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887ce5de62
* CVE-2017-11642 * CVE-2017-11722 * CVE-2017-12935 * CVE-2017-12936 * CVE-2017-12937 * CVE-2017-13063 * CVE-2017-13064 Fixes #7748
35 lines
1.2 KiB
Diff
35 lines
1.2 KiB
Diff
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# HG changeset patch
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# User Bob Friesenhahn <bfriesen@GraphicsMagick.org>
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# Date 1501555785 18000
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# Node ID 95d00d55e978dec3e1bb4c288dbc210b5cc8bea1
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# Parent 921a31d31ea85405b54771941e195782e50e589d
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SUN: Fix heap read overflow while indexing colormap in bilevel decoder
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diff -r 921a31d31ea8 -r 95d00d55e978 coders/sun.c
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--- a/coders/sun.c Mon Jul 31 09:35:26 2017 -0400
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+++ b/coders/sun.c Mon Jul 31 21:49:45 2017 -0500
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@@ -1,5 +1,5 @@
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/*
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-% Copyright (C) 2003-2015 GraphicsMagick Group
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+% Copyright (C) 2003-2017 GraphicsMagick Group
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% Copyright (C) 2002 ImageMagick Studio
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% Copyright 1991-1999 E. I. du Pont de Nemours and Company
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%
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@@ -577,6 +577,7 @@
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for (bit=7; bit >= 0; bit--)
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{
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index=((*p) & (0x01 << bit) ? 0x01 : 0x00);
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+ VerifyColormapIndex(image,index);
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indexes[x+7-bit]=index;
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q[x+7-bit]=image->colormap[index];
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}
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@@ -587,6 +588,7 @@
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for (bit=7; bit >= (long) (8-(image->columns % 8)); bit--)
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{
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index=((*p) & (0x01 << bit) ? 0x01 : 0x00);
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+ VerifyColormapIndex(image,index);
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indexes[x+7-bit]=index;
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q[x+7-bit]=image->colormap[index];
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}
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