 and other versions before 4.0.15, allow authenticated remote attackers to get access to arbitrary local...

Server: Multiple XSS vulnerabilities

Cross-site scripting XSS vulnerabilities in multiple files inside the media application via multiple unspecified vectors in all ownCloud versions prior to 5.0.6 and other versions before 4.0.15 allows authenticated remote attackers to inject arbitrary web script or HTML. CVE-2013-2040 Cross-site...

Server: Open redirector

Open redirect vulnerability in index.php aka the Login Page in ownCloud before 5.0.6 allows remote attackers to redirect users to arbitrary web sites and conduct phishing attacks via a URL in the redirecturl parameter. For more information please consult the official advisory. This advisory is...

Server: Incomplete blacklist vulnerability

Incomplete blacklist vulnerability in apps/contacts/import.php and apps/contacts/ajax/uploadimport.php in ownCloud before 4.0.13 and 4.5.8 allows an authenticated remote attacker to upload a .htaccess file and therefore the execution of arbitrary PHP code in a standard Apache installation. For mo...

Server: Multiple stored XSS

Multiple cross-site scripting XSS vulnerabilities in ownCloud before 4.0.1 allow remote attackers to inject arbitrary web script or HTML via the calendar displayname to part.choosecalendar.rowfields.php part.choosecalendar.rowfields.shared.php in apps/calendar/templates/ unspecified vectors to...

Authenticated account enumeration in sharing dialog - ownCloud

The sharing dialog implements a user enumeration mitigation to prevent an authenticated user from getting a list of all accounts registered on the instance via the auto-complete dropdown. In the default configuration at least 3 characters of the name or email of the share-receiver “Sharee” must...

Improper validation of certificates when using self-signed certificates 2.0.1

The ownCloud Desktop Client was vulnerable against MITM attacks until version 2.0.0 in combination with self-signed certificates. To be exploitable the following conditions have to be met:...

Server: Disclosure of users files when deleting parent folders of shared files

Due to a common incorrect usage of the getPath function of the ownCloud virtual filesystem multiple security issues occurred. Especially the function may return null in case the specified file does not exist anymore. When passing the result of getPath in combination with null to functions that...

Stored XSS in "activity" application - ownCloud

Due to not sanitising all user provided input, the "activity" application shipped with the mentioned ownCloud versions is vulnerable to stored cross-site scripting attacks. The "activity" application is enabled by default in the ownCloud Community Edition and Enterprise Edition. Successful...