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* gnu/packages/image.scm (openjepg)[source]: Add patch. * gnu/packages/patches/openjpeg-CVE-2017-12982.patch: New file. * gnu/local.mk (dist_patch_DATA): Register it.
28 lines
1 KiB
Diff
28 lines
1 KiB
Diff
http://openwall.com/lists/oss-security/2017/08/21/1
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https://github.com/uclouvain/openjpeg/commit/baf0c1ad4572daa89caa3b12985bdd93530f0dd7.patch
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From baf0c1ad4572daa89caa3b12985bdd93530f0dd7 Mon Sep 17 00:00:00 2001
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From: Even Rouault <even.rouault@spatialys.com>
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Date: Mon, 14 Aug 2017 17:26:58 +0200
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Subject: [PATCH] bmp_read_info_header(): reject bmp files with biBitCount == 0
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(#983)
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---
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src/bin/jp2/convertbmp.c | 4 ++++
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1 file changed, 4 insertions(+)
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diff --git a/src/bin/jp2/convertbmp.c b/src/bin/jp2/convertbmp.c
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index b49e7a080..2715fdf24 100644
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--- a/src/bin/jp2/convertbmp.c
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+++ b/src/bin/jp2/convertbmp.c
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@@ -392,6 +392,10 @@ static OPJ_BOOL bmp_read_info_header(FILE* IN, OPJ_BITMAPINFOHEADER* header)
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header->biBitCount = (OPJ_UINT16)getc(IN);
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header->biBitCount |= (OPJ_UINT16)((OPJ_UINT32)getc(IN) << 8);
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+ if (header->biBitCount == 0) {
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+ fprintf(stderr, "Error, invalid biBitCount %d\n", 0);
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+ return OPJ_FALSE;
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+ }
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if (header->biSize >= 40U) {
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header->biCompression = (OPJ_UINT32)getc(IN);
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