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/steps/mail/attachments.inc | 27 +++++++++++++-------------- 1 files changed, 13 insertions(+), 14 deletions(-) diff --git a/program/steps/mail/attachments.inc b/program/steps/mail/attachments.inc index ff9424f..f83f689 100644 --- a/program/steps/mail/attachments.inc +++ b/program/steps/mail/attachments.inc @@ -17,9 +17,6 @@ +-----------------------------------------------------------------------+ | Author: Thomas Bruederli <roundcube@gmail.com> | +-----------------------------------------------------------------------+ - - $Id$ - */ // Upload progress update @@ -30,8 +27,10 @@ $COMPOSE_ID = get_input_value('_id', RCUBE_INPUT_GPC); $COMPOSE = null; -if ($COMPOSE_ID && $_SESSION['compose_data_'.$COMPOSE_ID]) - $COMPOSE =& $_SESSION['compose_data_'.$COMPOSE_ID]; +if ($COMPOSE_ID && $_SESSION['compose_data_' . $COMPOSE_ID]) { + $SESSION_KEY = 'compose_data_' . $COMPOSE_ID; + $COMPOSE =& $_SESSION[$SESSION_KEY]; +} if (!$COMPOSE) { die("Invalid session var!"); @@ -48,7 +47,7 @@ $attachment = $RCMAIL->plugins->exec_hook('attachment_delete', $attachment); if ($attachment['status']) { if (is_array($COMPOSE['attachments'][$id])) { - unset($COMPOSE['attachments'][$id]); + $RCMAIL->session->remove($SESSION_KEY.'.attachments.'.$id); $OUTPUT->command('remove_from_attachment_list', "rcmfile$id"); } } @@ -80,11 +79,7 @@ exit; } -// attachment upload action - -if (!is_array($COMPOSE['attachments'])) { - $COMPOSE['attachments'] = array(); -} +/***** attachment upload action *****/ // clear all stored output properties (like scripts and env vars) $OUTPUT->reset(); @@ -92,6 +87,8 @@ $uploadid = get_input_value('_uploadid', RCUBE_INPUT_GET); if (is_array($_FILES['_attachments']['tmp_name'])) { + $multiple = count($_FILES['_attachments']['tmp_name']) > 1; + foreach ($_FILES['_attachments']['tmp_name'] as $i => $filepath) { // Process uploaded attachment if there is no error $err = $_FILES['_attachments']['error'][$i]; @@ -113,7 +110,7 @@ // store new attachment in session unset($attachment['status'], $attachment['abort']); - $COMPOSE['attachments'][$id] = $attachment; + $RCMAIL->session->append($SESSION_KEY.'.attachments', $id, $attachment); if (($icon = $COMPOSE['deleteicon']) && is_file($icon)) { $button = html::img(array( @@ -152,8 +149,10 @@ $msg = rcube_label('fileuploaderror'); } - $OUTPUT->command('display_message', $msg, 'error'); - $OUTPUT->command('remove_from_attachment_list', $uploadid); + if ($attachment['error'] || $err != UPLOAD_ERR_NO_FILE) { + $OUTPUT->command('display_message', $msg, 'error'); + $OUTPUT->command('remove_from_attachment_list', $uploadid); + } } } } -- Gitblit v1.9.1