antiword/trunk/10_fix_buffer_overflow_wordole_c.patch

   1 Description: Add check for buffer overflow with malformed input files
   2 Author: <eriks@debian.org>
   3 Bug-Debian: http://bugs.debian.org/407015
   4 Last-Update: 2009-06-03
   5
   6 --- antiword-0.37~/wordole.c    2005-08-26 21:49:57.000000000 +0200
   7 +++ antiword-0.37/wordole.c     2009-06-03 22:31:15.948014682 +0200
   8 @@ -259,6 +259,10 @@
   9                 }
  10                 tNameSize = (size_t)usGetWord(0x40, aucBytes);
  11                 tNameSize = (tNameSize + 1) / 2;
  12 +               if ( tNameSize > sizeof(atPPSlist[iIndex].szName)) {
  13 +                       werr(0, "Name Size of PPS %d is too large", iIndex);
  14 +                       tNameSize = sizeof(atPPSlist[iIndex].szName);
  15 +               }
  16                 vName2String(atPPSlist[iIndex].szName, aucBytes, tNameSize);
  17                 atPPSlist[iIndex].ucType = ucGetByte(0x42, aucBytes);
  18                 if (atPPSlist[iIndex].ucType == 5) {