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# CHANGELOG ## 2.4.13 (2017-07-13) - Restores php 5.3 compat in HeaderValue. ## 2.4.12 (2017-06-19) - Fix signature issue with AbstractContainer::offsetGet ## 2.4.11 (2016-12-19) - Fixes ZF2016-04 vulnerability ## 2.4.10 (2016-05-09) - Fix HeaderValue throwing an exception on legal characters ## 2.4.9 (2015-11-23) ### SECURITY UPDATES - **ZF2015-09**: `Zend\Captcha\Word` generates a "word" for a CAPTCHA challenge by selecting a sequence of random letters from a character set. Prior to this vulnerability announcement, the selection was performed using PHP's internal `array_rand()` function. This function does not generate sufficient entropy due to its usage of `rand()` instead of more cryptographically secure methods such as `openssl_pseudo_random_bytes()`. This could potentially lead to information disclosure should an attacker be able to brute force the random number generation. This release contains a patch that replaces the `array_rand()` calls to use `Zend\Math\Rand::getInteger()`, which provides better RNG. - **ZF2015-10**: `Zend\Crypt\PublicKey\Rsa\PublicKey` has a call to `openssl_public_encrypt()` which used PHP's default `$padding` argument, which specifies `OPENSSL_PKCS1_PADDING`, indicating usage of PKCS1v1.5 padding. This padding has a known vulnerability, the [Bleichenbacher's chosen-ciphertext attack](http://crypto.stackexchange.com/questions/12688/can-you-explain-bleichenbachers-cca-attack-on-pkcs1-v1-5), which can be used to recover an RSA private key. This release contains a patch that changes the padding argument to use `OPENSSL_PKCS1_OAEP_PADDING`. Users upgrading to this version may have issues decrypting previously stored values, due to the change in padding. If this occurs, you can pass the constant `OPENSSL_PKCS1_PADDING` to a new `$padding` argument in `Zend\Crypt\PublicKey\Rsa::encrypt()` and `decrypt()` (though typically this should only apply to the latter): ```php $decrypted = $rsa->decrypt($data, $key, $mode, OPENSSL_PKCS1_PADDING); ``` where `$rsa` is an instance of `Zend\Crypt\PublicKey\Rsa`. (The `$key` and `$mode` argument defaults are `null` and `Zend\Crypt\PublicKey\Rsa::MODE_AUTO`, if you were not using them previously.) We recommend re-encrypting any such values using the new defaults. ## 2.4.8 (2015-09-15) - [zend-validator/25: validate against DateTimeImmutable instead of DateTimeInterface](https://github.com/zendframework/zend-validator/pull/25) - [zend-validator/35: treat 0.0 as non-empty, restoring pre-2.4 behavior](https://github.com/zendframework/zend-validator/pull/35) - [zend-inputfilter/26: deprecate "magic" logic for auto-attaching NonEmpty validators in favor of explicit attachment](https://github.com/zendframework/zend-inputfilter/pull/26) - [zend-inputfilter/22: ensure fallback values work as per pre-2.4 behavior](https://github.com/zendframework/zend-inputfilter/pull/22) - [zend-inputfilter/31: update the InputFilterInterface::add() docblock to match implementations](https://github.com/zendframework/zend-inputfilter/pull/31) - [zend-inputfilter/25: Fix how missing optoinal fields are validated to match pre 2.4.0 behavior](https://github.com/zendframework/zend-inputfilter/pull/26) - [zend-form/12: deprecate AllowEmpty and ContinueIfEmpty annotations, per zend-inputfilter#26](https://github.com/zendframework/zend-form/pull/12) - [zend-form/9: fix typos in aria attribute names of AbstractHelper](https://github.com/zendframework/zend-form/pull/9) - [zend-mail/26: fixes the ContentType header to properly handle encoded parameter values](https://github.com/zendframework/zend-mail/pull/26) - [zend-mail/11: fixes the Sender header to allow mailbox addresses without TLDs](https://github.com/zendframework/zend-mail/pull/11) - [zend-mail/24: fixes parsing of messages that contain an initial blank line before headers](https://github.com/zendframework/zend-mail/pull/24) - [zend-http/23: fixes the SetCookie header to allow multiline values (as they are always encoded)](https://github.com/zendframework/zend-http/pull/23) - [zend-mvc/27: fixes DefaultRenderingStrategy errors due to controllers returning non-view model results](https://github.com/zendframework/zend-mvc/pull/27) ### SECURITY UPDATES - **ZF2015-07**: The filesystem storage adapter of `Zend\Cache` was creating directories with a liberal umask that could lead to local arbitrary code execution and/or local privilege escalation. This release contains a patch that ensures the directories are created using permissions of 0775 and files using 0664 (essentially umask 0002). ## 2.4.7 (2015-08-11) - [15: validateInputs must allow ArrayAccess for $data](https://github.com/zendframework/zend-inputfilter/pull/15) ## 2.4.6 (2015-08-03) - Take fallback value into account