Fix vulnerabilities in imported xpdf code.

http://www.kde.org/info/security/advisory-20041021-1.txt

3 files changed, 78 insertions, 0 deletions

diff --git a/editors/koffice-kde4/Makefile b/editors/koffice-kde4/Makefile
index a39b6adf5e0d..32351cfe58f7 100644
--- a/editors/koffice-kde4/Makefile
+++ b/editors/koffice-kde4/Makefile
@@ -8,6 +8,7 @@
 
 PORTNAME=	koffice
 PORTVERSION=	1.3.2
+PORTREVISION=	1
 PORTEPOCH=	1
 CATEGORIES=	editors kde
 MASTER_SITES=	${MASTER_SITE_KDE}
@@ -37,6 +38,7 @@ USE_GMAKE=		yes
 USE_ICONV=		yes
 USE_PYTHON=		yes
 GNU_CONFIGURE=		yes
+_NO_KDE_CLOSURE=	yes
 
 INSTALLS_SHLIB=		yes
 LDCONFIG_DIRS+=		%%PREFIX%%/lib %%PREFIX%%/lib/kde3
diff --git a/editors/koffice-kde4/files/patch-filters_kword_pdf_xpdf_xpdf_Catalog.cc b/editors/koffice-kde4/files/patch-filters_kword_pdf_xpdf_xpdf_Catalog.cc
new file mode 100644
index 000000000000..1e54fc9cb30e
--- /dev/null
+++ b/editors/koffice-kde4/files/patch-filters_kword_pdf_xpdf_xpdf_Catalog.cc
@@ -0,0 +1,27 @@
+--- filters/kword/pdf/xpdf/xpdf/Catalog.cc.orig	2004-10-18 16:26:39.388666476 +0200
++++ filters/kword/pdf/xpdf/xpdf/Catalog.cc	2004-10-18 16:27:28.004749073 +0200
+@@ -62,6 +62,12 @@
+   }
+   pagesSize = numPages0 = obj.getInt();
+   obj.free();
++  if (pagesSize*sizeof(Page *)/sizeof(Page *) != pagesSize ||
++      pagesSize*sizeof(Ref)/sizeof(Ref) != pagesSize) {
++    error(-1, "Invalid 'pagesSize'");
++    ok = gFalse;
++    return;
++  }
+   pages = (Page **)gmalloc(pagesSize * sizeof(Page *));
+   pageRefs = (Ref *)gmalloc(pagesSize * sizeof(Ref));
+   for (i = 0; i < pagesSize; ++i) {
+@@ -186,6 +192,11 @@
+       }
+       if (start >= pagesSize) {
+ 	pagesSize += 32;
++        if (pagesSize*sizeof(Page *)/sizeof(Page *) != pagesSize ||
++            pagesSize*sizeof(Ref)/sizeof(Ref) != pagesSize) {
++          error(-1, "Invalid 'pagesSize' parameter.");
++          goto err3;
++        }
+ 	pages = (Page **)grealloc(pages, pagesSize * sizeof(Page *));
+ 	pageRefs = (Ref *)grealloc(pageRefs, pagesSize * sizeof(Ref));
+ 	for (j = pagesSize - 32; j < pagesSize; ++j) {
diff --git a/editors/koffice-kde4/files/patch-filters_kword_pdf_xpdf_xpdf_XRef.cc b/editors/koffice-kde4/files/patch-filters_kword_pdf_xpdf_xpdf_XRef.cc
new file mode 100644
index 000000000000..935e7b56c6e6
--- /dev/null
+++ b/editors/koffice-kde4/files/patch-filters_kword_pdf_xpdf_xpdf_XRef.cc
@@ -0,0 +1,49 @@
+--- filters/kword/pdf/xpdf/xpdf/XRef.cc.orig	2004-09-17 23:54:38.000000000 -0700
++++ filters/kword/pdf/xpdf/xpdf/XRef.cc	2004-09-25 17:59:36.000000000 -0700
+@@ -76,6 +76,12 @@
+ 
+   // trailer is ok - read the xref table
+   } else {
++    if (size*sizeof(XRefEntry)/sizeof(XRefEntry) != size) {
++      error(-1, "Invalid 'size' inside xref table.");
++      ok = gFalse;
++      errCode = errDamaged;
++      return;
++    }
+     entries = (XRefEntry *)gmalloc(size * sizeof(XRefEntry));
+     for (i = 0; i < size; ++i) {
+       entries[i].offset = 0xffffffff;
+@@ -267,6 +273,10 @@
+     // table size
+     if (first + n > size) {
+       newSize = size + 256;
++      if (newSize*sizeof(XRefEntry)/sizeof(XRefEntry) != newSize) {
++        error(-1, "Invalid 'newSize'");
++        goto err2;
++      }
+       entries = (XRefEntry *)grealloc(entries, newSize * sizeof(XRefEntry));
+       for (i = size; i < newSize; ++i) {
+ 	entries[i].offset = 0xffffffff;
+@@ -410,6 +420,10 @@
+ 	    if (!strncmp(p, "obj", 3)) {
+ 	      if (num >= size) {
+ 		newSize = (num + 1 + 255) & ~255;
++	        if (newSize*sizeof(XRefEntry)/sizeof(XRefEntry) != newSize) {
++	          error(-1, "Invalid 'obj' parameters.");
++	          return gFalse;
++	        }
+ 		entries = (XRefEntry *)
+ 		            grealloc(entries, newSize * sizeof(XRefEntry));
+ 		for (i = size; i < newSize; ++i) {
+@@ -431,6 +445,11 @@
+     } else if (!strncmp(p, "endstream", 9)) {
+       if (streamEndsLen == streamEndsSize) {
+ 	streamEndsSize += 64;
++        if (streamEndsSize*sizeof(int)/sizeof(int) != streamEndsSize) {
++          error(-1, "Invalid 'endstream' parameter.");
++          return gFalse;
++        }
++
+ 	streamEnds = (Guint *)grealloc(streamEnds,
+ 				       streamEndsSize * sizeof(int));
+       }