From: Cristy <urban-warrior@imagemagick.org>
Date: Tue, 31 May 2016 22:18:31 +0000 (-0400)
Subject: EPT Postscript and TIFF offsets must be greater than 30
X-Git-Tag: 7.0.1-8~1
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=97775b5090512ae52e27c3d6d0c503f88d47776a;p=imagemagick

EPT Postscript and TIFF offsets must be greater than 30
---

diff --git a/coders/ept.c b/coders/ept.c
index 464149dac..1c4885f5e 100644
--- a/coders/ept.c
+++ b/coders/ept.c
@@ -214,14 +214,14 @@ static Image *ReadEPTImage(const ImageInfo *image_info,ExceptionInfo *exception)
   (void) ResetMagickMemory(ept_info.tiff,0,(ept_info.tiff_length+1)*
     sizeof(*ept_info.tiff));
   offset=SeekBlob(image,ept_info.tiff_offset,SEEK_SET);
-  if (offset < 0)
+  if (offset < 30)
     ThrowReaderException(CorruptImageError,"ImproperImageHeader");
   count=ReadBlob(image,ept_info.tiff_length,ept_info.tiff);
   if (count != (ssize_t) (ept_info.tiff_length))
     (void) ThrowMagickException(exception,GetMagickModule(),CorruptImageWarning,
       "InsufficientImageDataInFile","`%s'",image->filename);
   offset=SeekBlob(image,ept_info.postscript_offset,SEEK_SET);
-  if (offset < 0)
+  if (offset < 30)
     ThrowReaderException(CorruptImageError,"ImproperImageHeader");
   count=ReadBlob(image,ept_info.postscript_length,ept_info.postscript);
   if (count != (ssize_t) (ept_info.postscript_length))