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From 226f07e4b49c2757b181c62e6841000c512054e3 Mon Sep 17 00:00:00 2001
From: Even Rouault <even.rouault@spatialys.com>
Date: Mon, 14 Aug 2017 17:26:58 +0200
Subject: [PATCH] bmp_read_info_header(): reject bmp files with biBitCount == 0
(#983)
Upstream-Status: Backport [https://github.com/uclouvain/openjpeg/commit/baf0c1ad4572daa89caa3b12985bdd93530f0dd7]
CVE: CVE-2017-12982
Signed-off-by: Dengke Du <dengke.du@windriver.com>
---
src/bin/jp2/convertbmp.c | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/src/bin/jp2/convertbmp.c b/src/bin/jp2/convertbmp.c
index b49e7a0..2715fdf 100644
--- a/src/bin/jp2/convertbmp.c
+++ b/src/bin/jp2/convertbmp.c
@@ -392,6 +392,10 @@ static OPJ_BOOL bmp_read_info_header(FILE* IN, OPJ_BITMAPINFOHEADER* header)
header->biBitCount = (OPJ_UINT16)getc(IN);
header->biBitCount |= (OPJ_UINT16)((OPJ_UINT32)getc(IN) << 8);
+ if (header->biBitCount == 0) {
+ fprintf(stderr, "Error, invalid biBitCount %d\n", 0);
+ return OPJ_FALSE;
+ }
if (header->biSize >= 40U) {
header->biCompression = (OPJ_UINT32)getc(IN);
--
2.8.1
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