From: Timo Sirainen <timo.sirainen@dovecot.fi>
Date: Sat, 17 Jun 2017 11:39:59 +0000 (+0300)
Subject: imap: NOTIFY - Fix potential crash when reading invalid parameters
X-Git-Tag: 2.3.0.rc1~1394
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=5052aa061a3246d26a70c9a40d171cd09888ba34;p=thirdparty%2Fdovecot%2Fcore.git

imap: NOTIFY - Fix potential crash when reading invalid parameters
---

diff --git a/src/imap/cmd-notify.c b/src/imap/cmd-notify.c
index 94cf103b88..abba017852 100644
--- a/src/imap/cmd-notify.c
+++ b/src/imap/cmd-notify.c
@@ -319,6 +319,8 @@ cmd_notify_set(struct imap_notify_context *ctx, const struct imap_arg *args)
 
 		if (strcasecmp(filter_mailboxes, "subtree") == 0 ||
 		    strcasecmp(filter_mailboxes, "mailboxes") == 0) {
+			if (event_group->type == IMAP_ARG_EOL)
+				return -1;
 			mailboxes = event_group++;
 		} else {
 			mailboxes = NULL;