cirros-testvm/src-cirros/buildroot-2015.05/package/jasper/0005-fix-CVE-2014-8157.patch

   1 Fix CVE-2014-8157 - dec->numtiles off-by-one check in jpc_dec_process_sot()
   2 From https://bugzilla.redhat.com/show_bug.cgi?id=1179282
   3
   4 Signed-off-by: Gustavo Zacarias <gustavo@zacarias.com.ar>
   5
   6 diff -up jasper-1.900.1/src/libjasper/jpc/jpc_dec.c.CVE-2014-8157 jasper-1.900.1/src/libjasper/jpc/jpc_dec.c
   7 --- jasper-1.900.1/src/libjasper/jpc/jpc_dec.c.CVE-2014-8157    2015-01-19 16:59:36.000000000 +0100
   8 +++ jasper-1.900.1/src/libjasper/jpc/jpc_dec.c  2015-01-19 17:07:41.609863268 +0100
   9 @@ -489,7 +489,7 @@ static int jpc_dec_process_sot(jpc_dec_t
  10                 dec->curtileendoff = 0;
  11         }
  12
  13 -       if (JAS_CAST(int, sot->tileno) > dec->numtiles) {
  14 +       if (JAS_CAST(int, sot->tileno) >= dec->numtiles) {
  15                 jas_eprintf("invalid tile number in SOT marker segment\n");
  16                 return -1;
  17         }