From 197203727417a03d87053a47e5aa5175a76e3e0b Mon Sep 17 00:00:00 2001
From: Aleksander Machniak <alec@alec.pl>
Date: Thu, 17 Oct 2013 04:24:53 -0400
Subject: [PATCH] Fix vulnerability in handling _session argument of utils/save-prefs (#1489382)
---
program/steps/mail/func.inc | 146 ++++++++++++++++++++++++++++++++++++------------
1 files changed, 108 insertions(+), 38 deletions(-)
diff --git a/program/steps/mail/func.inc b/program/steps/mail/func.inc
index 8407b06..84d2dd8 100644
--- a/program/steps/mail/func.inc
+++ b/program/steps/mail/func.inc
@@ -89,7 +89,7 @@
if ($_SESSION['search_filter'] && $_SESSION['search_filter'] != 'ALL') {
$search_request = md5($mbox_name.$_SESSION['search_filter']);
- $IMAP->search($mbox_name, $_SESSION['search_filter'], RCMAIL_CHARSET, $_SESSION['sort_col']);
+ $IMAP->search($mbox_name, $_SESSION['search_filter'], RCMAIL_CHARSET, rcmail_sort_column());
$_SESSION['search'] = $IMAP->get_search_set();
$_SESSION['search_request'] = $search_request;
$OUTPUT->set_env('search_request', $search_request);
@@ -133,13 +133,76 @@
$OUTPUT->set_pagetitle(rcmail_localize_foldername($IMAP->mod_mailbox($mbox_name)));
}
+/**
+ * Returns 'to' if current folder is configured Sent or Drafts
+ * or their subfolders, otherwise returns 'from'.
+ *
+ * @return string Column name
+ */
+function rcmail_message_list_smart_column_name()
+{
+ global $RCMAIL;
+
+ $delim = $RCMAIL->imap->get_hierarchy_delimiter();
+ $mbox = $RCMAIL->imap->get_mailbox_name();
+ $sent_mbox = $RCMAIL->config->get('sent_mbox');
+ $drafts_mbox = $RCMAIL->config->get('drafts_mbox');
+
+ if (strpos($mbox.$delim, $sent_mbox.$delim) === 0 || strpos($mbox.$delim, $drafts_mbox.$delim) === 0) {
+ return 'to';
+ }
+
+ return 'from';
+}
+
+/**
+ * Returns configured messages list sorting column name
+ * The name is context-sensitive, which means if sorting is set to 'fromto'
+ * it will return 'from' or 'to' according to current folder type.
+ *
+ * @return string Column name
+ */
+function rcmail_sort_column()
+{
+ global $RCMAIL;
+
+ if (isset($_SESSION['sort_col'])) {
+ $column = $_SESSION['sort_col'];
+ }
+ else {
+ $column = $RCMAIL->config->get('message_sort_col');
+ }
+
+ // get name of smart From/To column in folder context
+ if ($column == 'fromto') {
+ $column = rcmail_message_list_smart_column_name();
+ }
+
+ return $column;
+}
+
+/**
+ * Returns configured message list sorting order
+ *
+ * @return string Sorting order (ASC|DESC)
+ */
+function rcmail_sort_order()
+{
+ global $RCMAIL;
+
+ if (isset($_SESSION['sort_order'])) {
+ return $_SESSION['sort_order'];
+ }
+
+ return $RCMAIL->config->get('message_sort_order');
+}
/**
* return the message list as HTML table
*/
function rcmail_message_list($attrib)
{
- global $IMAP, $CONFIG, $OUTPUT;
+ global $CONFIG, $OUTPUT;
// add some labels to client
$OUTPUT->add_label('from', 'to');
@@ -160,14 +223,6 @@
// save some variables for use in ajax list
$_SESSION['list_attrib'] = $attrib;
-
- $mbox = $IMAP->get_mailbox_name();
- $delim = $IMAP->get_hierarchy_delimiter();
-
- // show 'to' instead of 'from' in sent/draft messages
- if ((strpos($mbox.$delim, $CONFIG['sent_mbox'].$delim)===0 || strpos($mbox.$delim, $CONFIG['drafts_mbox'].$delim)===0)
- && (($f = array_search('from', $a_show_cols)) !== false) && array_search('to', $a_show_cols) === false)
- $a_show_cols[$f] = 'to';
// make sure 'threads' and 'subject' columns are present
if (!in_array('subject', $a_show_cols))
@@ -219,7 +274,6 @@
}
$mbox = $IMAP->get_mailbox_name();
- $delim = $IMAP->get_hierarchy_delimiter();
// make sure 'threads' and 'subject' columns are present
if (!in_array('subject', $a_show_cols))
@@ -228,11 +282,6 @@
array_unshift($a_show_cols, 'threads');
$_SESSION['list_attrib']['columns'] = $a_show_cols;
-
- // show 'to' instead of 'from' in sent/draft messages
- if ((strpos($mbox.$delim, $CONFIG['sent_mbox'].$delim)===0 || strpos($mbox.$delim, $CONFIG['drafts_mbox'].$delim)===0)
- && (($f = array_search('from', $a_show_cols)) !== false) && array_search('to', $a_show_cols) === false)
- $a_show_cols[$f] = 'to';
// Make sure there are no duplicated columns (#1486999)
$a_show_cols = array_unique($a_show_cols);
@@ -247,7 +296,12 @@
$thead = $head_replace ? rcmail_message_list_head($_SESSION['list_attrib'], $a_show_cols) : NULL;
- $OUTPUT->command('set_message_coltypes', $a_show_cols, $thead);
+ // get name of smart From/To column in folder context
+ if (($f = array_search('fromto', $a_show_cols)) !== false) {
+ $smart_col = rcmail_message_list_smart_column_name();
+ }
+
+ $OUTPUT->command('set_message_coltypes', $a_show_cols, $thead, $smart_col);
if (empty($a_headers))
return;
@@ -270,16 +324,18 @@
// format each col; similar as in rcmail_message_list()
foreach ($a_show_cols as $col) {
- if (in_array($col, array('from', 'to', 'cc', 'replyto')))
- $cont = Q(rcmail_address_string($header->$col, 3), 'show');
+ $col_name = $col == 'fromto' ? $smart_col : $col;
+
+ if (in_array($col_name, array('from', 'to', 'cc', 'replyto')))
+ $cont = Q(rcmail_address_string($header->$col_name, 3), 'show');
else if ($col=='subject') {
$cont = trim($IMAP->decode_header($header->$col));
if (!$cont) $cont = rcube_label('nosubject');
$cont = Q($cont);
}
- else if ($col=='size')
+ else if ($col == 'size')
$cont = show_bytes($header->$col);
- else if ($col=='date')
+ else if ($col == 'date')
$cont = format_date($header->date);
else
$cont = Q($header->$col);
@@ -330,8 +386,6 @@
*/
function rcmail_message_list_head($attrib, $a_show_cols)
{
- global $CONFIG;
-
$skin_path = $_SESSION['skin_path'];
$image_tag = html::img(array('src' => "%s%s", 'alt' => "%s"));
@@ -340,7 +394,7 @@
$sort_order = $_SESSION['sort_order'];
// define sortable columns
- $a_sort_cols = array('subject', 'date', 'from', 'to', 'size', 'cc');
+ $a_sort_cols = array('subject', 'date', 'from', 'to', 'fromto', 'size', 'cc');
if (!empty($attrib['optionsmenuicon'])) {
$onclick = 'return ' . JS_OBJECT_NAME . ".command('menu-open', 'messagelistmenu')";
@@ -358,6 +412,11 @@
$cells = array();
+ // get name of smart From/To column in folder context
+ if (($f = array_search('fromto', $a_show_cols)) !== false) {
+ $smart_col = rcmail_message_list_smart_column_name();
+ }
+
foreach ($a_show_cols as $col) {
// get column name
switch ($col) {
@@ -371,6 +430,9 @@
break;
case 'threads':
$col_name = $list_menu;
+ break;
+ case 'fromto':
+ $col_name = Q(rcube_label($smart_col));
break;
default:
$col_name = Q(rcube_label($col));
@@ -550,7 +612,7 @@
* @param array CID map replaces (inline images)
* @return string Clean HTML
*/
-function rcmail_wash_html($html, $p = array(), $cid_replaces)
+function rcmail_wash_html($html, $p, $cid_replaces)
{
global $REMOTE_OBJECTS;
@@ -681,7 +743,9 @@
else if ($data['type'] == 'enriched') {
$part->ctype_secondary = 'html';
require_once(INSTALL_PATH . 'program/lib/enriched.inc');
- $body = Q(enriched_to_html($data['body']), 'show');
+ $body = enriched_to_html($data['body']);
+ $body = rcmail_wash_html($body, $data, $part->replaces);
+ $part->ctype_secondary = 'html';
}
else {
// assert plaintext
@@ -821,7 +885,7 @@
/**
* Callback function for washtml cleaning class
*/
-function rcmail_washtml_callback($tagname, $attrib, $content)
+function rcmail_washtml_callback($tagname, $attrib, $content, $washtml)
{
switch ($tagname) {
case 'form':
@@ -833,8 +897,11 @@
$stripped = preg_replace('/[^a-zA-Z\(:;]/', '', rcmail_xss_entity_decode($content));
// now check for evil strings like expression, behavior or url()
- if (!preg_match('/expression|behavior|url\(|import[^a]/', $stripped)) {
- $out = html::tag('style', array('type' => 'text/css'), $content);
+ if (!preg_match('/expression|behavior|javascript:|import[^a]/i', $stripped)) {
+ if (!$washtml->get_config('allow_remote') && stripos($stripped, 'url('))
+ $washtml->extlinks = true;
+ else
+ $out = html::tag('style', array('type' => 'text/css'), $content);
break;
}
@@ -1014,7 +1081,7 @@
$body = rcmail_print_body($part, array('safe' => $safe_mode, 'plain' => !$CONFIG['prefer_html']));
if ($part->ctype_secondary == 'html') {
- $body = rcmail_html4inline($body, $attrib['id'], 'rcmBody', $attrs);
+ $body = rcmail_html4inline($body, $attrib['id'], 'rcmBody', $attrs, $safe_mode);
$div_attr = array('class' => 'message-htmlpart');
$style = array();
@@ -1043,6 +1110,11 @@
// list images after mail body
if ($CONFIG['inline_images'] && !empty($MESSAGE->attachments)) {
foreach ($MESSAGE->attachments as $attach_prop) {
+ // skip inline images
+ if ($attach_prop->content_id && $attach_prop->disposition == 'inline') {
+ continue;
+ }
+
// Content-Type: image/*...
if (preg_match('/^image\//i', $attach_prop->mimetype) ||
// ...or known file extension: many clients are using application/octet-stream
@@ -1052,7 +1124,7 @@
) {
$out .= html::tag('hr') . html::p(array('align' => "center"),
html::img(array(
- 'src' => $MESSAGE->get_part_url($attach_prop->mime_id),
+ 'src' => $MESSAGE->get_part_url($attach_prop->mime_id, true),
'title' => $attach_prop->filename,
'alt' => $attach_prop->filename,
)));
@@ -1076,19 +1148,17 @@
// check for <base href=...>
if (preg_match('!(<base.*href=["\']?)([hftps]{3,5}://[a-z0-9/.%-]+)!i', $body, $regs)) {
$replacer = new rcube_base_replacer($regs[2]);
-
- // replace all relative paths
- $body = preg_replace_callback('/(src|background|href)=(["\']?)([^"\'\s]+)(\2|\s|>)/Ui', array($replacer, 'callback'), $body);
- $body = preg_replace_callback('/(url\s*\()(["\']?)([^"\'\)\s]+)(\2)\)/Ui', array($replacer, 'callback'), $body);
+ $body = $replacer->replace($body);
}
return $body;
}
+
/**
* modify a HTML message that it can be displayed inside a HTML page
*/
-function rcmail_html4inline($body, $container_id, $body_id='', &$attributes=null)
+function rcmail_html4inline($body, $container_id, $body_id='', &$attributes=null, $allow_remote=false)
{
$last_style_pos = 0;
$body_lc = strtolower($body);
@@ -1101,7 +1171,7 @@
// replace all css definitions with #container [def]
$styles = rcmail_mod_css_styles(
- substr($body, $pos, $pos2-$pos), $cont_id);
+ substr($body, $pos, $pos2-$pos), $cont_id, $allow_remote);
$body = substr($body, 0, $pos) . $styles . substr($body, $pos2);
$body_lc = strtolower($body);
@@ -1279,6 +1349,7 @@
'href' => "#add",
'onclick' => sprintf("return %s.command('add-contact','%s',this)", JS_OBJECT_NAME, urlencode($string)),
'title' => rcube_label('addtoaddressbook'),
+ 'class' => 'rcmaddcontact',
),
html::img(array(
'src' => $CONFIG['skin_path'] . $addicon,
@@ -1424,7 +1495,6 @@
$rcmail = rcmail::get_instance();
$rcmail->plugins->exec_hook('attachments_cleanup', array('group' => $id));
$rcmail->session->remove('compose_data_'.$id);
- $rcmail->session->remove('compose');
}
--
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