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-rw-r--r--program/include/rcube_message.php13
1 files changed, 12 insertions, 1 deletions
diff --git a/program/include/rcube_message.php b/program/include/rcube_message.php
index 3a96a0b7b..a8c51cc4e 100644
--- a/program/include/rcube_message.php
+++ b/program/include/rcube_message.php
@@ -478,10 +478,21 @@ class rcube_message
if (!empty($mail_part->filename))
$this->attachments[] = $mail_part;
}
- // is a regular attachment (content-type name regexp according to RFC4288.4.2)
+ // regular attachment with valid content type
+ // (content-type name regexp according to RFC4288.4.2)
else if (preg_match('/^[a-z0-9!#$&.+^_-]+\/[a-z0-9!#$&.+^_-]+$/i', $part_mimetype)) {
if (!$mail_part->filename)
$mail_part->filename = 'Part '.$mail_part->mime_id;
+
+ $this->attachments[] = $mail_part;
+ }
+ // attachment with invalid content type
+ // replace malformed content type with application/octet-stream (#1487767)
+ else if ($mail_part->filename) {
+ $mail_part->ctype_primary = 'application';
+ $mail_part->ctype_secondary = 'octet-stream';
+ $mail_part->mimetype = 'application/octet-stream';
+
$this->attachments[] = $mail_part;
}
}