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/compose.inc | 35 +++++++++++++++++++---------------- 1 files changed, 19 insertions(+), 16 deletions(-) diff --git a/program/steps/mail/compose.inc b/program/steps/mail/compose.inc index e04986a..d4d08d1 100644 --- a/program/steps/mail/compose.inc +++ b/program/steps/mail/compose.inc @@ -511,7 +511,7 @@ } } - $out = $select_from->show((int)$MESSAGE->compose['from']); + $out = $select_from->show($MESSAGE->compose['from']); // add signatures to client $OUTPUT->set_env('signatures', $a_signatures); @@ -927,10 +927,10 @@ $prefix .= rcube_label('from') . ': ' . $MESSAGE->get_header('from') . "\n"; $prefix .= rcube_label('to') . ': ' . $MESSAGE->get_header('to') . "\n"; - if ($MESSAGE->headers->cc) - $prefix .= rcube_label('cc') . ': ' . $MESSAGE->get_header('cc') . "\n"; - if ($MESSAGE->headers->replyto && $MESSAGE->headers->replyto != $MESSAGE->headers->from) - $prefix .= rcube_label('replyto') . ': ' . $MESSAGE->get_header('replyto') . "\n"; + if ($cc = $MESSAGE->headers->get('cc')) + $prefix .= rcube_label('cc') . ': ' . $cc . "\n"; + if (($replyto = $MESSAGE->headers->get('reply-to')) && $replyto != $MESSAGE->get_header('from')) + $prefix .= rcube_label('replyto') . ': ' . $replyto . "\n"; $prefix .= "\n"; $body = trim($body, "\r\n"); @@ -953,15 +953,13 @@ rcube_label('from'), Q($MESSAGE->get_header('from'), 'replace'), rcube_label('to'), Q($MESSAGE->get_header('to'), 'replace')); - if ($MESSAGE->headers->cc) + if ($cc = $MESSAGE->headers->get('cc')) $prefix .= sprintf("<tr><th align=\"right\" nowrap=\"nowrap\" valign=\"baseline\">%s: </th><td>%s</td></tr>", - rcube_label('cc'), - Q($MESSAGE->get_header('cc'), 'replace')); + rcube_label('cc'), Q($cc, 'replace')); - if ($MESSAGE->headers->replyto && $MESSAGE->headers->replyto != $MESSAGE->headers->from) + if (($replyto = $MESSAGE->headers->get('reply-to')) && $replyto != $MESSAGE->get_header('from')) $prefix .= sprintf("<tr><th align=\"right\" nowrap=\"nowrap\" valign=\"baseline\">%s: </th><td>%s</td></tr>", - rcube_label('replyto'), - Q($MESSAGE->get_header('replyto'), 'replace')); + rcube_label('replyto'), Q($replyto, 'replace')); $prefix .= "</tbody></table><br>"; } @@ -985,12 +983,17 @@ $cid_map = rcmail_write_compose_attachments($MESSAGE, $bodyIsHtml); } - // clean up html tags - XSS prevention (#1489251) - $body = rcmail_wash_html($body, array('safe' => 1), $cid_map); + // clean up HTML tags - XSS prevention (#1489251) + if ($bodyIsHtml) { + $body = rcmail_wash_html($body, array('safe' => 1), $cid_map); - // replace cid with href in inline images links - if ($cid_map) { - $body = str_replace(array_keys($cid_map), array_values($cid_map), $body); + // remove comments (produced by washtml) + $body = preg_replace('/<!--[^>]+-->/', '', $body); + + // replace cid with href in inline images links + if (!empty($cid_map)) { + $body = str_replace(array_keys($cid_map), array_values($cid_map), $body); + } } return $body; -- Gitblit v1.9.1