From: Timo Sirainen <timo.sirainen@open-xchange.com>
Date: Tue, 5 Feb 2019 03:25:13 +0000 (-0800)
Subject: fts: Fix buffer overflow when reading oversized fts header
X-Git-Tag: 2.2.36.3~1
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=d781a50c1f26ade88f9c96fa2931364e7fa8cc0b;p=thirdparty%2Fdovecot%2Fcore.git

fts: Fix buffer overflow when reading oversized fts header
---

diff --git a/src/plugins/fts/fts-api.c b/src/plugins/fts/fts-api.c
index 5a5b2a919e..4f8a1c125d 100644
--- a/src/plugins/fts/fts-api.c
+++ b/src/plugins/fts/fts-api.c
@@ -425,7 +425,7 @@ bool fts_index_get_header(struct mailbox *box, struct fts_index_header *hdr_r)
 		i_zero(hdr_r);
 		ret = FALSE;
 	} else {
-		memcpy(hdr_r, data, data_size);
+		memcpy(hdr_r, data, sizeof(*hdr_r));
 		ret = TRUE;
 	}
 	mail_index_view_close(&view);