From 037af6890fe6fdb84a08d3c86083e847c90ec0ad Mon Sep 17 00:00:00 2001 From: Aleksander Machniak <alec@alec.pl> Date: Tue, 22 Oct 2013 08:17:26 -0400 Subject: [PATCH] Fix vulnerability in handling _session argument of utils/save-prefs (#1489382) --- program/lib/Mail/mimePart.php | 82 ++++++++++++++++++++++++++++++++-------- 1 files changed, 65 insertions(+), 17 deletions(-) diff --git a/program/lib/Mail/mimePart.php b/program/lib/Mail/mimePart.php index 821990e..f3e75dd 100644 --- a/program/lib/Mail/mimePart.php +++ b/program/lib/Mail/mimePart.php @@ -48,7 +48,7 @@ * @author Aleksander Machniak <alec@php.net> * @copyright 2003-2006 PEAR <pear-group@php.net> * @license http://www.opensource.org/licenses/bsd-license.php BSD License - * @version CVS: $Id$ + * @version Release: 1.8.7 * @link http://pear.php.net/package/Mail_mime */ @@ -70,7 +70,7 @@ * @author Aleksander Machniak <alec@php.net> * @copyright 2003-2006 PEAR <pear-group@php.net> * @license http://www.opensource.org/licenses/bsd-license.php BSD License - * @version Release: @package_version@ + * @version Release: 1.8.7 * @link http://pear.php.net/package/Mail_mime */ class Mail_mimePart @@ -156,6 +156,8 @@ * headers_charset - Charset of the headers e.g. filename, description. * If not set, 'charset' will be used * eol - End of line sequence. Default: "\r\n" + * headers - Hash array with additional part headers. Array keys can be + * in form of <header_name>:<parameter_name> * body_file - Location of file with part's body (instead of $body) * * @access public @@ -166,6 +168,11 @@ $this->_eol = $params['eol']; } else if (defined('MAIL_MIMEPART_CRLF')) { // backward-copat. $this->_eol = MAIL_MIMEPART_CRLF; + } + + // Additional part headers + if (!empty($params['headers']) && is_array($params['headers'])) { + $headers = $params['headers']; } foreach ($params as $key => $value) { @@ -216,13 +223,17 @@ $params['headers_charset'] = $params['charset']; } } + + // header values encoding parameters + $h_charset = !empty($params['headers_charset']) ? $params['headers_charset'] : 'US-ASCII'; + $h_language = !empty($params['language']) ? $params['language'] : null; + $h_encoding = !empty($params['name_encoding']) ? $params['name_encoding'] : null; + + if (!empty($params['filename'])) { $headers['Content-Type'] .= ';' . $this->_eol; $headers['Content-Type'] .= $this->_buildHeaderParam( - 'name', $params['filename'], - !empty($params['headers_charset']) ? $params['headers_charset'] : 'US-ASCII', - !empty($params['language']) ? $params['language'] : null, - !empty($params['name_encoding']) ? $params['name_encoding'] : null + 'name', $params['filename'], $h_charset, $h_language, $h_encoding ); } @@ -232,21 +243,39 @@ if (!empty($params['filename'])) { $headers['Content-Disposition'] .= ';' . $this->_eol; $headers['Content-Disposition'] .= $this->_buildHeaderParam( - 'filename', $params['filename'], - !empty($params['headers_charset']) ? $params['headers_charset'] : 'US-ASCII', - !empty($params['language']) ? $params['language'] : null, + 'filename', $params['filename'], $h_charset, $h_language, !empty($params['filename_encoding']) ? $params['filename_encoding'] : null ); + } + + // add attachment size + $size = $this->_body_file ? filesize($this->_body_file) : strlen($body); + if ($size) { + $headers['Content-Disposition'] .= ';' . $this->_eol . ' size=' . $size; } } if (!empty($params['description'])) { $headers['Content-Description'] = $this->encodeHeader( - 'Content-Description', $params['description'], - !empty($params['headers_charset']) ? $params['headers_charset'] : 'US-ASCII', - !empty($params['name_encoding']) ? $params['name_encoding'] : 'quoted-printable', + 'Content-Description', $params['description'], $h_charset, $h_encoding, $this->_eol ); + } + + // Search and add existing headers' parameters + foreach ($headers as $key => $value) { + $items = explode(':', $key); + if (count($items) == 2) { + $header = $items[0]; + $param = $items[1]; + if (isset($headers[$header])) { + $headers[$header] .= ';' . $this->_eol; + } + $headers[$header] .= $this->_buildHeaderParam( + $param, $value, $h_charset, $h_language, $h_encoding + ); + unset($headers[$key]); + } } // Default encoding @@ -286,7 +315,7 @@ for ($i = 0; $i < count($this->_subparts); $i++) { $encoded['body'] .= '--' . $boundary . $eol; $tmp = $this->_subparts[$i]->encode(); - if (PEAR::isError($tmp)) { + if ($this->_isError($tmp)) { return $tmp; } foreach ($tmp['headers'] as $key => $value) { @@ -309,7 +338,7 @@ @ini_set('magic_quotes_runtime', $magic_quote_setting); } - if (PEAR::isError($body)) { + if ($this->_isError($body)) { return $body; } $encoded['body'] = $body; @@ -361,7 +390,7 @@ @ini_set('magic_quotes_runtime', $magic_quote_setting); } - return PEAR::isError($res) ? $res : $this->_headers; + return $this->_isError($res) ? $res : $this->_headers; } /** @@ -396,7 +425,7 @@ for ($i = 0; $i < count($this->_subparts); $i++) { fwrite($fh, $f_eol . '--' . $boundary . $eol); $res = $this->_subparts[$i]->_encodePartToFile($fh); - if (PEAR::isError($res)) { + if ($this->_isError($res)) { return $res; } $f_eol = $eol; @@ -411,7 +440,7 @@ $res = $this->_getEncodedDataFromFile( $this->_body_file, $this->_encoding, $fh ); - if (PEAR::isError($res)) { + if ($this->_isError($res)) { return $res; } } @@ -786,6 +815,7 @@ 'from', 'to', 'cc', 'bcc', 'sender', 'reply-to', 'resent-from', 'resent-to', 'resent-cc', 'resent-bcc', 'resent-sender', 'resent-reply-to', + 'mail-reply-to', 'mail-followup-to', 'return-receipt-to', 'disposition-notification-to', ); $other_headers = array( @@ -1196,4 +1226,22 @@ return sprintf('%%%02X', ord($matches[1])); } + /** + * PEAR::isError wrapper + * + * @param mixed $data Object + * + * @return bool True if object is an instance of PEAR_Error + * @access private + */ + function _isError($data) + { + // PEAR::isError() is not PHP 5.4 compatible (see Bug #19473) + if (is_object($data) && is_a($data, 'PEAR_Error')) { + return true; + } + + return false; + } + } // End of class -- Gitblit v1.9.1