From 4a0a39807224f6787362971d926e6474d5cb9e15 Mon Sep 17 00:00:00 2001
From: Marcus Alves Grando <mnag@FreeBSD.org>
Date: Wed, 7 Dec 2005 14:26:01 +0000
Subject: Backport xpdf vendor patch Bump PORTREVISION

Approved by:	gnome (marcus)
Security:	http://www.idefense.com/application/poi/display?id=342&type=vulnerabilities
		http://www.idefense.com/application/poi/display?id=343&type=vulnerabilities
		http://www.idefense.com/application/poi/display?id=344&type=vulnerabilities
		http://www.idefense.com/application/poi/display?id=345&type=vulnerabilities
		http://secunia.com/advisories/17897/
		CVE-2005-3191, CVE-2005-3192, CVE-2005-3193
---
 graphics/poppler/Makefile            |   1 +
 graphics/poppler/files/patch-SA17897 | 120 +++++++++++++++++++++++++++++++++++
 2 files changed, 121 insertions(+)
 create mode 100644 graphics/poppler/files/patch-SA17897

(limited to 'graphics/poppler')

diff --git a/graphics/poppler/Makefile b/graphics/poppler/Makefile
index 19124133b48a..27f6c0d3d3fb 100644
--- a/graphics/poppler/Makefile
+++ b/graphics/poppler/Makefile
@@ -8,6 +8,7 @@
 
 PORTNAME=	poppler
 PORTVERSION=	0.4.2
+PORTREVISION=	1
 CATEGORIES=	graphics print
 MASTER_SITES=	http://poppler.freedesktop.org/
 
diff --git a/graphics/poppler/files/patch-SA17897 b/graphics/poppler/files/patch-SA17897
new file mode 100644
index 000000000000..61b5472fe06f
--- /dev/null
+++ b/graphics/poppler/files/patch-SA17897
@@ -0,0 +1,120 @@
+--- poppler/JPXStream.cc.orig	Thu Mar  3 16:46:03 2005
++++ poppler/JPXStream.cc	Wed Dec  7 00:33:40 2005
+@@ -666,7 +666,7 @@
+   int segType;
+   GBool haveSIZ, haveCOD, haveQCD, haveSOT;
+   Guint precinctSize, style;
+-  Guint segLen, capabilities, comp, i, j, r;
++  Guint segLen, capabilities, nTiles, comp, i, j, r;
+ 
+   //----- main header
+   haveSIZ = haveCOD = haveQCD = haveSOT = gFalse;
+@@ -701,8 +701,13 @@
+ 	            / img.xTileSize;
+       img.nYTiles = (img.ySize - img.yTileOffset + img.yTileSize - 1)
+ 	            / img.yTileSize;
+-      img.tiles = (JPXTile *)gmalloc(img.nXTiles * img.nYTiles *
+-				     sizeof(JPXTile));
++      nTiles = img.nXTiles * img.nYTiles;
++      // check for overflow before allocating memory
++      if (nTiles == 0 || nTiles / img.nXTiles != img.nYTiles) {
++        error(getPos(), "Bad tile count in JPX SIZ marker segment");
++        return gFalse;
++      }
++      img.tiles = (JPXTile *)gmalloc(nTiles * sizeof(JPXTile));
+       for (i = 0; i < img.nXTiles * img.nYTiles; ++i) {
+ 	img.tiles[i].tileComps = (JPXTileComp *)gmalloc(img.nComps *
+ 							sizeof(JPXTileComp));
+--- poppler/Stream.cc.orig	Wed Apr 27 17:56:18 2005
++++ poppler/Stream.cc	Wed Dec  7 00:32:08 2005
+@@ -415,18 +415,33 @@
+ 
+ StreamPredictor::StreamPredictor(Stream *strA, int predictorA,
+ 				 int widthA, int nCompsA, int nBitsA) {
++  int totalBits;
++
+   str = strA;
+   predictor = predictorA;
+   width = widthA;
+   nComps = nCompsA;
+   nBits = nBitsA;
++  predLine = NULL;
++  ok = gFalse;
+ 
+   nVals = width * nComps;
++  totalBits = nVals * nBits;
++  if (totalBits == 0 ||
++      (totalBits / nBits) / nComps != width ||
++      totalBits + 7 < 0) {
++    return;
++  }
+   pixBytes = (nComps * nBits + 7) >> 3;
+-  rowBytes = ((nVals * nBits + 7) >> 3) + pixBytes;
++  rowBytes = ((totalBits + 7) >> 3) + pixBytes;
++  if (rowBytes < 0) {
++    return;
++  }
+   predLine = (Guchar *)gmalloc(rowBytes);
+   memset(predLine, 0, rowBytes);
+   predIdx = rowBytes;
++
++  ok = gTrue;
+ }
+ 
+ StreamPredictor::~StreamPredictor() {
+@@ -1020,6 +1035,10 @@
+     FilterStream(strA) {
+   if (predictor != 1) {
+     pred = new StreamPredictor(this, predictor, columns, colors, bits);
++    if (!pred->isOk()) {
++      delete pred;
++      pred = NULL;
++    }
+   } else {
+     pred = NULL;
+   }
+@@ -2907,6 +2926,14 @@
+   height = read16();
+   width = read16();
+   numComps = str->getChar();
++  if (numComps <= 0 || numComps > 4) {
++    error(getPos(), "Bad number of components in DCT stream", prec);
++    return gFalse;
++  }
++  if (numComps <= 0 || numComps > 4) {
++    error(getPos(), "Bad number of components in DCT stream", prec);
++    return gFalse;
++  }
+   if (prec != 8) {
+     error(getPos(), "Bad DCT precision %d", prec);
+     return gFalse;
+@@ -3268,6 +3295,10 @@
+     FilterStream(strA) {
+   if (predictor != 1) {
+     pred = new StreamPredictor(this, predictor, columns, colors, bits);
++    if (!pred->isOk()) {
++      delete pred;
++      pred = NULL;
++    }
+   } else {
+     pred = NULL;
+   }
+--- poppler/Stream.h.orig	Wed Apr 27 17:56:18 2005
++++ poppler/Stream.h	Wed Dec  7 00:32:08 2005
+@@ -231,6 +231,8 @@
+ 
+   ~StreamPredictor();
+ 
++  GBool isOk() { return ok; }
++
+   int lookChar();
+   int getChar();
+ 
+@@ -248,6 +250,7 @@
+   int rowBytes;			// bytes per line
+   Guchar *predLine;		// line buffer
+   int predIdx;			// current index in predLine
++  GBool ok;
+ };
+ 
+ //------------------------------------------------------------------------
-- 
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