ber: avoid deep recursion for constructed strings

Bound the recursion depth to avoid a stack overflow while parsing a
deeply nested constructed string.

Call chain before this patch:

 - dissect_ber_octet_string
   - dissect_ber_constrained_octet_string
     - reassemble_octet_string (called for constructed types)
       - dissect_ber_octet_string *recursion*

After this patch, the reassemble_octet_string will throw if the maximum
recursion depth is reached.

Bug: 11822
Change-Id: I6753e3c9f5dcbfab0e4c174418b2c7eb784d64d2
Reviewed-on: https://code.wireshark.org/review/14108
Reviewed-by: Michael Mann <mmann78@netscape.net>
Petri-Dish: Michael Mann <mmann78@netscape.net>
Tested-by: Petri Dish Buildbot <buildbot-no-reply@wireshark.org>
Reviewed-by: Anders Broman <a.broman58@gmail.com>

0 files changed, 0 insertions, 0 deletions