Login bypass when using user_ldap due to unauthenticated binds - ownCloud

"userldap" in the web-interface called "LDAP user and group backend" is an optional authentication backend for ownCloud for using LDAP users and groups within the ownCloud web application. The ownCloud team has discovered a vulnerability within the "userldap" application which, depending on the...

XXE in multiple third party components - ownCloud

Multiple third party components of ownCloud are vulnerable to XXE attacks, which may lead to: Local File Disclosure Server Side Request Forgery DoS Code Execution depending on the PHP wrappers … The following libraries are affected: ZendFramework: CVE-2014-2052 GetID3: CVE-2014-2053 PHPExcel:...

Information disclosure - ownCloud

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...

Auth bypass in user_webdavauth and user_ldap - ownCloud

ownCloud 4.5.4, ownCloud 4.0.9 and all versions previous to this doesn't sufficiently verify whether a request to settings.php was sent by an admin, which allows unauthenticated users to edit app configurations of userwebdavauth and userldap. An unauthenticated attacker may use this to gain acces...

Multiple XSS vulnerabilities - ownCloud

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...

Security updates in Desktop Client - ownCloud

Even though there are no known vulnerabilities in the ownCloud desktop client we have updated the QT library which includes the zlib library. This is a preventive measure to make sure the client is not vlunerable to the remote code execution vulnerability in zlib...

user_migrate: Local file disclosure - ownCloud

Incomplete blacklist vulnerability in lib/migrate.php in ownCloud before 4.0.13 and 4.5.8 allows an authenticated remote attacker to import arbitrary files on the server inside his user account. Affected Software ownCloud Server 4.5.8 CVE-2013-1851 ownCloud Server 4.0.13 CVE-2013-1851 Action Take...

Insufficient path validation in Android App - ownCloud

Due to missing file path sanitation an attacker could read from and write to the Android app’s internal storage...

XSS vulnerability in user_webdavauth - ownCloud

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/ Affected Software ownCloud Server 4.5.2 CVE-2012-5608 Action Taken It is recommended that all instances a...

CSRF in appconfig.php - ownCloud

Cross-site request forgery CSRF vulnerability in core/ajax/appconfig.php in ownCloud before 4.0.7 allows remote attackers to hijack the authentication of administrators for requests that edit the app configurations. Affected Software ownCloud Server 4.0.7 CVE-2012-4391 Action Taken It is...

Incomplete blacklist vulnerability - ownCloud

Incomplete blacklist vulnerability in ownCloud before 5.0.6 allows authenticated remote attackers to execute arbitrary PHP code by uploading a crafted file and accessing an uploaded PHP file. Note: Successful exploitation requires that the /data/ directory is stored inside the webroot and a...

Improper authorization checks in contacts - ownCloud

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. Affected Software ownCloud Server 6.0.3 CVE-2014-3834 Action Taken We reviewed the access-control of the contacts application and ensured that...

Insecure database password generator - ownCloud

Due to using "time" as random source in the ownCloud installation routine, the entropy of the generated PostgreSQL database user password is very low and can be easily guessed. This issue is inside the ownCloud setup routine and is not related to any PostgreSQL vulnerability. Affected Software...

Local file inclusion on MS Windows Platform - ownCloud

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...

Access to internal files through ownCloud Android App - ownCloud

An attacker wich local access to a device with the ownCloud Android app could access internal files of the app...

Insecure OpenID implementation - ownCloud

Due to an insecure OpenID implementation used by useropenid in ownCloud 5 it is possible to log-into a system using an arbitrary OpenID Account without knowing any secret information, i.e. the password, about it by using a malicious OpenID provider. Affected Software ownCloud Server 5.0.15...

Multiple XSS vulnerabilities - ownCloud

Multiple cross-site scripting XSS vulnerabilities in ownCloud 4.5.8 and all prior versions except 4.0.x allow remote attackers to inject arbitrary web script or HTML via the "quota" POST parameter to setquota.php in /core/settings/ajax/ Commits: 2364c79 stable45 Risk: Low Note: Successful...

PHP arbitrary class instantiation in "files_external" - ownCloud

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. Affected Software ownCloud Server 8.1.2 CVE-2015-76...

Server: XXE in multiple third party components

Multiple third party components of ownCloud are vulnerable to XXE attacks, which may lead to: Local File Disclosure Server Side Request Forgery DoS Code Execution depending on the PHP wrappers … The following libraries are affected: ZendFramework: CVE-2014-2052 GetID3: CVE-2014-2053 PHPExcel:...

HTTP header injection - ownCloud

A Header injection vulnerability in ownCloud before 4.0.8 allows remote attackers to perform HTTP Response Splitting attacks to modify expected HTML content from the server via the HTTP url path parameter to index.php. Affected Software ownCloud Server 4.0.8 CVE-2012-5057 Action Taken It is...

Command injection when using external SMB storage - ownCloud

The external legacy SMB storage not using php-libsmbclient of ownCloud was not properly neutralizing all special elements which allows an adversary to execute arbitrary SMB commands. Effectively this allows an attacker to gain access to any file on the system or overwrite it, potentially leading ...

Bypass of file blacklist - ownCloud

A blacklist bypass vulnerability including UTF-8 encoding in file paths in the mentioned ownCloud versions, allows authenticated remote attackers to bypass the file blacklist and upload files such as the .htaccess files. An attacker could leverage this bypass by uploading a .htaccess and execute...

Auth bypass in index.php - ownCloud

ownCloud 4.0.6 and all versions previous to this doesn't sufficiently verify whether a request to appconfig.php was sent by an admin, which allows remote authenticated users to edit app configurations. NOTE: this can be leveraged by unauthenticated remote attackers using CVE-2012-4393. Affected...

Reflected XSS in OCS provider discovery - ownCloud

A Cross-site scripting XSS vulnerability in the OCS discovery provider in ownCloud Servers allows remote attackers to inject arbitrary web script or HTML via the URL resulting in a reflected Cross-Site-Scripting. Since ownCloud employs a strict Content-Security-Policy that forbids inline script...

Server: Bypass of file blacklist on Microsoft Windows Platform

A blacklist bypass vulnerability including UTF-8 encoding in file paths in the mentioned ownCloud Server versions, when running on a Microsoft Windows Platform, allows authenticated remote attackers to bypass the file blacklist and upload files such as the .htaccess files. An attacker could...

Potential local file disclosure - ownCloud

ownCloud offers the OCUtil::getUrlContent to developers. Using this function applications can download content from remote websites. Due to a newly introduced bug in this functionality it was following redirects to other protocols such as file://. Thus, an attacker may be able to gain access to...

Multiple XSS - ownCloud

Due to not sanitising all user provided input the below mentioned ownCloud versions are vulnerable against several XSS attack vectors. ownCloud advises browsers to disable inline JavaScript execution due to the used Content-Security-Policy, this vulnerability is therefore likely not exploitable i...

XSS vulnerability in bookmarks - ownCloud

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/ Affected Software ownCloud Server 4.5.5 CVE-2013-5666 ownCloud Server 4.0.10 CVE-2013-5666 Action Taken It is...

Auth bypass in index.php - ownCloud

index.php before ownCloud 4.0.7 does not properly validate the octoken cookie, which allows remote attackers to bypass authentication via a crafted octoken cookie value. Affected Software ownCloud Server 4.0.7 CVE-2012-4392 Action Taken It is recommended that all instances are upgraded to ownClou...

Credentials potentially leaked to other configured ownCloud instance - ownCloud

A bug in the ownCloud iOS application below version 3.4.4 may leak credentials as well as cookies used for authentication purposes to other configured ownCloud instances. Specifically, the ownCloud iOS application allows users to connect to multiple ownCloud instances offering an easy way to swit...

Multiple stored XSS in "documents" application - ownCloud

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...

Privilege escalation in the contacts application - ownCloud

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...

XSS Vulnerability in MediaElement.js - ownCloud

A cross-site scripting XSS vulnerability in all ownCloud versions prior to 5.0.5 including the 4.5.x branch allows remote attackers to execute arbitrary javascript when a user opens a special crafted URL. This vulnerability exists in the bundled 3rdparty plugin "MediaElement.js", "MediaElement.js...

Server: Multiple XSS vulnerabilities

Multiple cross-site scripting XSS vulnerabilities in ownCloud 4.5.6 and 4.0.11 and all prior versions allow remote attackers to inject arbitrary web script or HTML via the "sitename" and "siteurl" POST parameters to setsites.php in /apps/external/ajax/ CVE-2013-0297 Commits: e0140a stable45,...

URL spoofing in password reset mail - ownCloud

The docker image of the ownCloud server contained a misconfiguration which rendered the ‘trusteddomains’ config useless. This could be abused to spoof the URL in password reset mails...

Multiple XSS vulnerabilities - ownCloud

Multiple cross-site scripting XSS vulnerabilities in ownCloud 5.0.0 allow remote attackers to inject arbitrary web script or HTML via the "newname" POST parameter to renameTag.php in /apps/bookmarks/ajax/ Commits: 1c63eb1 stable5 Risk: Medium Note: Successful exploitation of this stored XSS...

Multiple CSRF vulnerabilities - ownCloud

Multiple cross-site request forgery CSRF vulnerabilities in ownCloud 4.5.6 and 4.0.11 and all prior versions before allows remote attackers to hijack the authentication for users via the “lat” and “lng” POST parameters to guesstimezone.php in /apps/calendar/ajax/settings/ CVE-2013-0299 Commits:...

Insufficiently random values - ownCloud

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...

Improper validation of certificates within the iOS application - ownCloud

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...

Improper validation of certificates when using self-signed certificates - ownCloud

The ownCloud Desktop Client was vulnerable against MITM attacks until version 1.8.2 in combination with self-signed certificates. To be exploitable the following conditions have to be met: The connection to the remote ownCloud server must be secured using a self-signed certificate which the user...

ownCloud Android App lock bypass - ownCloud

An attacker with physical access to the device could bypass the app lock of the ownCloud Android App...

Cross Site Request Forgery in the ocs api

The CSRF token was not properly checked on cookie authenticated requests against the ocs api...

Server: Session Fixation

Due to authenticating a user without invalidating any existing session identifier an attacker has the opportunity to steal authenticated sessions. A successful exploit requires that PHP is configured to accept session parameters via GET. For more information please consult the official advisory...

Server: Login bypass when using user_ldap due to unauthenticated binds

"userldap" in the web-interface called "LDAP user and group backend" is an optional authentication backend for ownCloud for using LDAP users and groups within the ownCloud web application. The ownCloud team has discovered a vulnerability within the "userldap" application which, depending on the...

Server: Insecure Flash Cross Domain policies

Due to insecure Flash Cross Domain policies an attacker might gain access to stored files of the user. For more information please consult the official advisory. This advisory is licensed CC BY-SA 4.0...

Server: Insecure database password generator

Due to using "time" as random source in the ownCloud installation routine, the entropy of the generated PostgreSQL database user password is very low and can be easily guessed. This issue is inside the ownCloud setup routine and is not related to any PostgreSQL vulnerability. For more information...

Server: Reflected XSS in the file list

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. For more information please consult the official advisory. This advisory is licensed CC BY-SA 4.0...

Code execution in /lib/migrate.php - ownCloud

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. Affected Software ownCloud Server 4.0.7 CVE-2012-4389 Action Taken It is...

Stored XSS in "bookmarks" application - ownCloud

Due to not sanitising all user provided input, the "bookmarks" application shipped with the below mentioned ownCloud versions is vulnerable to a stored Cross-site scripting attack. The "bookmarks" application is disabled by default. Abusing this vulnerability requires the user to import a malicio...

Server: Privilege escalation and CSRF in the API

Due to an insufficient permission check, an authenticated attacker is able to execute API commands as administrator. Additionally, an unauthenticated attacker could abuse this flaw as a cross-site request forgery vulnerability. For more information please consult the official advisory. This...