#

# Fix CVE-2014-8145[0]:

#    two heap-based buffer overflows

# Upstream changesets 7d3f38 and f39c57.

# http://sourceforge.net/p/sox/code/ci/7d3f38007a1eeaf5ab7669aba0d2a7e4d3def57e/

# http://sourceforge.net/p/sox/code/ci/f39c574bc423fd5b12bd6510264512f5d5366183/

#

--- a/src/sphere.c

+++ b/src/sphere.c

@@ -47,6 +47,11 @@

   /* Determine header size, and allocate a buffer large enough to hold it. */

   sscanf(fldsval, "%lu", &header_size_ul);

+  if (header_size_ul < 16) {

+    lsx_fail_errno(ft, SOX_EHDR, "Error reading Sphere header");

+    return (SOX_EOF);

+  }

+

   buf = lsx_malloc(header_size = header_size_ul);

   /* Skip what we have read so far */

--- a/src/wav.c

+++ b/src/wav.c

@@ -166,7 +166,7 @@

         /* work with partial blocks.  Specs say it should be null */

         /* padded but I guess this is better than trailing quiet. */

         samplesThisBlock = lsx_ms_adpcm_samples_in((size_t)0, (size_t)ft->signal.channels, bytesRead, (size_t)0);

-        if (samplesThisBlock == 0)

+        if (samplesThisBlock == 0 || samplesThisBlock > wav->samplesPerBlock)

         {

             lsx_warn("Premature EOF on .wav input file");

             return 0;