File ImageMagick-CVE-2015-8901.patch of Package ImageMagick.3021

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File ImageMagick-CVE-2015-8901.patch of Package ImageMagick.3021

8f261c94f7f7075c3cf90724802958 Mon Sep 17 00:00:00 2001
From: cristy <urban-warrior@git.imagemagick.org>
Date: Sun, 25 Jan 2015 17:32:32 +0000
Subject: [PATCH]

---
 coders/miff.c  | 22 ++++++++++++++++++++--
 coders/pdb.c   | 10 +++++++++-
 coders/vicar.c |  2 ++
 3 files changed, 31 insertions(+), 3 deletions(-)

Index: ImageMagick-6.8.9-8/coders/miff.c
===================================================================
--- ImageMagick-6.8.9-8.orig/coders/miff.c	2014-05-18 19:21:02.000000000 +0200
+++ ImageMagick-6.8.9-8/coders/miff.c	2016-06-07 14:39:50.598436174 +0200
@@ -1405,6 +1405,9 @@ static Image *ReadMIFFImage(const ImageI
           bzip_info.avail_out=(unsigned int) (packet_size*image->columns);
           do
           {
+            int
+              code;
+
             if (bzip_info.avail_in == 0)
               {
                 bzip_info.next_in=(char *) compress_pixels;
@@ -1414,7 +1417,13 @@ static Image *ReadMIFFImage(const ImageI
                 bzip_info.avail_in=(unsigned int) ReadBlob(image,length,
                   (unsigned char *) bzip_info.next_in);
               }
-            if (BZ2_bzDecompress(&bzip_info) == BZ_STREAM_END)
+            code=BZ2_bzDecompress(&bzip_info);
+            if (code < 0)
+              {
+                status=MagickFalse;
+                break;
+              }
+            if (code == BZ_STREAM_END)
               break;
           } while (bzip_info.avail_out != 0);
           (void) ImportQuantumPixels(image,(CacheView *) NULL,quantum_info,
@@ -1461,6 +1470,9 @@ static Image *ReadMIFFImage(const ImageI
           zip_info.avail_out=(uInt) (packet_size*image->columns);
           do
           {
+            int
+              code;
+
             if (zip_info.avail_in == 0)
               {
                 zip_info.next_in=compress_pixels;
@@ -1470,7 +1482,13 @@ static Image *ReadMIFFImage(const ImageI
                 zip_info.avail_in=(unsigned int) ReadBlob(image,length,
                   zip_info.next_in);
               }
-            if (inflate(&zip_info,Z_SYNC_FLUSH) == Z_STREAM_END)
+            code=inflate(&zip_info,Z_SYNC_FLUSH);
+            if (code < 0)
+              {
+                status=MagickFalse;
+                break;
+              }
+            if (code == Z_STREAM_END)
               break;
           } while (zip_info.avail_out != 0);
           (void) ImportQuantumPixels(image,(CacheView *) NULL,quantum_info,

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