djvulibre: patching multiple CVEs

Addresses:

https://github.com/NixOS/nixpkgs/issues/73624
https://github.com/NixOS/nixpkgs/issues/70086

pkgs/applications/misc/djvulibre/CVE-2019-15142.patch

@@ -0,0 +1,72 @@
+commit 970fb11a296b5bbdc5e8425851253d2c5913c45e
+Author: Leon Bottou <leon@bottou.org>
+Date:   Tue Mar 26 20:36:31 2019 -0400
+
+    Fix bug#296
+
+diff --git a/libdjvu/DjVmDir.cpp b/libdjvu/DjVmDir.cpp
+index a6a39e0..0a0fac6 100644
+--- a/libdjvu/DjVmDir.cpp
++++ b/libdjvu/DjVmDir.cpp
+@@ -299,42 +299,44 @@ DjVmDir::decode(const GP<ByteStream> &gstr)
+          memcpy((char*) strings+strings_size, buffer, length);
+       }
+       DEBUG_MSG("size of decompressed names block=" << strings.size() << "\n");
+-      if (strings[strings.size()-1] != 0)
+-        {
+-         int strings_size=strings.size();
+-         strings.resize(strings_size+1);
+-         strings[strings_size] = 0;
+-        }
++      int strings_size=strings.size();
++      strings.resize(strings_size+3);
++      memset((char*) strings+strings_size, 0, 4);
+       
+-         // Copy names into the files
++      // Copy names into the files
+       const char * ptr=strings;
+       for(pos=files_list;pos;++pos)
+       {
+          GP<File> file=files_list[pos];
+-
++         if (ptr >= (const char*)strings + strings_size)
++           G_THROW( "DjVu document is corrupted (DjVmDir)" );
+          file->id=ptr;
+          ptr+=file->id.length()+1;
+          if (file->flags & File::HAS_NAME)
+          {
+-            file->name=ptr;
+-            ptr+=file->name.length()+1;
+-         } else
++           file->name=ptr;
++           ptr+=file->name.length()+1;
++         }
++         else
+          {
+             file->name=file->id;
+          }
+          if (file->flags & File::HAS_TITLE)
+          {
+-            file->title=ptr;
+-       ptr+=file->title.length()+1;
+-         } else
+-       file->title=file->id;
+-   /* msr debug:  multipage file, file->title is null.  
++           file->title=ptr;
++           ptr+=file->title.length()+1;
++         }
++         else
++         {
++           file->title=file->id;
++         }
++         /* msr debug:  multipage file, file->title is null.  
+          DEBUG_MSG(file->name << ", " << file->id << ", " << file->title << ", " <<
+                    file->offset << ", " << file->size << ", " <<
+                    file->is_page() << "\n"); */
+       }
+ 
+-         // Check that there is only one file with SHARED_ANNO flag on
++      // Check that there is only one file with SHARED_ANNO flag on
+       int shared_anno_cnt=0;
+       for(pos=files_list;pos;++pos)
+       {

pkgs/applications/misc/djvulibre/CVE-2019-15143.patch

@@ -0,0 +1,39 @@
+commit b1f4e1b2187d9e5010cd01ceccf20b4a11ce723f
+Author: Leon Bottou <leon@bottou.org>
+Date:   Tue Mar 26 20:45:46 2019 -0400
+
+    fix for bug #297
+
+diff --git a/libdjvu/DjVmDir.cpp b/libdjvu/DjVmDir.cpp
+index 0a0fac6..5a49015 100644
+--- a/libdjvu/DjVmDir.cpp
++++ b/libdjvu/DjVmDir.cpp
+@@ -309,7 +309,7 @@ DjVmDir::decode(const GP<ByteStream> &gstr)
+       {
+          GP<File> file=files_list[pos];
+          if (ptr >= (const char*)strings + strings_size)
+-           G_THROW( "DjVu document is corrupted (DjVmDir)" );
++           G_THROW( ByteStream::EndOfFile );
+          file->id=ptr;
+          ptr+=file->id.length()+1;
+          if (file->flags & File::HAS_NAME)
+diff --git a/libdjvu/GBitmap.cpp b/libdjvu/GBitmap.cpp
+index 0e487f0..c2fdbe4 100644
+--- a/libdjvu/GBitmap.cpp
++++ b/libdjvu/GBitmap.cpp
+@@ -890,11 +890,13 @@ GBitmap::read_rle_raw(ByteStream &bs)
+   int c = 0;
+   while (n >= 0)
+     {
+-      bs.read(&h, 1);
++      if (bs.read(&h, 1) <= 0)
++        G_THROW( ByteStream::EndOfFile );
+       int x = h;
+       if (x >= (int)RUNOVERFLOWVALUE)
+         {
+-          bs.read(&h, 1);
++          if (bs.read(&h, 1) <= 0)
++            G_THROW( ByteStream::EndOfFile );
+           x = h + ((x - (int)RUNOVERFLOWVALUE) << 8);
+         }
+       if (c+x > ncolumns)

pkgs/applications/misc/djvulibre/CVE-2019-15144.patch

@@ -0,0 +1,111 @@
+commit e15d51510048927f172f1bf1f27ede65907d940d
+Author: Leon Bottou <leon@bottou.org>
+Date:   Mon Apr 8 22:25:55 2019 -0400
+
+    bug 299 fixed
+
+diff --git a/libdjvu/GContainer.h b/libdjvu/GContainer.h
+index 96b067c..0140211 100644
+--- a/libdjvu/GContainer.h
++++ b/libdjvu/GContainer.h
+@@ -550,52 +550,61 @@ public:
+ template <class TYPE> void
+ GArrayTemplate<TYPE>::sort(int lo, int hi)
+ {
+-  if (hi <= lo)
+-    return;
+-  if (hi > hibound || lo<lobound)
+-    G_THROW( ERR_MSG("GContainer.illegal_subscript") );
+   TYPE *data = (TYPE*)(*this);
+-  // Test for insertion sort
+-  if (hi <= lo + 50)
++  while(true)
+     {
+-      for (int i=lo+1; i<=hi; i++)
++      if (hi <= lo)
++        return;
++      if (hi > hibound || lo<lobound)
++        G_THROW( ERR_MSG("GContainer.illegal_subscript") );
++      // Test for insertion sort
++      if (hi <= lo + 50)
+         {
+-          int j = i;
+-          TYPE tmp = data[i];
+-          while ((--j>=lo) && !(data[j]<=tmp))
+-            data[j+1] = data[j];
+-          data[j+1] = tmp;
++          for (int i=lo+1; i<=hi; i++)
++            {
++              int j = i;
++              TYPE tmp = data[i];
++              while ((--j>=lo) && !(data[j]<=tmp))
++                data[j+1] = data[j];
++              data[j+1] = tmp;
++            }
++          return;
+         }
+-      return;
+-    }
+-  // -- determine suitable quick-sort pivot
+-  TYPE tmp = data[lo];
+-  TYPE pivot = data[(lo+hi)/2];
+-  if (pivot <= tmp)
+-    { tmp = pivot; pivot=data[lo]; }
+-  if (data[hi] <= tmp)
+-    { pivot = tmp; }
+-  else if (data[hi] <= pivot)
+-    { pivot = data[hi]; }
+-  // -- partition set
+-  int h = hi;
+-  int l = lo;
+-  while (l < h)
+-    {
+-      while (! (pivot <= data[l])) l++;
+-      while (! (data[h] <= pivot)) h--;
+-      if (l < h)
++      // -- determine median-of-three pivot
++      TYPE tmp = data[lo];
++      TYPE pivot = data[(lo+hi)/2];
++      if (pivot <= tmp)
++        { tmp = pivot; pivot=data[lo]; }
++      if (data[hi] <= tmp)
++        { pivot = tmp; }
++      else if (data[hi] <= pivot)
++        { pivot = data[hi]; }
++      // -- partition set
++      int h = hi;
++      int l = lo;
++      while (l < h)
+         {
+-          tmp = data[l];
+-          data[l] = data[h];
+-          data[h] = tmp;
+-          l = l+1;
+-          h = h-1;
++          while (! (pivot <= data[l])) l++;
++          while (! (data[h] <= pivot)) h--;
++          if (l < h)
++            {
++              tmp = data[l];
++              data[l] = data[h];
++              data[h] = tmp;
++              l = l+1;
++              h = h-1;
++            }
++        }
++      // -- recurse, small partition first
++      //    tail-recursion elimination
++      if (h - lo <= hi - l) {
++        sort(lo,h);
++        lo = l; // sort(l,hi)
++      } else {
++        sort(l,hi);
++        hi = h; // sort(lo,h)
+       }
+     }
+-  // -- recursively restart
+-  sort(lo, h);
+-  sort(l, hi);
+ }
+ 
+ template<class TYPE> inline TYPE&

pkgs/applications/misc/djvulibre/CVE-2019-15145.patch

@@ -0,0 +1,28 @@
+commit 9658b01431cd7ff6344d7787f855179e73fe81a7
+Author: Leon Bottou <leon@bottou.org>
+Date:   Mon Apr 8 22:55:38 2019 -0400
+
+    fix bug #298
+
+diff --git a/libdjvu/GBitmap.h b/libdjvu/GBitmap.h
+index e8e0c9b..ca89a19 100644
+--- a/libdjvu/GBitmap.h
++++ b/libdjvu/GBitmap.h
+@@ -566,7 +566,7 @@ GBitmap::operator[](int row)
+ {
+   if (!bytes) 
+     uncompress();
+-  if (row<0 || row>=nrows) {
++  if (row<0 || row>=nrows || !bytes) {
+ #ifndef NDEBUG
+     if (zerosize < bytes_per_row + border)
+       G_THROW( ERR_MSG("GBitmap.zero_small") );
+@@ -581,7 +581,7 @@ GBitmap::operator[](int row) const
+ {
+   if (!bytes) 
+     ((GBitmap*)this)->uncompress();
+-  if (row<0 || row>=nrows) {
++  if (row<0 || row>=nrows || !bytes) {
+ #ifndef NDEBUG
+     if (zerosize < bytes_per_row + border)
+       G_THROW( ERR_MSG("GBitmap.zero_small") );

pkgs/applications/misc/djvulibre/CVE-2019-18804.patch

@@ -0,0 +1,32 @@
+commit c8bec6549c10ffaa2f2fbad8bbc629efdf0dd125
+Author: Leon Bottou <leon@bottou.org>
+Date:   Thu Oct 17 22:20:31 2019 -0400
+
+    Fixed bug 309
+
+diff --git a/libdjvu/IW44EncodeCodec.cpp b/libdjvu/IW44EncodeCodec.cpp
+index 00752a0..f81eaeb 100644
+--- a/libdjvu/IW44EncodeCodec.cpp
++++ b/libdjvu/IW44EncodeCodec.cpp
+@@ -405,7 +405,7 @@ filter_fv(short *p, int w, int h, int rowsize, int scale)
+   int y = 0;
+   int s = scale*rowsize;
+   int s3 = s+s+s;
+-  h = ((h-1)/scale)+1;
++  h = (h>0) ? ((h-1)/scale)+1 : 0;
+   y += 1;
+   p += s;
+   while (y-3 < h)
+diff --git a/tools/ddjvu.cpp b/tools/ddjvu.cpp
+index 6d0df3b..7109952 100644
+--- a/tools/ddjvu.cpp
++++ b/tools/ddjvu.cpp
+@@ -279,7 +279,7 @@ render(ddjvu_page_t *page, int pageno)
+       prect.h = (ih * 100) / dpi;
+     }
+   /* Process aspect ratio */
+-  if (flag_aspect <= 0)
++  if (flag_aspect <= 0 && iw>0 && ih>0)
+     {
+       double dw = (double)iw / prect.w;
+       double dh = (double)ih / prect.h;

pkgs/applications/misc/djvulibre/default.nix

@@ -24,6 +24,17 @@ stdenv.mkDerivation rec {
     libiconv
   ];
 
+  patches = [
+    ./CVE-2019-18804.patch
+    # This one is needed to make the following
+    # two CVE patches apply cleanly
+    ./fix_hongfuzz_crash.patch
+    ./CVE-2019-15142.patch
+    ./CVE-2019-15143.patch
+    ./CVE-2019-15144.patch
+    ./CVE-2019-15145.patch
+  ];
+
   meta = with stdenv.lib; {
     description = "The big set of CLI tools to make/modify/optimize/show/export DJVU files";
     homepage = "http://djvu.sourceforge.net";

pkgs/applications/misc/djvulibre/fix_hongfuzz_crash.patch

@@ -0,0 +1,51 @@
+commit 89d71b01d606e57ecec2c2930c145bb20ba5bbe3
+Author: Leon Bottou <leon@bottou.org>
+Date:   Fri Jul 13 08:46:22 2018 -0400
+
+    fix hongfuzz crash.
+
+diff --git a/libdjvu/DjVmDir.cpp b/libdjvu/DjVmDir.cpp
+index d322323..a6a39e0 100644
+--- a/libdjvu/DjVmDir.cpp
++++ b/libdjvu/DjVmDir.cpp
+@@ -299,7 +299,13 @@ DjVmDir::decode(const GP<ByteStream> &gstr)
+          memcpy((char*) strings+strings_size, buffer, length);
+       }
+       DEBUG_MSG("size of decompressed names block=" << strings.size() << "\n");
+-   
++      if (strings[strings.size()-1] != 0)
++        {
++         int strings_size=strings.size();
++         strings.resize(strings_size+1);
++         strings[strings_size] = 0;
++        }
++      
+          // Copy names into the files
+       const char * ptr=strings;
+       for(pos=files_list;pos;++pos)
+diff --git a/libdjvu/miniexp.cpp b/libdjvu/miniexp.cpp
+index 6a5cd90..828addc 100644
+--- a/libdjvu/miniexp.cpp
++++ b/libdjvu/miniexp.cpp
+@@ -1065,7 +1065,7 @@ print_c_string(const char *s, char *d, int flags, size_t len)
+       c = (unsigned char)(*s++);
+       if (char_quoted(c, flags))
+         {
+-          char buffer[10];
++          char buffer[16]; /* 10+1 */
+           static const char *tr1 = "\"\\tnrbf";
+           static const char *tr2 = "\"\\\t\n\r\b\f";
+           buffer[0] = buffer[1] = 0;
+diff --git a/tools/csepdjvu.cpp b/tools/csepdjvu.cpp
+index 7ed13ad..fab9472 100644
+--- a/tools/csepdjvu.cpp
++++ b/tools/csepdjvu.cpp
+@@ -1834,7 +1834,7 @@ main(int argc, const char **argv)
+                 ByteStream::create(GURL::Filename::UTF8(arg),"rb");
+               BufferByteStream ibs(*fbs);
+               do {
+-                char pagename[16];
++                char pagename[20];
+                 sprintf(pagename, "p%04d.djvu", ++pageno);
+                 if (opts.verbose > 1)
+                   DjVuPrintErrorUTF8("%s","--------------------\n");