src/patches/tcpdump-3.8.2-isis-dos.patch

   1 borrowed from fedora
   2 fix for CAN-2005-1278
   3
   4 --- tcpdump-3.8.2/print-isoclns.c.old   2005-04-28 12:58:28.000000000 +0200
   5 +++ tcpdump-3.8.2/print-isoclns.c       2005-04-28 13:07:17.000000000 +0200
   6 @@ -1748,12 +1748,14 @@
   7             lan_alen = *tptr++; /* LAN adress length */
   8              tmp --;
   9              printf("\n\t      LAN address length %u bytes ",lan_alen);
  10 -           while (tmp >= lan_alen) {
  11 -                if (!TTEST2(*tptr, lan_alen))
  12 -                    goto trunctlv;
  13 -                printf("\n\t\tIS Neighbor: %s",isis_print_id(tptr,lan_alen));
  14 -                tmp -= lan_alen;
  15 -                tptr +=lan_alen;
  16 +            if(lan_alen >= SYSTEM_ID_LEN) {
  17 +               while (tmp >= lan_alen) {
  18 +                    if (!TTEST2(*tptr, lan_alen))
  19 +                        goto trunctlv;
  20 +                    printf("\n\t\tIS Neighbor: %s",isis_print_id(tptr,lan_alen));
  21 +                    tmp -= lan_alen;
  22 +                    tptr +=lan_alen;
  23 +                }
  24              }
  25              break;
  26