309 matches found
Server: Full installation path disclosure through error message
ownCloud returns exception error messages to the user in two different places, allowing an authenticated adversary to gain information about the installation path of the ownCloud instance. There is no further information disclosure. For more information please consult the official advisory. This...
Calendar export: Authorization Bypass Through User-Controlled Key - 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 8.1.1 CVE-2015-6670 ownCloud Server 8.0.6 CVE-2015-6670 ownCloud Serve...
Server: Potential local file disclosure
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...
Improper authorization checks in core - ownCloud
Due to an improper authorization check in core an attacker with access to at least two user account is able to access the file names of other users. Our post-mortem audit showed that this vulnerability does not leak any content of the file or the directory structure except the filename. Affected...
Local file inclusion in core - 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. Depending on the ownCloud configuration and the authentication state of a remote attacker this...
Server: XSS Vulnerability in jPlayer
A cross-site scripting XSS vulnerability in all ownCloud versions prior to 5.0.5 including the 4.0.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 "jPlayer", "jPlayer" released versi...
Multiple XSS vulnerabilities - ownCloud
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,...
Server: Reflected XSS in OCS provider discovery
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: Multiple stored XSS in "contacts" application
Due to not sanitising all user provided input, the "contacts" application shipped with the mentioned ownCloud versions is vulnerable to multiple stored cross-site scripting attacks. The "contacts" application is enabled by default in the ownCloud Community Edition but not shipped with the ownClou...
Server: Password autocompletion
Index.php aka the login page contains a form that does not disable the autocomplete setting for the password parameter, which makes it easier for local users or physically proximate attackers to obtain the password from web browsers that support autocomplete. For more information please consult t...
XSS Vulnerability in jPlayer - ownCloud
A cross-site scripting XSS vulnerability in all ownCloud versions prior to 5.0.5 including the 4.0.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 "jPlayer", "jPlayer" released versi...
Auth bypass in /lib/base.php - ownCloud
/lib/base.php before ownCloud 4.0.8 does not properly validate the userid session variable via WebDAV, which allows authenticated attackers to gain access to other users files. Affected Software ownCloud Server 4.0.8 CVE-2012-5336 Action Taken It is recommended that all instances are upgraded to...
Server: Auth bypass in /lib/base.php
/lib/base.php before ownCloud 4.0.8 does not properly validate the userid session variable via WebDAV, which allows authenticated attackers to gain access to other users files. For more information please consult the official advisory. This advisory is licensed CC BY-SA 4.0...
Server: Multiple reflected XSS
Multiple cross-site scripting XSS vulnerabilities in ownCloud before 4.0.2 allow remote attackers to inject arbitrary web script or HTML via file names to apps/userldap/settings.php url or title parameter to apps/bookmarks/ajax/editBookmark.php tag or page parameter to...
Information disclosure in settings UI and API responses - ownCloud
The settings page and some API responses of a few ownCloud apps contained plaintext credentials...
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 directories but not the containing files existing on the filesystem. However, it is not possible to...
Server: Incomplete blacklist vulnerability
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...
Server: Multiple SQL injection
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: Reflected XSS
Cross-site scripting XSS vulnerability in index.php in ownCloud before 4.0.3 allows remote attackers to inject arbitrary web script or HTML via the redirecturl parameter. For more information please consult the official advisory. This advisory is licensed CC BY-SA 4.0...
Desktop Client: Improper validation of certificates when using self-signed certificates
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...
Server: Bypass of file blacklist
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...
Server: Multiple XSS vulnerabilities
Cross-site scripting XSS vulnerabilities in js/viewer.js inside the filesvideoviewer application via multiple unspecified vectors in all ownCloud versions prior to 5.0.7 and 4.5.12 allows authenticated remote attackers to inject arbitrary web script or HTML via shared files. CVE-2013-2150...
Server: Privilege escalation in the calendar application
Due to not properly checking the ownership of an calendar, an authenticated attacker is able to download calendars of other users via the "calendarid" GET parameter to /apps/calendar/ajax/events.php Note: Successful exploitation of this privilege escalation requires the "calendar" app to be enabl...
Server: user_migrate: Local file disclosure
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. For more information please consult the official advisory. This advisory is licensed CC BY-SA 4.0...
Server: Multiple code executions
A code executions vulnerability in ownCloud 4.5.6 and 4.0.11 and all prior versions allow authenticated remote attackers to execute arbitrary PHP code via unspecified POST parameters to translations.php in /core/ajax/ Commits: 74e73bc stable4, ece08cd stable45 Risk: Critical A code executions...
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...
Mobile App: Credentials potentially leaked to other configured ownCloud instance
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...
Host Header Poisoning - ownCloud
Due to trusting user supplied input and interpret it as Host header an attacker is able to craft a password reset mail with a link pointing to his own site. If a user clicks on the link or a software e.g. antivirus is accessing the link the attacker is able to reset the user password. Affected...
Server: XSS Vulnerability in MediaElement.js
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 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...
Server: Timing attack on the password reset
The "Lost Password" implementation is vulnerable to a Remote Timing Attack. The token used to secure the password reset is fetched from the database and compared to the user-specified value using the equals operator. An attacker successfully rebuilding the token can then specify an arbitrary...
Server: Disclosure of files that begin with ".v" due to unchecked return value
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: Command injection when using external SMB storage
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 ...
Server: Resource Exthaustion when sanitizing filenames
The sanitization component for filenames was vulnerable to DoS when parsing specially crafted file names passed via specific endpoints. Effectively this lead to a endless loop filling the log file until the system is not anymore responsive. For more information please consult the official advisor...
Server: Command injection when using external SMB storage
The external SMB storage of ownCloud was not properly neutralizing all special elements which allows an adversary to execute arbitrary SMB commands. This was caused by improperly sanitizing the ; character which is interpreted as command separator by smbclient the used software to connect to SMB...
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...
XSS in Error Page - ownCloud security advisory
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 Neutralization of Input During Web Page Generation âCross-site Scriptingâ CWE-79 HackerOne report: 215410...
Server: Login bypass when using the external FTP user backend
ownCloud provides multiple user backends that can be used to authenticate users. One of those backend providers is "userexternal", which authenticates users against FTP, IMAP or SMB servers. This is mainly useful when it is not possible to authenticate against an LDAP server. The FTP backend...
Server: CSRF in "bookmarks" application
Due to not verifying the CSRF token on the import functionality of the "bookmarks" application, it was vulnerable against CSRF attacks. The "bookmarks" application is disabled by default. An unauthenticated attacker could have used this to import bookmarks into the "bookmarks" application if the...
Server: Improper authorization checks in files_external
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. For more information please consult the official advisory. This advisory is licensed CC BY-SA 4.0...
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: Multiple XSS vulnerabilities
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...
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 Side Request Forgery (SSRF) through user_ldap app - ownCloud
Server Side Request Forgery SSRF vulnerability in the settings of the userldap app. Administration role is necessary for exploitation...
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: 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...
Server: Stored XSS in "bookmarks" application
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...
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...
Session Fixation - ownCloud
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. Affected Software ownCloud Server 6.0.2 CVE-2014-2047 Actio...