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silverstripe-framework/docs/en/04_Changelogs/3.0.4.md
David Alexander 5c99e33eb2 DOCS 3.1 - fixes broken internal links
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# 3.0.4 (2013-02-19)
## Overview
* Security: Undefined or empty `$allowed_actions` overrides parent definitions
* Security: Information leakage through web access on YAML configuration files
* Security: Information leakage through web access on composer files
* Security: Require ADMIN permissions for `?showtemplate=1`
* Security: Reflected XSS in custom date/time formats in admin/security
* Security: Stored XSS in the "New Group" dialog
* Security: Reflected XSS in CMS status messages
* API: More restrictive `$allowed_actions` checks for `Controller` when used with `Extension`
* Changed `dev/tests/setdb` and `dev/tests/startsession` from session to cookie storage.
## Details
### Security: Undefined or empty `$allowed_actions` overrides parent definitions
Severity: Important
Description: `Controller` (and subclasses) failed to enforce `$allowed_action` restrictions
on parent classes if a child class didn't have it explicitly defined, or it is set to an empty array.
Since this is the default configuration on `Page_Controller`, most SilverStripe installations
will be affected.
Impact: Depends on the used controller code. For any method with public visibility,
the flaw can expose the return value of the method (unless it fails due to wrong arguments).
It can also lead to unauthorized or unintended execution of logic, e.g. modifying the
state of a database record.
Fix: Apply 3.0.4 update. In addition, we strongly recommend to define `$allowed_actions`
on all controller classes to ensure the intentions are clearly communicated.
Read more about `$allowed_actions` in our "[controller](/developer_guides/controllers/access_control)"
docs.
Reporter: Zann St Pierre
### Security: Information exposure through web access on YAML configuration files
Severity: Moderate
Description: YAML files are used to configure the SilverStripe application
since its 3.0 release. These files can contain sensitive values such as database
and API credentials. By default, the installer still stores database credentials
in `_config.php` files which are safe from web access. So this only concerns
configuration values added in your own project, or a third party module.
Resolution: Update your `.htaccess` file (for Apache), or your `web.config` file (for IIS)
with the new files from the project root, and reapply any customizations you've made.
Follow the [general upgrade instructions](/installation/upgrading).
The [nginx installation instructions](/getting_started/installation/how_to/configure_nginx)
have also been updated to reflect those changes.
### Security: Information exposure through web access on composer files
Severity: Low
Description: [Composer](http://getcomposer.org) is a dependency management
tool which can optionally be used to install SilverStripe. The `composer.json`
and `composer.lock` files are required for its operation, so they are included
in the standard release since 3.0.2. These files contain information on the installed
versions of core and thirdparty modules, which could be used to target specific
versions of SilverStripe.
Resolution: Update your `.htaccess` file (for Apache), or your `web.config` file (for IIS)
with the new files from the project root, and reapply any customizations you've made.
Follow the [general upgrade instructions](/upgrading).
The [nginx installation instructions](/getting_started/installation/how_to/configure_nginx)
have also been updated to reflect those changes.
### Security: Require ADMIN permissions for `?showtemplate=1`
Severity: Low
Description: Avoids information leakage of compiled template data,
which might expose some of the internal template logic.
### Security: Reflected XSS in custom date/time formats in admin/security
Severity: Low
Prerequisite: An attacker must have access to the admin interface.
Description: When creating a new user on the security page
(Security->New User) within the admin interface, the user input
is not properly validated and not encoded. A reflected XSS is
possible within the `DateFormat_custom` and `TimeFormat_custom` fields.
Credits: Andreas Hunkeler (Compass Security AG, http://www.csnc.ch)
### Security: Stored XSS in the "New Group" dialog
Severity: Low
Prerequisite: An attacker must have access to the admin interface.
Description: There is a stored XSS vulnerability on the "group" tab on the
security page in the admin interface
(Security -> Groups -> New Group). It's possible to store a
XSS within the group name. Everywhere where these group names
are used, the XSS is executed. E.g. "New User" or "New Group".
Credits: Andreas Hunkeler (Compass Security AG, http://www.csnc.ch)
### Security: XSS in CMS status messages
Severity: Low
Prerequisite: An attacker must have access to the admin interface.
Description: Any data returned to CMS status messages (Growl-style popovers on top right)
was not escaped, allowing XSS e.g. when publishing a page with
a specifically crafted "Title" field.
Credits: Andreas Hunkeler (Compass Security AG, http://www.csnc.ch)
### API: More restrictive `$allowed_actions` checks for `Controller` when used with `Extension`
Controllers which are extended with `$allowed_actions` (through an `Extension`)
now deny access to methods defined on the controller, unless this class also has them in its own
`$allowed_actions` definition.
## Upgrading
* If you are using `dev/tests/setdb` and `dev/tests/startsession`,
you'll need to configure a secure token in order to encrypt the cookie value:
Simply run `sake dev/generatesecuretoken` and add the resulting code to your `mysite/_config.php`.
Note that this functionality now requires the PHP `mcrypt` extension.
## Changelog
### API Changes
* 2013-02-15 [2352317](https://github.com/silverstripe/silverstripe-installer/commit/2352317) Filter composer files in IIS and Apache rules (fixes #8011) (Ingo Schommer)
* 2013-02-12 [d969e29](https://github.com/silverstripe/sapphire/commit/d969e29) Require ADMIN for ?showtemplate=1 (Ingo Schommer)
* 2013-02-12 [45c68d6](https://github.com/silverstripe/sapphire/commit/45c68d6) Require ADMIN for ?showtemplate=1 (Ingo Schommer)
* 2013-01-23 [c69381c](https://github.com/silverstripe/sapphire/commit/c69381c) Remove Content-Length setting from HTTPResponse (fixes #8010) (Ingo Schommer)
* 2012-12-11 [10d447e](https://github.com/silverstripe/silverstripe-installer/commit/10d447e) Removed 'make getallmodules', use composer instead (Ingo Schommer)
* 2012-12-10 [efa9ff9](https://github.com/silverstripe/sapphire/commit/efa9ff9) Queries added by DataList::addInnerJoin() and DataList::leftJoin() come after the base joins, not before. (stojg)
* 2012-12-06 [c6b1d4a](https://github.com/silverstripe/sapphire/commit/c6b1d4a) Storing alternative DB name in cookie rather than session (Ingo Schommer)
* 2012-11-29 [f49f1ff](https://github.com/silverstripe/sapphire/commit/f49f1ff) Rename Transliterator to SS_Transliterator to remove conflict with Intl extension (Simon Welsh)
* 2012-11-19 [96e56a8](https://github.com/silverstripe/silverstripe-installer/commit/96e56a8) Removed 'new-project' command (Ingo Schommer)
* 2012-11-19 [8b68644](https://github.com/silverstripe/silverstripe-installer/commit/8b68644) Moved build tools to new silverstripe-buildtools module (Ingo Schommer)
* 2012-11-09 [22095da](https://github.com/silverstripe/sapphire/commit/22095da) Hash autologin tokens before storing in the database. (Mateusz Uzdowski)
* 2011-03-16 [d8bfc0b](https://github.com/silverstripe/sapphire/commit/d8bfc0b) Added Security::set_login_url() so that you can define an alternative log-in page if you have made one yourself. (Sam Minnee)
* 2011-03-16 [f546979](https://github.com/silverstripe/sapphire/commit/f546979) Add a PermissionFailureException that can be thrown to trigger a log-in. (Sam Minnee)
### Features and Enhancements
* 2013-02-05 [f0621cd](https://github.com/silverstripe/sapphire/commit/f0621cd) Added ability to query size of Varchar (Daniel Hensby)
* 2013-02-01 [119d8aa](https://github.com/silverstripe/silverstripe-cms/commit/119d8aa) Do not display SilverStripeNavigator_CMSLink when in a LeftAndMain extension not just CMSMain extensions (UndefinedOffset)
* 2013-01-11 [5b450f7](https://github.com/silverstripe/sapphire/commit/5b450f7) Added replaceExistingFile setting for UploadField. (Sam Minnee)
* 2013-01-11 [cc7318f](https://github.com/silverstripe/sapphire/commit/cc7318f) Added canAttachExisting config option for UploadField. (Sam Minnee)
* 2013-01-10 [5e6f5f9](https://github.com/silverstripe/sapphire/commit/5e6f5f9) Allow configuration of send_all_emails_to, ccs_all_emails_to, and bcc_all_emails_to via the config system. (Sam Minnee)
* 2013-01-09 [67c5db3](https://github.com/silverstripe/sapphire/commit/67c5db3) Global default config for UploadField (Ingo Schommer)
* 2013-01-09 [2dfd427](https://github.com/silverstripe/sapphire/commit/2dfd427) Restrict upload abilities in UploadField (Ingo Schommer)
* 2013-01-07 [abbee41](https://github.com/silverstripe/sapphire/commit/abbee41) Add ReadonlyField::setIncludeHiddenField() (Sam Minnee)
* 2012-12-07 [e8fbfc0](https://github.com/silverstripe/sapphire/commit/e8fbfc0) FixtureFactory separated out from YamlFixture (Ingo Schommer)
* 2012-11-15 [e07ae20](https://github.com/silverstripe/silverstripe-installer/commit/e07ae20) Added "phing phpunit" target (Ingo Schommer)
* 2012-11-09 [32f829d](https://github.com/silverstripe/sapphire/commit/32f829d) Support for Behat tests, and initial set of tests (Ingo Schommer)
* 2012-11-09 [9841d5b](https://github.com/silverstripe/silverstripe-cms/commit/9841d5b) Added Behat tests (Ingo Schommer)
* 2012-10-24 [ea2dc9d](https://github.com/silverstripe/sapphire/commit/ea2dc9d) Add ability to change URL for SS logo in CMS Menu (Loz Calver)
* 2012-10-16 [c4dde90](https://github.com/silverstripe/sapphire/commit/c4dde90) Allow hashes to be passed as ArrayList items; the will be turned into ArrayData objects. (Sam Minnee)
* 2011-09-29 [2916f20](https://github.com/silverstripe/sapphire/commit/2916f20) Improve HTTP caching logic to automatically disable caching for requests that use the session. (Hamish Friedlander)
* 2011-03-02 [c3a3ff4](https://github.com/silverstripe/sapphire/commit/c3a3ff4) Added Email::send_all_emails_from() setting. (Sam Minnee)
### Bugfixes
* 2013-02-17 [ede3813](https://github.com/silverstripe/sapphire/commit/ede3813) Secure composer files from web access (fixes #8011) (Ingo Schommer)
* 2013-02-17 [e21bd49](https://github.com/silverstripe/sapphire/commit/e21bd49) TimeField respects user choice (fixes #8260) (Ingo Schommer)
* 2013-02-07 [79eacb2](https://github.com/silverstripe/sapphire/commit/79eacb2) Group->canEdit() correct non-admin checks (fixes #8250) (Ingo Schommer)
* 2013-02-04 [857d8bb](https://github.com/silverstripe/sapphire/commit/857d8bb) Don't escape values on TreeDropdownField readonly views (Ingo Schommer)
* 2013-02-04 [97fbfd3](https://github.com/silverstripe/silverstripe-cms/commit/97fbfd3) Respect escaping rules on readonly fields in CMS history view (Ingo Schommer)
* 2013-02-04 [e56a78b](https://github.com/silverstripe/silverstripe-cms/commit/e56a78b) updateCMSFields not accepting var by reference (Michael Andrewartha)
* 2013-02-04 [866bb07](https://github.com/silverstripe/sapphire/commit/866bb07) validate doesn't take var by reference (Michael Andrewartha)
* 2013-02-04 [1960df8](https://github.com/silverstripe/sapphire/commit/1960df8) Strict error warnings on DataExtension (Michael Andrewartha)
* 2013-01-31 [1bb1090](https://github.com/silverstripe/sapphire/commit/1bb1090) Node updates in IE without non-object error (Ingo Schommer)
* 2013-01-30 [c9f728f](https://github.com/silverstripe/sapphire/commit/c9f728f) Only check the remember token if a user exists (Simon Welsh)
* 2013-01-24 [f574979](https://github.com/silverstripe/sapphire/commit/f574979) Exception handling and email notification mechanism now correctly considers the stacktrace as provided by the exceptionHandler function, instead of attempting to perform a debug_backtrace further down the reporting chain (which ends up generating an unnecessarily nested stacktrace). Debug was cleaned up so that errorHandler and exceptionHandler both act consistently. As a result, the LogErrorEmailFormatter class could be simplified. (Damian Mooyman)
* 2013-01-23 [45eb0f9](https://github.com/silverstripe/sapphire/commit/45eb0f9) PHPUnit latest not working with composer installed builds (Hamish Friedlander)
* 2013-01-21 [5d37d55](https://github.com/silverstripe/sapphire/commit/5d37d55) Form session message clearing regression (Ingo Schommer)
* 2013-01-18 [0c9b216](https://github.com/silverstripe/sapphire/commit/0c9b216) Escape the -f argument passed to mail() (Sam Minnee)
* 2013-01-17 [e74ec57](https://github.com/silverstripe/sapphire/commit/e74ec57) Permission checkbox display on members (fixes #8193) (Ingo Schommer)
* 2013-01-15 [a70df3e](https://github.com/silverstripe/sapphire/commit/a70df3e) PaginatedList deprecated method was calling non-existent method (Jeremy Thomerson)
* 2013-01-15 [014f541](https://github.com/silverstripe/sapphire/commit/014f541) Regression in Form->clearMessage() (fixes #8186) (Ingo Schommer)
* 2013-01-15 [64d3a3d](https://github.com/silverstripe/sapphire/commit/64d3a3d) Don't double unescape URLs in history.js (fixes #8170) (Ingo Schommer)
* 2013-01-15 [420c639](https://github.com/silverstripe/sapphire/commit/420c639) Properly show link for showing and hiding class spec in model admin (jean)
* 2013-01-15 [f06ba70](https://github.com/silverstripe/sapphire/commit/f06ba70) Undefined `$allowed_actions` overrides parent definitions, stricter handling of $allowed_actions on Extension (Ingo Schommer)
* 2013-01-11 [e020c7b](https://github.com/silverstripe/sapphire/commit/e020c7b) doSave() and doDelete() should use translated singular name (uniun)
* 2013-01-11 [f8758ba](https://github.com/silverstripe/sapphire/commit/f8758ba) Fixed margins so that margin is displayed between preview images and their title. (Sam Minnee)
* 2013-01-11 [2fdd9a3](https://github.com/silverstripe/sapphire/commit/2fdd9a3) Allow images attached to UploadFields to be unlinked without File::canEdit() or File::canDelete() permission. (Sam Minnee)
* 2013-01-11 [f4efaee](https://github.com/silverstripe/sapphire/commit/f4efaee) Fix DataObject::get_one() when the classname is passed with improper casing. (Sam Minnee)
* 2013-01-06 [30096ee](https://github.com/silverstripe/sapphire/commit/30096ee) Keep Member.PasswordEncryption setting on empty passwords (Ingo Schommer)
* 2013-01-04 [f8bbc0a](https://github.com/silverstripe/sapphire/commit/f8bbc0a) Escape HTML in DropdownField and ListboxField (Ingo Schommer)
* 2013-01-04 [604ede3](https://github.com/silverstripe/sapphire/commit/604ede3) Escape HTML in CMS status messages (Ingo Schommer)
* 2013-01-04 [7bb0bbf](https://github.com/silverstripe/sapphire/commit/7bb0bbf) Fixed XSS in admin/security and "My Profile" forms (Ingo Schommer)
* 2012-12-21 [f0f83b2](https://github.com/silverstripe/sapphire/commit/f0f83b2) Graceful handling of sprintf with too few params in i18n::_t() (Ingo Schommer)
* 2012-12-19 [22efd38](https://github.com/silverstripe/sapphire/commit/22efd38) Calling DataObject::relField() on a object with an empty relation list (Stig Lindqvist)
* 2012-12-18 [6aba24b](https://github.com/silverstripe/sapphire/commit/6aba24b) removeRequiredField() should use array_splice() instead of unset() (uniun)
* 2012-12-18 [d5a1c3d](https://github.com/silverstripe/sapphire/commit/d5a1c3d) SS has problems handling + in URLs. Filter them out. (Mateusz Uzdowski)
* 2012-12-14 [55b611d](https://github.com/silverstripe/sapphire/commit/55b611d) Hardcoded project name in include_by_locale() (uniun)
* 2012-12-13 [d42c004](https://github.com/silverstripe/silverstripe-cms/commit/d42c004) Fixed pagination functionality on root assets folder (Niklas Forsdahl)
* 2012-12-12 [639cc02](https://github.com/silverstripe/sapphire/commit/639cc02) Fix insert media form inserting images from other UploadFields (fixes #8051) (Loz Calver)
* 2012-12-11 [f431b35](https://github.com/silverstripe/sapphire/commit/f431b35) Confirmed Password Field now copies attributes to child fields. (Justin Martin)
* 2012-12-07 [4f63f91](https://github.com/silverstripe/sapphire/commit/4f63f91) Fixed issue with convertServiceProperty (Marcus Nyeholt)
* 2012-12-06 [1a4eaaa](https://github.com/silverstripe/sapphire/commit/1a4eaaa) Ensure has length before using string index access. (Simon Elvery)
* 2012-12-05 [205ee42](https://github.com/silverstripe/sapphire/commit/205ee42) Make sure a message is set on ValidationException objects. (Simon Elvery)
* 2012-12-05 [c0751df](https://github.com/silverstripe/silverstripe-cms/commit/c0751df) Remove handwritten SQL and use the ORM. (Mateusz Uzdowski)
* 2012-12-04 [0be51a9](https://github.com/silverstripe/sapphire/commit/0be51a9) Fix ModelAdmin search (fixes #8052) (Ingo Schommer)
* 2012-12-04 [1a4b245](https://github.com/silverstripe/sapphire/commit/1a4b245) Fix rewriteHashlinks in TabSet (Marcus Nyeholt)
* 2012-12-04 [3478813](https://github.com/silverstripe/sapphire/commit/3478813) Rewrite hashlinks failing on empty a tags (Marcus Nyeholt)
* 2012-11-26 [40a1a35](https://github.com/silverstripe/silverstripe-cms/commit/40a1a35) Namespaces for CmsFormsContext and CmsUiContext are wrong (Kirk Mayo)
* 2012-11-23 [4310718](https://github.com/silverstripe/sapphire/commit/4310718) Insert Media, inserts all previous media (fixes #7545) (UndefinedOffset)
* 2012-11-23 [453d04e](https://github.com/silverstripe/sapphire/commit/453d04e) Reset DataObject caches in SapphireTest->resetDBSchema() (Ingo Schommer)
* 2012-11-23 [a3cd7dd](https://github.com/silverstripe/sapphire/commit/a3cd7dd) Force SapphireTest schema reset for extension changes (Ingo Schommer)
* 2012-11-21 [41aec54](https://github.com/silverstripe/silverstripe-cms/commit/41aec54) Consistently use FormResponse in CMS JavaScript (fixes #8036) (Ingo Schommer)
* 2012-11-20 [8f89aa9](https://github.com/silverstripe/sapphire/commit/8f89aa9) only call filemtime if file exists (Sander van Dragt)
* 2012-11-16 [76c63fe](https://github.com/silverstripe/sapphire/commit/76c63fe) Fixed issue with SQLQuery::lastRow crashing on empty set. Added test cases for lastRow and firstRow. (Damian Mooyman)
* 2012-11-15 [c6fcb08](https://github.com/silverstripe/sapphire/commit/c6fcb08) Video embed from Add Media Feature no longer works (open #8033) (stojg)
* 2012-11-14 [91e48b8](https://github.com/silverstripe/silverstripe-cms/commit/91e48b8) Provide fallback text for translations. (Simon Elvery)
* 2012-11-12 [2657a27](https://github.com/silverstripe/sapphire/commit/2657a27) Adjust the handler to jQuery UI 1.9 API change. (Mateusz Uzdowski)
* 2012-11-12 [b6017a7](https://github.com/silverstripe/sapphire/commit/b6017a7) ArrayList now discards keys of the array passed in and keeps the numerically indexed array sequential. This fixes FirstLast and EvenOdd in templates, and makes ArrayList more consistent, as several methods already discarded the keys. (Andrew O'Neil)
* 2012-11-12 [d58b23d](https://github.com/silverstripe/silverstripe-cms/commit/d58b23d) AssetAdmin filter array indices (fixes #8014) (Kirk Mayo)
* 2012-11-09 [434759c](https://github.com/silverstripe/sapphire/commit/434759c) Correct redirection URL on deletion in GridFieldDetailForm (Ingo Schommer)
* 2012-11-08 [6882635](https://github.com/silverstripe/sapphire/commit/6882635) Fixing non-object on file upload (Sean Harvey)
* 2012-11-08 [6a69a2f](https://github.com/silverstripe/silverstripe-cms/commit/6a69a2f) Ensure required lang and css are loaded when using SiteTreeURLSegmentField (Simon Elvery)
* 2012-02-09 [c048a01](https://github.com/silverstripe/sapphire/commit/c048a01) Avoid infinite redirection when logging out and when showing a custom login page after displaying the draft version of a page. (jean)
* 2011-12-12 [1e1df8c](https://github.com/silverstripe/sapphire/commit/1e1df8c) Improved detection of empty HTMLText fields. (Sam Minnee)
* 2011-09-30 [f41a7d8](https://github.com/silverstripe/sapphire/commit/f41a7d8) Fix issue with not being able to log out on Chrome when caching enabled because of Chrome bug (Hamish Friedlander)
* 2011-09-01 [9a2ba48](https://github.com/silverstripe/sapphire/commit/9a2ba48) Made CSRF-error wording friendlier. (Sam Minnee)
* 2011-08-31 [729bcc9](https://github.com/silverstripe/sapphire/commit/729bcc9) Don't clear form messages unless forTemplate() is actually called. BUGFIX: Clear session-stored form data as well as form error message. (Sam Minnee)
* 2011-08-18 [5f9348b](https://github.com/silverstripe/sapphire/commit/5f9348b) Ensure that Security views respect redirections triggered by Page_Controller::init() (Sam Minnee)
* 2011-07-07 [b114aa2](https://github.com/silverstripe/sapphire/commit/b114aa2) Added X-Forwarded-Protocol and User-Agent to Vary header. (Sam Minnee)
* 2011-05-26 [55f3ec1](https://github.com/silverstripe/sapphire/commit/55f3ec1) Added error message fields to default search form (Jean-Fabien)
* 2011-05-23 [7026a48](https://github.com/silverstripe/sapphire/commit/7026a48) for date manipulation use the SS_Datetime::now, otherwise it does not respect the mock date. (Mateusz Uzdowski)
* 2011-05-21 [b7a1db7](https://github.com/silverstripe/sapphire/commit/b7a1db7) Set up the test mailer before loading the fixture, in case fixture-creation causes emails to be generated. (Sam Minnee)
* 2011-04-29 [47e037e](https://github.com/silverstripe/sapphire/commit/47e037e) Removed notice-level error after forms w/ required fields are made readonly. (Sam Minnee)
* 2011-04-20 [33a1fc7](https://github.com/silverstripe/sapphire/commit/33a1fc7) Fixed operation of inlined images in Mailer, when no inlined images actually attached. (Carlos Barberis)
* 2011-04-18 [f8206d1](https://github.com/silverstripe/sapphire/commit/f8206d1) Prevent notice-level error in Session code when non-array is turned into an array. (Sam Minnee)
* 2011-03-15 [6fcbad1](https://github.com/silverstripe/sapphire/commit/6fcbad1) Updated SilverStripe error handler so that log_errors still works. (Sam Minnee)
* 2011-03-11 [82988d4](https://github.com/silverstripe/sapphire/commit/82988d4) Better error message when 401 response is corrupted. (Sam Minnee)
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